GB 19157-2003 General technical requirements for remote-controlled fire monitor systems
Some standard content:
ICS 13. 220. 01
National Standard of the People's Republic of China
GB19157—2003
General Specification for Remote-Controlled Fire Monitor Systems
General Specification for Remote-Controlled Fire Monitor Systems2003-05-23 Issued
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
Implementation on 2003-09-01
Chapter 5 and 6.2.4~6.2.5, 6.3~6.12 of Chapter 6 of this standard are mandatory, and the rest are recommended. GB19157-—2003
Based on the current production and use of remote-controlled fire monitor systems in China and the development plan of remote-controlled fire monitor systems in my country in the long term, this standard has been compiled by collecting and referring to the relevant provisions of similar product standards at home and abroad. This standard is proposed by the Ministry of Public Security of the People's Republic of China. This standard is under the jurisdiction of the Fourth Technical Subcommittee of the National Technical Committee for Fire Protection Standardization. The drafting unit of this standard is Shanghai Fire Science Research Institute of the Ministry of Public Security. The main drafters of this standard are Min Yonglin, Qiu Hongfang, Zhou Fenglan, Gong Hui, and Gu Yuping. This standard is entrusted to Shanghai Fire Science Research Institute of the Ministry of Public Security for interpretation. Scope
General technical conditions for remote-controlled fire monitor systems
This standard specifies the system classification, performance requirements, test methods, inspection rules, etc. of remote-controlled fire monitor systems. This standard applies to remote-controlled fire foam (water) monitor systems (referred to as systems). 2 Normative references
GB 19157—-2003
The clauses in the following documents become clauses of this standard through reference in this standard. For any dated referenced document, all subsequent amendments (excluding errata) or revisions are not applicable to this standard. However, the parties to an agreement based on this standard are encouraged to study whether the latest versions of these documents can be used. For any undated referenced document, the latest version shall apply to this standard. GB/T 1173
Casting aluminum alloys
GB/T 1176
Technical conditions for casting copper alloys (GB/T1176-1987, neqISO1338:1977)GB/T 1348
Spheroidal graphite castings
GB/T3766
60079-0:1998)
General technical conditions for hydraulic systems (eqvISO4413-1998)Electrical apparatus for explosive gas atmospheres Part 1: General requirements (GB/T3836.1-2000, eqvIECGB3836.2Electrical apparatus for explosive gas atmospheres Part 2: Flameproof type\d" (GB/T3836.2-2000, eqvIE C60079-1:1990)
GB6245—1998 Fire pump performance requirements and test methods GB/T7932—1987 General technical conditions for pneumatic systems (negISO4414-82) GB7956—1998 Fire performance requirements and test methods for fire trucks GB/T9439 Grey cast iron parts
General rules for low-voltage switchgear and controlgear (GB/T14048.1—2000, eqvIEC60947-1:1999) GB/T 14048.1
3 Terms and definitions
The following terms and definitions apply to this standard. 3.1
Remote-controlled fire monitor system
Remote-controlled fire monitor system is composed of (hydraulic, pneumatic, electric) fire monitors, fire monitor towers, power sources, control devices, fire extinguishing agent storage tanks, mixing devices, fire pump groups, etc. It is a fixed fire extinguishing device that can remotely control the fire monitor to spray fire extinguishing agent to the protected object to extinguish the fire. 3.2
Remote-controlled fire monitor
Fire monitor with wired or wireless remote control and operation functions. 3.3
Liquid-controlled fire monitorLiquid-controlled fire monitor is a remote-controlled fire monitor mainly driven by hydraulic pressure. 3.4
Air-controlled fire monitorAir-controlled fire monitor is a remote-controlled fire monitor mainly driven by air pressure. 1
GB 19157—2003
Electric-controlled fire monitor: Electric-controlled fire monitor is a remote-controlled fire monitor that is mainly driven by electricity.
Power source
A device that provides driving power to the remote-controlled fire monitor. 3.7
Wireless remote controller
Wireless remoter
A device that is used in conjunction with an electric controller, power source, valve centralized control device, etc. to wirelessly control the operation of a fire monitor over a long distance. 3.8
Fire monitor tower
A device used to install and use remote-controlled fire monitors at high positions. 4 Classification and marking
4.1 Classification
Remote-controlled fire monitor systems are divided into hydraulic-controlled fire monitor systems, gas-controlled fire monitor systems, and electric-controlled fire monitor systems according to the control method. 4.2 Marking
4.2.1 Remote-controlled fire monitor
The naming of remote-controlled fire monitors consists of four parts. 00 00
Class and group code:
Main parameters
Marine code C (land code omitted)
Characteristic code
Class and group code
PP-foam monitor;
PS—water monitor;
,PL——foam and water dual-purpose monitor.
Characteristic code:
KY—hydraulic control;
KQ——gas control;
KD electric control.
For the model of marine monitor, add the English letter C after the characteristic code. Main parameters: rated flow rate of remote control fire monitor (L/s), and rated flow rate of foam mixed liquid (L/s) for foam and water dual-purpose monitor. Example 1: The remote-controlled fire-fighting foam monitor with a spraying medium of foam, a hydraulic drive, and a rated flow rate of 32L/s is marked as PPKY32. Example 2: The remote-controlled fire-fighting foam monitor with a spraying medium of foam, a pneumatic drive, and a rated flow rate of 48L/s is marked as PPKQ48. Example 3: The remote-controlled fire-fighting water monitor with a spraying medium of water, an electric drive, and a rated flow rate of 60L/s is marked as PSKD60. Example 4: The remote-controlled fire-fighting foam dual-purpose monitor with a spraying medium of foam or water, a hydraulic drive, and a rated flow rate of 64L/s of foam mixture and water is marked as PLKY64.
Example 5: The marine fire-fighting foam monitor with a spraying medium of foam, a hydraulic drive, and a rated flow rate of 64L/s is marked as PPKYC64.2
4.2.2 Power source
The naming of the power source consists of three parts.
Class and group code:
Hydraulic source for remote-controlled gun;
Air pressure source for remote-controlled gun.
Feature code:
G---Explosion-proof type (non-explosion-proof type omitted).
Main parameter: Number of fire monitors that can be controlled (units). Main parameter
Feature code
-Class and group code
Example 1: Control 2 fire monitors, hydraulic drive, explosion-proof power source model marked as YPG2. Example 2: Control 2 fire monitors, air pressure drive, non-explosion-proof power source model marked as QP2. 4.2.3 Electric controller
The naming of the electric controller consists of three parts.
Class and group code:
Main parameter
Feature code
Class and group code
DP--Electronic controller for remote-controlled fire monitor.
Feature code:
G Flameproof type (non-flameproof type omitted).
Main parameters:
Number of fire monitors that can be controlled (sets).
Example 1: To control 2 fire monitors, the explosion-proof electric controller model is marked as DPG24.2.4 Wireless remote controller
The naming of the wireless remote controller consists of three parts. 口口
Class and group code:
Main parameters
Feature code
Class and group code
Remote control fire monitor wireless remote controller.
Feature code:
-Flameproof type (non-flameproof type omitted).
Main parameters: Number of fire monitor turrets (sets)-Number of fire monitors on each turret (sets). Example 1: There are 2 fire turrets, each with 2 fire monitors installed, and the flameproof wireless remote control model is marked as WPG2-2. 4.2.5 Fire turret
The naming of fire turret consists of three parts.
Main parameters
Class, group code
GB 19157--2003
GB 19157-2003
Class, group code:
TP—fire turret.
Main parameters: height of upper fire monitor operation platform (m). Example 1: The model of fire turret with upper fire monitor platform height of 16m is marked as TP16.4.2.6 Valve centralized control device
The naming of valve centralized control device consists of three parts. D
Class, group code:
Main parameters
Feature code
Class, group code
FD-Electric valve centralized control device;
Pneumatic valve centralized control device.
Characteristic code:
G—flameproof type (non-flameproof type omitted).
Main parameter: number of controlled valves (sets). Example 1: The number of controlled electric valves is 4, and the model of the flameproof valve centralized control device is marked as FDG4. 4.2.7 Tank pressure type foam proportioning device The naming of the tank pressure type foam proportioning device consists of three parts. LL
Class and group code:
Main parameter
Characteristic code
Class and group code
-Foam proportioning device.
Characteristic code:
ZY———Tank pressure type.
Main parameters: mixing ratio (%)/maximum foam mixture flow rate (（L/s)/foam liquid tank capacity [divided by 100, (L)]. Example 1: The mixing ratio is 6%, the maximum foam mixture flow rate is 160L/s, the foam liquid tank capacity is 8000L, and the model of the pressure-type foam proportioning device is marked as PHZY6/160/80.
4.2.8 Fire pump control device
The naming of the fire pump control device consists of three parts.
Class, group code:
Main parameters
Characteristic code
Class, group code
Fire pump control Device.
Characteristic code:
D——Electric motor pump;
-Diesel engine pump;
Main parameter: Number of fire pumps (units).
Example 1: The model number of the fire pump starting device that controls two electric fire pumps is marked as KBD2. 4
Fire pump group
The model number marking of the fire pump group shall be compiled in accordance with the provisions of GB6245. Performance parameters
The performance parameters of the remote-controlled fire foam monitor shall comply with the provisions of Table 1. The performance parameters of the remote-controlled fire water monitor shall comply with the provisions of Table 2. The performance parameters of the remote-controlled fire foam dual-purpose monitor shall comply with the provisions of Table 3. The power source parameters shall comply with the provisions of Table 4 The parameters of the electric controller shall comply with the provisions of Table 5. The parameters of the wireless remote control shall comply with the provisions of Table 6. The parameters of the fire turret shall comply with the provisions of Table 7. The parameters of the valve centralized control device shall comply with the provisions of Table 8. The performance parameters of the tank pressure foam proportioning device shall comply with the provisions of Table 9. The parameters of the fire pump control device shall comply with the provisions of Table 10. The performance parameters of the fire pump group shall comply with the relevant provisions of Table 3 in GB6245-1998. Table 1
Performance parameters of remote-controlled fire foam monitors
Foam mixing
Liquid flow rate/(L/s)
Flow rate/(L/s）||t t||Rated working pressure/MPa
Range/m
≥100
≥105
Tolerance/%
Foaming multiple
(at 20℃）
Table 2 Performance parameters of remote-controlled fire monitor
Rated working pressure/MPa
Range/m
≥>55
≥110
GB19157—2003
25% liquid separation time/min
(at 20℃)
Foam mixing
Flow rate tolerance/%
GB 19157--2003
Flow rate/(L/s)
Rated working pressure/MPa
Number of fire monitors controlled
Explosion-proof capability
Number of fire monitors controlled
Explosion-proof capability
WPG1-1
WPG1-2
WPG2-1
WPG2-2
WPG3-1
WPG3-2
WPG4-1
WPG4-2
Remote control fire foam
Range/m
≥100
Performance parameters of dual-purpose water monitor
Charge difference/%| |tt||≥105
≥110
Table 4 Power source parameters
Non-flameproof
Electronic controller parameters
Foaming multiple
(at 20℃)
Non-flameproof or flameproof
Table 6 Wireless remote control parameters
Number of controlled turrets/seat
25% liquid separation time/min
(at 20℃)
Foam mixing
Unit is unit
Number of controlled fire monitors/seat
Unit is unit
Flameproof capacity
Non-flameproof or flameproof
Upper fire monitor platform height
Number of controlled valves||tt ||Explosionproof capability
3/80/15
6/80/15
3/160/15
6/160/15
3/80/20
6/80/20
3/160/20
6/160/20
3 /80/30
6/80/30
3/160/30
6/160/30
3/80/50
6/80/50
3/160/50
6/160/50
3/80/80
6 /80/80
3/160/80
3/160/80
3/80/100
6/80/100
3/160/100
6/160/100
Number of fire pumps controlled
Parameters of fire turret
Parameters of valve centralized control device
Non-flameproof or flameproof
Table 9 Performance parameters of tank pressure foam proportion mixing device Foam liquid tank capacity/L
Mixed liquid flow range/(L/s）
32～160
Parameters of fire pump control device
Mixing ratio/%
GB 19157—2003
Unit: meter
Unit: set
Working pressure range/MPa
0.5～1.0
Unit: set
GB19157—2003
6 Performance requirements
6.1 Appearance
6.1.1 The surface of the casting should be smooth and free from defects such as cracks, pores, shrinkage holes, sand holes, etc. that affect the strength. 6.1.2 The weld should be flat and uniform, and there should be no defects such as incomplete penetration, burn-through, scars, and other defects that damage the strength and appearance quality. 6.1.3 It should be made of corrosion-resistant materials, or the materials should be treated with anti-corrosion so that the surface is not corroded by foam, water, atmosphere, etc.
All parts of marine equipment should be resistant to seawater corrosion. 6.1.4 The outer surface of the equipment should be coated with bright red or silver-grey alcohol enamel, and the coating surface should be smooth and even, without bubbles, obvious flow marks, cracks and other defects that affect the appearance quality.
6.2 General performance of parts and components
6.2.1 The mechanical properties and chemical composition of casting materials shall comply with the relevant provisions of GB/T1173, GB/T1176, GB/T1348 and GB/T9439.
6.2.2 The surface of the processed parts and components shall be treated with anti-corrosion treatment, including anti-rust paint or anti-rust oil. 6.2.3 Before assembling the equipment, all parts shall be cleaned, the assembly shall be firm and reliable, and grease shall be applied to the rotating parts. 6.2.4 After the pressure-resistant parts (except pressure vessels) are subjected to the water pressure strength test in accordance with the provisions of 7.2, the parts shall not have defects such as leakage, cracks and permanent deformation.
6.2.5 The flameproof performance of flameproof electrical equipment shall comply with the relevant provisions of GB3836.1 and GB3836.2, or select electrical equipment with an "explosion-proof certificate".
6.2.6 The withstand voltage and insulation performance of electrical components shall comply with the provisions of GB/T14048.1. 6.3 Performance of fire monitors
6.3.1 The elevation mechanism, slewing mechanism and control handles of the fire monitor should be flexible to operate, and the transmission mechanism should be safe and reliable. 6.3.2 After the assembled product (excluding the barrel) is subjected to the water pressure sealing performance test in accordance with the provisions of 7.3, there should be no leakage at each connection.
6.3.3 Fire monitors made of non-corrosion-resistant materials should be treated with anti-corrosion treatment and subjected to corrosion tests in accordance with 7.8. After the test, there should be no phenomenon that affects the operation and strength of the fire monitor.
6.4 Power source performance
6.4.1 The power source should have good rainproof and sealing performance, and the continuous working time should not be less than 3h. 6.4.2 The performance of the hydraulic source should comply with the relevant provisions of GB/T3766-1987. 6.4.3 The performance of the air pressure source should comply with the provisions of 3.2, 3.3, 3.4 and 3.8.3 in GB/T7932-1987. 6.5 Performance of electric controller
The withstand voltage and insulation performance of the electric controller shall comply with the provisions of GB/T14048.1. 6.6 Performance of wireless remote controller
6.6.1 The transmitter shall be waterproof, dustproof and shockproof. 6.6.2 The receiver shall have the function of automatic frequency correction. 6.7 Performance of fire turret
6.7.1 The surface of the fire turret shall be treated for rust prevention. 6.7.2 The fire turret shall have the function of water curtain protection. 6.7.3 The fire turret shall be equipped with pipelines for water supply, foam liquid supply, hydraulic oil supply, gas supply, cable threading, etc. that are matched with the fire monitor. 6.7.4 After the pressure pipeline is subjected to the water pressure strength test in accordance with the provisions of 7.2, there shall be no defects such as leakage, cracks and permanent deformation. 6.7.5 After the pressure pipeline is subjected to the water pressure sealing test in accordance with the provisions of 7.3, there shall be no leakage at each connection. 6.8 Performance of valve centralized control device
The withstand voltage and insulation performance of valve centralized control device shall comply with the provisions of GB/T14048.1. 8
6.9 Performance of tank pressure foam proportioning device GB 19157—2003
6.9.1 After the hydraulic pressure strength test of tank pressure foam proportioning device is carried out in accordance with 7.2, there shall be no defects such as leakage, cracks and permanent deformation.
6.9.2 After the hydraulic pressure sealing test of tank pressure foam proportioning device is carried out in accordance with 7.3, there shall be no leakage at all connecting parts. 6.9.3 Foam storage tank shall be equipped with level mark, drainage, filling, pressure gauge, valve, etc. 6.10 Performance of fire pump control device
The withstand voltage and insulation performance of fire pump control device shall comply with the provisions of GB/T14048.1. 6.11 Performance of fire pump group
The performance of fire pump group shall comply with the provisions of GB6245. 6.12 System performance
6.12.1 The system should be able to start reliably and smoothly, and the response time from the start of the electric controller or wireless remote control to the action of the fire monitor should be less than 5s. 6.12.2 The wired control distance should be no less than 200m, and the wireless remote control distance should be no less than 150m. 6.12.3 The continuous working time of the system should not be less than 3h. 6.12.4 The system performance should meet the requirements of Tables 1 to 10 and 5.11. 6.12.5 The explosion-proof performance of the explosion-proof fire monitor system composed of explosion-proof products should meet the explosion-proof requirements of different explosion-proof places. 7 Test method
7.1 Appearance inspection
Visually inspect the appearance quality of the equipment, which should comply with the requirements of 6.1. 7.2 Water pressure strength test
Before the water pressure strength test, the pressure part shall be closed, filled with water and air shall be removed, then slowly pressurized to 1.5 times the maximum working pressure and maintained for 3 minutes. The result shall comply with the provisions of 6.2.4, 6.7.4 and 6.9.1. The test pressure of the tank pressure foam proportioning device shall be 1.25 times its maximum working pressure. 7.3 Water pressure sealing test
Before the water pressure sealing test, the pressure part shall be closed, filled with water and air shall be removed, then slowly pressurized to 1.1 times the maximum working pressure and maintained for 3 minutes. The result shall comply with the provisions of 6.3.2, 6.7.5 and 6.9.2. 7.4 Flow measurement
Use a calibrated flowmeter to directly measure the flow rate. The result should comply with the flow values specified in Tables 1 to 3, Table 9 and GB6245. 7.5 Fire monitor range measurement
Measure according to the method specified in 5.13 of GB7956-1998. The result should comply with the provisions of Tables 1 to 3. 7.6 Mixing ratio measurement
Measure according to the method specified in 5.15 of GB7956-1998. The result should comply with the provisions of Table 9. 7.7 Foam expansion multiple and 25% liquid separation time measurementMeasure according to the method specified in 5.16 of GB7956-1998. The result should comply with the provisions of Tables 1 and 3. 7.8 Corrosion test
7.8.1Before the test, carefully clean the surface of the fire monitor with warm water. No grease or dirt should be left. Abrasives or solvents should not be used for cleaning. 7.8.2 The test solution of the salt spray test chamber is prepared by adding sodium chloride to distilled water. The concentration is (50 ± 1) g/L, and the pH value is 6.5-7.2 at 25°C. The temperature in the salt spray test chamber should be maintained at (35 ± 2)°C, and the spray rate is 1mL/h-2mL/h (the average spray rate measured when a collector with an effective area of 80cm is placed in the test chamber for 24 hours). The test period is 72 hours, and the spray should be continuous during the test period.
7.8.3 After the test, take out the fire monitor from the test chamber, clean it with warm water, and carefully check the surface corrosion of the fire monitor and accessories. The test results should comply with the provisions of 6.3.3.
7.8.4 Fire monitors made of corrosion-resistant materials such as copper and stainless steel do not need to undergo the above test. 9
GB19157—2003
7.9 Fire monitor operation performance test
After the fire monitor is subjected to 30 consecutive pitch and rotation actions, the performance of each rotating mechanism shall comply with the provisions of 6.3.1. 7.10 Hydraulic equipment test
Perform sealing and other performance tests in accordance with the relevant provisions of GB/T3766, and the results shall comply with the provisions of 6.4.2. 7.11 Pneumatic equipment test
Perform sealing performance tests in accordance with the relevant provisions of GB/T7932, and the results shall comply with the provisions of 6.4.3. 7.12 Electrical equipment test
Perform tests in accordance with the relevant provisions of GB/T14048.1 and GB3836.1 and GB3836.2, and the results shall comply with the provisions of 6.2.5, 6.5, 6.6, 6.8, and 6.10.
7.13 Fire pump group test
The test shall be carried out in accordance with the relevant provisions of GB6245. The results shall comply with the provisions of 6.11. 7.14 System performance test
7.14.1 Connect the products of the system in accordance with the provisions, use a wireless remote control or electric controller to operate the fire monitor, measure the response time from the start of the button to the start of the fire monitor, and measure the control distance, the continuous working time of the system, and the pitch and rotation times of the fire monitor. 7.14.2 The flow rate, range, mixing ratio, foaming multiple, and liquid separation time shall be measured in accordance with the methods specified in 7.4, 7.5, 7.6, and 7.7. The system performance shall comply with the provisions of 6.12.
8 Inspection rules
8.1 Factory inspection
8.1.1 Products must be inspected by the factory quality inspection department for each unit before leaving the factory. They can only leave the factory after passing the inspection, and a certificate of conformity shall be attached. 8.1.2 Inspect the product appearance, assembly quality, water pressure strength and water pressure sealing test one by one according to the methods of 7.1, 7.2 and 7.3. The results shall comply with the provisions of 6.2, 6.3, 6.7.4, 6.7.5, 6.9.1 and 6.9.2. 8.2 Type inspection
8.2.1 Type inspection shall be carried out in any of the following cases: when new products are identified or old products are transferred to other factories;
when there are major changes in raw materials, processes and designs after formal production; b)
when production is resumed after one year of suspension or when normal production has been completed for two years; c)
d) when the national quality supervision agency puts forward type inspection requirements. The content of type inspection includes all items specified in this standard, and the inspection results must meet the requirements of this standard. 8.2.2
9 Marking, packaging, transportation and storage
9.1 Marking and instruction manual
9.1.1 Marking
The product should be equipped with a nameplate, the font on the nameplate should be clear, and the following contents should be marked: a) Product name;
b) Model;
Main parameters;
Manufacturing date, factory number;
e) Factory name or trademark;
f) Implementation product standard number.
9.1.2 Instruction manual
The product should be accompanied by an instruction manual, which should include the main performance parameters, maintenance, operating procedures and precautions. 10After the water pressure sealing performance test is carried out in accordance with the provisions of 3, there should be no leakage in each connection part.
6.3.3 Fire monitors made of non-corrosion-resistant materials should be treated with anti-corrosion and subjected to corrosion test in accordance with 7.8. After the test, there should be no phenomenon that affects the operation and strength of the fire monitor.
6.4 Power source performance
6.4.1 The power source should have good rainproof and sealing performance, and the continuous working time should not be less than 3h. 6.4.2 The performance of the hydraulic source should comply with the relevant provisions of GB/T3766-1987. 6.4.3 The performance of the air pressure source should comply with the provisions of 3.2, 3.3, 3.4, and 3.8.3 in GB/T7932-1987. 6.5 Electric controller performance
The withstand voltage and insulation performance of the electric controller should comply with the provisions of GB/T14048.1. 6.6 Performance of wireless remote controller
6.6.1 The transmitter shall be waterproof, dustproof and shockproof. 6.6.2 The receiver shall have automatic frequency correction function. 6.7 Performance of fire turret
6.7.1 The surface of fire turret shall be treated for rust prevention. 6.7.2 Fire turret shall have water curtain protection function. 6.7.3 Fire turret shall be equipped with pipelines for water supply, foam liquid supply, hydraulic oil supply, gas supply, cable threading, etc. that are matched with fire monitors. 6.7.4 After the pressure pipeline is subjected to water pressure strength test in accordance with 7.2, there shall be no defects such as leakage, cracks and permanent deformation. 6.7.5 After the pressure pipeline is subjected to water pressure sealing test in accordance with 7.3, there shall be no leakage at each connection. 6.8 Performance of valve centralized control device
The voltage resistance and insulation performance of valve centralized control device shall comply with the provisions of GB/T14048.1. 8
6.9 Performance of tank pressure foam proportioning device GB 19157—2003
6.9.1 After the hydraulic pressure strength test of the tank pressure foam proportioning device is carried out in accordance with 7.2, there shall be no defects such as leakage, cracks and permanent deformation.
6.9.2 After the hydraulic pressure sealing test of the tank pressure foam proportioning device is carried out in accordance with 7.3, there shall be no leakage at all connecting parts. 6.9.3 The foam storage tank shall be equipped with a level mark, drain, add liquid, pressure gauge, valve, etc. 6.10 Performance of fire pump control device
The withstand voltage and insulation performance of the fire pump control device shall comply with the provisions of GB/T14048.1. 6.11 Performance of fire pump set
The performance of the fire pump set shall comply with the provisions of GB6245. 6.12 System performance
6.12.1 The system should be able to start reliably and smoothly, and the response time from the start of the electric controller or wireless remote control to the action of the fire monitor should be less than 5s. 6.12.2 The wired control distance should be no less than 200m, and the wireless remote control distance should be no less than 150m. 6.12.3 The continuous working time of the system should not be less than 3h. 6.12.4 The system performance should meet the requirements of Tables 1 to 10 and 5.11. 6.12.5 The explosion-proof performance of the explosion-proof fire monitor system composed of explosion-proof products should meet the explosion-proof requirements of different explosion-proof places. 7 Test method
7.1 Appearance inspection
Visually inspect the appearance quality of the equipment, which should comply with the requirements of 6.1. 7.2 Water pressure strength test
Before the water pressure strength test, the pressure part shall be closed, filled with water and air shall be removed, then slowly pressurized to 1.5 times the maximum working pressure and maintained for 3 minutes. The result shall comply with the provisions of 6.2.4, 6.7.4 and 6.9.1. The test pressure of the tank pressure foam proportioning device shall be 1.25 times its maximum working pressure. 7.3 Water pressure sealing test
Before the water pressure sealing test, the pressure part shall be closed, filled with water and air shall be removed, then slowly pressurized to 1.1 times the maximum working pressure and maintained for 3 minutes. The result shall comply with the provisions of 6.3.2, 6.7.5 and 6.9.2. 7.4 Flow measurement
Use a calibrated flowmeter to directly measure the flow rate. The result should comply with the flow values specified in Tables 1 to 3, Table 9 and GB6245. 7.5 Fire monitor range measurement
Measure according to the method specified in 5.13 of GB7956-1998. The result should comply with the provisions of Tables 1 to 3. 7.6 Mixing ratio measurement
Measure according to the method specified in 5.15 of GB7956-1998. The result should comply with the provisions of Table 9. 7.7 Foam expansion multiple and 25% liquid separation time measurementMeasure according to the method specified in 5.16 of GB7956-1998. The result should comply with the provisions of Tables 1 and 3. 7.8 Corrosion test
7.8.1Before the test, carefully clean the surface of the fire monitor with warm water. No grease or dirt should be left. Abrasives or solvents should not be used for cleaning. 7.8.2 The test solution of the salt spray test chamber is prepared by adding sodium chloride to distilled water. The concentration is (50 ± 1) g/L, and the pH value is 6.5-7.2 at 25°C. The temperature in the salt spray test chamber should be maintained at (35 ± 2)°C, and the spray rate is 1mL/h-2mL/h (the average spray rate measured when a collector with an effective area of 80cm is placed in the test chamber for 24 hours). The test period is 72 hours, and the spray should be continuous during the test period.
7.8.3 After the test, take out the fire monitor from the test chamber, clean it with warm water, and carefully check the surface corrosion of the fire monitor and accessories. The test results should comply with the provisions of 6.3.3.
7.8.4 Fire monitors made of corrosion-resistant materials such as copper and stainless steel do not need to undergo the above test. 9
GB19157—2003
7.9 Fire monitor operation performance test
After the fire monitor is subjected to 30 consecutive pitch and rotation actions, the performance of each rotating mechanism shall comply with the provisions of 6.3.1. 7.10 Hydraulic equipment test
Perform sealing and other performance tests in accordance with the relevant provisions of GB/T3766, and the results shall comply with the provisions of 6.4.2. 7.11 Pneumatic equipment test
Perform sealing performance tests in accordance with the relevant provisions of GB/T7932, and the results shall comply with the provisions of 6.4.3. 7.12 Electrical equipment test
Perform tests in accordance with the relevant provisions of GB/T14048.1 and GB3836.1 and GB3836.2, and the results shall comply with the provisions of 6.2.5, 6.5, 6.6, 6.8, and 6.10.
7.13 Fire pump group test
The test shall be carried out in accordance with the relevant provisions of GB6245. The results shall comply with the provisions of 6.11. 7.14 System performance test
7.14.1 Connect the products of the system in accordance with the provisions, use a wireless remote control or electric controller to operate the fire monitor, measure the response time from the start of the button to the start of the fire monitor, and measure the control distance, the continuous working time of the system, and the pitch and rotation times of the fire monitor. 7.14.2 The flow rate, range, mixing ratio, foaming multiple, and liquid separation time shall be measured in accordance with the methods specified in 7.4, 7.5, 7.6, and 7.7. The system performance shall comply with the provisions of 6.12.
8 Inspection rules
8.1 Factory inspection
8.1.1 Products must be inspected by the factory quality inspection department for each unit before leaving the factory. They can only leave the factory after passing the inspection, and a certificate of conformity shall be attached. 8.1.2 Inspect the product appearance, assembly quality, water pressure strength and water pressure sealing test one by one according to the methods of 7.1, 7.2 and 7.3. The results shall comply with the provisions of 6.2, 6.3, 6.7.4, 6.7.5, 6.9.1 and 6.9.2. 8.2 Type inspection
8.2.1 Type inspection shall be carried out in any of the following cases: when new products are identified or old products are transferred to other factories;
when there are major changes in raw materials, processes and designs after formal production; b)
when production is resumed after one year of suspension or when normal production has been completed for two years; c)
d) when the national quality supervision agency puts forward type inspection requirements. The content of type inspection includes all items specified in this standard, and the inspection results must meet the requirements of this standard. 8.2.2
9 Marking, packaging, transportation and storage
9.1 Marking and instruction manual
9.1.1 Marking
The product should be equipped with a nameplate, the font on the nameplate should be clear, and the following contents should be marked: a) Product name;
b) Model;
Main parameters;
Manufacturing date, factory number;
e) Factory name or trademark;
f) Implementation product standard number.
9.1.2 Instruction manual
The product should be accompanied by an instruction manual, which should include the main performance parameters, maintenance, operating procedures and precautions. 10After the water pressure sealing performance test is carried out in accordance with the provisions of 3, there should be no leakage in each connection part.
6.3.3 Fire monitors made of non-corrosion-resistant materials should be treated with anti-corrosion and subjected to corrosion test in accordance with 7.8. After the test, there should be no phenomenon that affects the operation and strength of the fire monitor.
6.4 Power source performance
6.4.1 The power source should have good rainproof and sealing performance, and the continuous working time should not be less than 3h. 6.4.2 The performance of the hydraulic source should comply with the relevant provisions of GB/T3766-1987. 6.4.3 The performance of the air pressure source should comply with the provisions of 3.2, 3.3, 3.4, and 3.8.3 in GB/T7932-1987. 6.5 Electric controller performance
The withstand voltage and insulation performance of the electric controller should comply with the provisions of GB/T14048.1. 6.6 Performance of wireless remote controller
6.6.1 The transmitter shall be waterproof, dustproof and shockproof. 6.6.2 The receiver shall have automatic frequency correction function. 6.7 Performance of fire turret
6.7.1 The surface of fire turret shall be treated for rust prevention. 6.7.2 Fire turret shall have water curtain protection function. 6.7.3 Fire turret shall be equipped with pipelines for water supply, foam liquid supply, hydraulic oil supply, gas supply, cable threading, etc. that are matched with fire monitors. 6.7.4 After the pressure pipeline is subjected to water pressure strength test in accordance with 7.2, there shall be no defects such as leakage, cracks and permanent deformation. 6.7.5 After the pressure pipeline is subjected to water pressure sealing test in accordance with 7.3, there shall be no leakage at each connection. 6.8 Performance of valve centralized control device
The voltage resistance and insulation performance of valve centralized control device shall comply with the provisions of GB/T14048.1. 8
6.9 Performance of tank pressure foam proportioning device GB 19157—2003
6.9.1 After the hydraulic pressure strength test of the tank pressure foam proportioning device is carried out in accordance with 7.2, there shall be no defects such as leakage, cracks and permanent deformation.
6.9.2 After the hydraulic pressure sealing test of the tank pressure foam proportioning device is carried out in accordance with 7.3, there shall be no leakage at all connecting parts. 6.9.3 The foam storage tank shall be equipped with a level mark, drain, add liquid, pressure gauge, valve, etc. 6.10 Performance of fire pump control device
The withstand voltage and insulation performance of the fire pump control device shall comply with the provisions of GB/T14048.1. 6.11 Performance of fire pump set
The performance of the fire pump set shall comply with the provisions of GB6245. 6.12 System performance
6.12.1 The system should be able to start reliably and smoothly, and the response time from the start of the electric controller or wireless remote control to the action of the fire monitor should be less than 5s. 6.12.2 The wired control distance should be no less than 200m, and the wireless remote control distance should be no less than 150m. 6.12.3 The continuous working time of the system should not be less than 3h. 6.12.4 The system performance should meet the requirements of Tables 1 to 10 and 5.11. 6.12.5 The explosion-proof performance of the explosion-proof fire monitor system composed of explosion-proof products should meet the explosion-proof requirements of different explosion-proof places. 7 Test method
7.1 Appearance inspection
Visually inspect the appearance quality of the equipment, which should comply with the requirements of 6.1. 7.2 Water pressure strength test
Before the water pressure strength test, the pressure part shall be closed, filled with water and air shall be removed, then slowly pressurized to 1.5 times the maximum working pressure and maintained for 3 minutes. The result shall comply with the provisions of 6.2.4, 6.7.4 and 6.9.1. The test pressure of the tank pressure foam proportioning device shall be 1.25 times its maximum working pressure. 7.3 Water pressure sealing test
Before the water pressure sealing test, the pressure part shall be closed, filled with water and air shall be removed, then slowly pressurized to 1.1 times the maximum working pressure and maintained for 3 minutes. The result shall comply with the provisions of 6.3.2, 6.7.5 and 6.9.2. 7.4 Flow measurement
Use a calibrated flowmeter to directly measure the flow rate. The result should comply with the flow values specified in Tables 1 to 3, Table 9 and GB6245. 7.5 Fire monitor range measurement
Measure according to the method specified in 5.13 of GB7956-1998. The result should comply with the provisions of Tables 1 to 3. 7.6 Mixing ratio measurement
Measure according to the method specified in 5.15 of GB7956-1998. The result should comply with the provisions of Table 9. 7.7 Foam expansion multiple and 25% liquid separation time measurementMeasure according to the method specified in 5.16 of GB7956-1998. The result should comply with the provisions of Tables 1 and 3. 7.8 Corrosion test
7.8.1Before the test, carefully clean the surface of the fire monitor with warm water. No grease or dirt should be left. Abrasives or solvents should not be used for cleaning. 7.8.2 The test solution of the salt spray test chamber is prepared by adding sodium chloride to distilled water. The concentration is (50 ± 1) g/L, and the pH value is 6.5-7.2 at 25°C. The temperature in the salt spray test chamber should be maintained at (35 ± 2)°C, and the spray rate is 1mL/h-2mL/h (the average spray rate measured when a collector with an effective area of 80cm is placed in the test chamber for 24 hours). The test period is 72 hours, and the spray should be continuous during the test period.
7.8.3 After the test, take out the fire monitor from the test chamber, clean it with warm water, and carefully check the surface corrosion of the fire monitor and accessories. The test results should comply with the provisions of 6.3.3.
7.8.4 Fire monitors made of corrosion-resistant materials such as copper and stainless steel do not need to undergo the above test. 9
GB19157—2003
7.9 Fire monitor operation performance test
After the fire monitor is subjected to 30 consecutive pitch and rotation actions, the performance of each rotating mechanism shall comply with the provisions of 6.3.1. 7.10 Hydraulic equipment test
Perform sealing and other performance tests in accordance with the relevant provisions of GB/T3766, and the results shall comply with the provisions of 6.4.2. 7.11 Pneumatic equipment testbzxz.net
Perform sealing performance tests in accordance with the relevant provisions of GB/T7932, and the results shall comply with the provisions of 6.4.3. 7.12 Electrical equipment test
Perform tests in accordance with the relevant provisions of GB/T14048.1 and GB3836.1 and GB3836.2, and the results shall comply with the provisions of 6.2.5, 6.5, 6.6, 6.8, and 6.10.
7.13 Fire pump group test
The test shall be carried out in accordance with the relevant provisions of GB6245. The results shall comply with the provisions of 6.11. 7.14 System performance test
7.14.1 Connect the products of the system in accordance with the provisions, use a wireless remote control or electric controller to operate the fire monitor, measure the response time from the start of the button to the start of the fire monitor, and measure the control distance, the continuous working time of the system, and the pitch and rotation times of the fire monitor. 7.14.2 The flow rate, range, mixing ratio, foaming multiple, and liquid separation time shall be measured in accordance with the methods specified in 7.4, 7.5, 7.6, and 7.7. The system performance shall comply with the provisions of 6.12.
8 Inspection rules
8.1 Factory inspection
8.1.1 Products must be inspected by the factory quality inspection department for each unit before leaving the factory. They can only leave the factory after passing the inspection, and a certificate of conformity shall be attached. 8.1.2 Inspect the product appearance, assembly quality, water pressure strength and water pressure sealing test one by one according to the methods of 7.1, 7.2 and 7.3. The results shall comply with the provisions of 6.2, 6.3, 6.7.4, 6.7.5, 6.9.1 and 6.9.2. 8.2 Type inspection
8.2.1 Type inspection shall be carried out in any of the following cases: when new products are identified or old products are transferred to other factories;
when there are major changes in raw materials, processes and designs after formal production; b)
when production is resumed after one year of suspension or when normal production has been completed for two years; c)
d) when the national quality supervision agency puts forward type inspection requirements. The content of type inspection includes all items specified in this standard, and the inspection results must meet the requirements of this standard. 8.2.2
9 Marking, packaging, transportation and storage
9.1 Marking and instruction manual
9.1.1 Marking
The product should be equipped with a nameplate, the font on the nameplate should be clear, and the following contents should be marked: a) Product name;
b) Model;
Main parameters;
Manufacturing date, factory number;
e) Factory name or trademark;
f) Implementation product standard number.
9.1.2 Instruction manual
The product should be accompanied by an instruction manual, which should include the main performance parameters, maintenance, operating procedures and precautions. 104.2 The performance of the hydraulic source shall comply with the relevant provisions of GB/T3766-1987. 6.4.3 The performance of the air pressure source shall comply with the provisions of 3.2, 3.3, 3.4 and 3.8.3 of GB/T7932-1987. 6.5 Performance of the electric controller
The withstand voltage and insulation performance of the electric controller shall comply with the provisions of GB/T14048.1. 6.6 Performance of the wireless remote controller
6.6.1 The transmitter shall be waterproof, dustproof and shockproof. 6.6.2 The receiver shall have an automatic frequency correction function. 6.7 Performance of the fire turret
6.7.1 The surface of the fire turret shall be treated with anti-corrosion. 6.7.2 The fire turret shall have a water curtain protection function. 6.7.3 The fire turret shall be equipped with pipelines such as water supply, foam liquid supply, hydraulic oil supply, air supply, and cable threading that are matched with the fire monitor. 6.7.4 After the pressure-bearing pipeline is subjected to the water pressure strength test in accordance with the provisions of 7.2, there shall be no defects such as leakage, cracks and permanent deformation. 6.7.5 After the pressure-bearing pipeline is subjected to the water pressure sealing test in accordance with the provisions of 7.3, there shall be no leakage at all joints. 6.8 Performance of valve centralized control device
The withstand voltage and insulation performance of valve centralized control device shall comply with the provisions of GB/T14048.1. 8
6.9 Performance of tank pressure foam proportioning device GB 19157—2003
6.9.1 After the pressure-type foam proportioning device of the tank is subjected to the water pressure strength test in accordance with the provisions of 7.2, there shall be no defects such as leakage, cracks and permanent deformation.
6.9.2 After the pressure-type foam proportioning device of the tank is subjected to the water pressure sealing test in accordance with the provisions of 7.3, there shall be no leakage at all joints. 6.9.3 Foam storage tanks shall be equipped with level marks, drainage, filling, pressure gauges, valves, etc. 6.10 Performance of fire pump control device
The withstand voltage and insulation performance of fire pump control device shall comply with the provisions of GB/T14048.1. 6.11 Performance of fire pump group
The performance of fire pump group shall comply with the provisions of GB6245. 6.12 System performance
6.12.1 The system shall be able to start reliably and smoothly, and the response time from the start of the electric controller or wireless remote control to the action of the fire monitor shall be less than 5s. 6.12.2 The wired control distance shall not be less than 200m, and the wireless remote control distance shall not be less than 150m. 6.12.3 The continuous working time of the system shall not be less than 3h. 6.12.4 The system performance shall meet the requirements of Tables 1 to 10 and 5.11. 6.12.5 The explosion-proof performance of the explosion-proof fire monitor system composed of explosion-proof products shall meet the explosion-proof requirements of different explosion-proof places. 7 Test method
7.1 Appearance inspection
Visual inspection of the equipment appearance quality shall comply with the provisions of 6.1. 7.2 Water pressure strength test
Before the water pressure strength test, the pressure part shall be closed, filled with water and air shall be removed, then slowly pressurized to 1.5 times the maximum working pressure, maintained for 3 minutes, and the results shall comply with the provisions of 6.2.4, 6.7.4, and 6.9.1. The test pressure of the tank pressure foam proportioning device is 1.25 times its maximum working pressure. 7.3 Water pressure sealing test
Before the water pressure sealing test, the pressure part shall be closed, filled with water and air shall be removed, then slowly pressurized to 1.1 times the maximum working pressure, maintained for 3 minutes, and the results shall comply with the provisions of 6.3.2, 6.7.5, and 6.9.2. 7.4 Flow measurement
Use a calibrated flowmeter to directly measure the flow rate. The result should comply with the flow values specified in Tables 1 to 3, Table 9 and GB6245. 7.5 Fire monitor range measurement
Measure according to the method specified in 5.13 of GB7956-1998. The result should comply with the provisions of Tables 1 to 3. 7.6 Mixing ratio measurement
Measure according to the method specified in 5.15 of GB7956-1998. The result should comply with the provisions of Table 9. 7.7 Foam expansion multiple and 25% liquid separation time measurementMeasure according to the method specified in 5.16 of GB7956-1998. The result should comply with the provisions of Tables 1 and 3. 7.8 Corrosion test
7.8.1Before the test, carefully clean the surface of the fire monitor with warm water. No grease or dirt should be left. Abrasives or solvents should not be used for cleaning. 7.8.2 The test solution of the salt spray test chamber is prepared by adding sodium chloride to distilled water. The concentration is (50 ± 1) g/L, and the pH value is 6.5-7.2 at 25°C. The temperature in the salt spray test chamber should be maintained at (35 ± 2)°C, and the spray rate is 1mL/h-2mL/h (the average spray rate measured when a collector with an effective area of 80cm is placed in the test chamber for 24 hours). The test period is 72 hours, and the spray should be continuous during the test period.
7.8.3 After the test, take out the fire monitor from the test chamber, clean it with warm water, and carefully check the surface corrosion of the fire monitor and accessories. The test results should comply with the provisions of 6.3.3.
7.8.4 Fire monitors made of corrosion-resistant materials such as copper and stainless steel do not need to undergo the above test. 9
GB19157—2003
7.9 Fire monitor operation performance test
After the fire monitor is subjected to 30 consecutive pitch and rotation actions, the performance of each rotating mechanism shall comply with the provisions of 6.3.1. 7.10 Hydraulic equipment test
Perform sealing and other performance tests in accordance with the relevant provisions of GB/T3766, and the results shall comply with the provisions of 6.4.2. 7.11 Pneumatic equipment test
Perform sealing performance tests in accordance with the relevant provisions of GB/T7932, and the results shall comply with the provisions of 6.4.3. 7.12 Electrical equipment test
Perform tests in accordance with the relevant provisions of GB/T14048.1 and GB3836.1 and GB3836.2, and the results shall comply with the provisions of 6.2.5, 6.5, 6.6, 6.8, and 6.10.
7.13 Fire pump group test
The test shall be carried out in accordance with the relevant provisions of GB6245. The results shall comply with the provisions of 6.11. 7.14 System performance test
7.14.1 Connect the products of the system in accordance with the provisions, use a wireless remote control or electric controller to operate the fire monitor, measure the response time from the start of the button to the start of the fire monitor, and measure the control distance, the continuous working time of the system, and the pitch and rotation times of the fire monitor. 7.14.2 The flow rate, range, mixing ratio, foaming multiple, and liquid separation time shall be measured in accordance with the methods specified in 7.4, 7.5, 7.6, and 7.7. The system performance shall comply with the provisions of 6.12.
8 Inspection rules
8.1 Factory inspection
8.1.1 Products must be inspected by the factory quality inspection department for each unit before leaving the factory. They can only leave the factory after passing the inspection, and a certificate of conformity shall be attached. 8.1.2 Inspect the product appearance, assembly quality, water pressure strength and water pressure sealing test one by one according to the methods of 7.1, 7.2 and 7.3. The results shall comply with the provisions of 6.2, 6.3, 6.7.4, 6.7.5, 6.9.1 and 6.9.2. 8.2 Type inspection
8.2.1 Type inspection shall be carried out in any of the following cases: when new products are identified or old products are transferred to other factories;
when there are major changes in raw materials, processes and designs after formal production; b)
when production is resumed after one year of suspension or when normal production has been completed for two years; c)
d) when the national quality supervision agency puts forward type inspection requirements. The content of type inspection includes all items specified in this standard, and the inspection results must meet the requirements of this standard. 8.2.2
9 Marking, packaging, transportation and storage
9.1 Marking and instruction manual
9.1.1 Marking
The product should be equipped with a nameplate, the font on the nameplate should be clear, and the following contents should be marked: a) Product name;
b) Model;
Main parameters;
Manufacturing date, factory number;
e) Factory name or trademark;
f) Implementation product standard number.
9.1.2 Instruction manual
The product should be accompanied by an instruction manual, which should include the main performance parameters, maintenance, operating procedures and precautions. 104.2 The performance of the hydraulic source shall comply with the relevant provisions of GB/T3766-1987. 6.4.3 The performance of the air pressure source shall comply with the provisions of 3.2, 3.3, 3.4 and 3.8.3 of GB/T7932-1987. 6.5 Performance of the electric controller
The withstand voltage and insulation performance of the electric controller shall comply with the provisions of GB/T14048.1. 6.6 Performance of the wireless remote controller
6.6.1 The transmitter shall be waterproof, dustproof and shockproof. 6.6.2 The receiver shall have an automatic frequency correction function. 6.7 Performance of the fire turret
6.7.1 The surface of the fire turret shall be treated with anti-corrosion. 6.7.2 The fire turret shall have a water curtain protection function. 6.7.3 The fire turret shall be equipped with pipelines such as water supply, foam liquid supply, hydraulic oil supply, air supply, and cable threading that are matched with the fire monitor. 6.7.4 After the pressure-bearing pipeline is subjected to the water pressure strength test in accordance with the provisions of 7.2, there shall be no defects such as leakage, cracks and permanent deformation. 6.7.5 After the pressure-bearing pipeline is subjected to the water pressure sealing test in accordance with the provisions of 7.3, there shall be no leakage at all joints. 6.8 Performance of valve centralized control device
The withstand voltage and insulation performance of valve centralized control device shall comply with the provisions of GB/T14048.1. 8
6.9 Performance of tank pressure foam proportioning device GB 19157—2003
6.9.1 After the pressure-type foam proportioning device of the tank is subjected to the water pressure strength test in accordance with the provisions of 7.2, there shall be no defects such as leakage, cracks and permanent deformation.
6.9.2 After the pressure-type foam proportioning device of the tank is subjected to the water pressure sealing test in accordance with the provisions of 7.3, there shall be no leakage at all joints. 6.9.3 Foam storage tanks shall be equipped with level marks, drainage, filling, pressure gauges, valves, etc. 6.10 Performance of fire pump control device
The withstand voltage and insulation performance of fire pump control device shall comply with the provisions of GB/T14048.1. 6.11 Performance of fire pump group
The performance of fire pump group shall comply with the provisions of GB6245. 6.12 System performance
6.12.1 The system shall be able to start reliably and smoothly, and the response time from the start of the electric controller or wireless remote control to the action of the fire monitor shall be less than 5s. 6.12.2 The wired control distance shall not be less than 200m, and the wireless remote control distance shall not be less than 150m. 6.12.3 The continuous working time of the system shall not be less than 3h. 6.12.4 The system performance shall meet the requirements of Tables 1 to 10 and 5.11. 6.12.5 The explosion-proof performance of the explosion-proof fire monitor system composed of explosion-proof products shall meet the explosion-proof requirements of different explosion-proof places. 7 Test method
7.1 Appearance inspection
Visual inspection of the equipment appearance quality shall comply with the provisions of 6.1. 7.2 Water pressure strength test
Before the water pressure strength test, the pressure part shall be closed, filled with water and air shall be removed, then slowly pressurized to 1.5 times the maximum working pressure, maintained for 3 minutes, and the results shall comply with the provisions of 6.2.4, 6.7.4, and 6.9.1. The test pressure of the tank pressure foam proportioning device is 1.25 times its maximum working pressure. 7.3 Water pressure sealing test
Before the water pressure sealing test, the pressure part shall be closed, filled with water and air shall be removed, then slowly pressurized to 1.1 times the maximum working pressure, maintained for 3 minutes, and the results shall comply with the provisions of 6.3.2, 6.7.5, and 6.9.2. 7.4 Flow measurement
Use a calibrated flowmeter to directly measure the flow rate. The result should comply with the flow values specified in Tables 1 to 3, Table 9 and GB6245. 7.5 Fire monitor range measurement
Measure according to the method specified in 5.13 of GB7956-1998. The result should comply with the provisions of Tables 1 to 3. 7.6 Mixing ratio measurement
Measure according to the method specified in 5.15 of GB7956-1998. The result should comply with the provisions of Table 9. 7.7 Foam expansion multiple and 25% liquid separation time measurementMeasure according to the method specified in 5.16 of GB7956-1998. The result should comply with the provisions of Tables 1 and 3. 7.8 Corrosion test
7.8.1Before the test, carefully clean the surface of the fire monitor with warm water. No grease or dirt should be left. Abrasives or solvents should not be used for cleaning. 7.8.2 The test solution of the salt spray test chamber is prepared by adding sodium chloride to distilled water. The concentration is (50 ± 1) g/L, and the pH value is 6.5-7.2 at 25°C. The temperature in the salt spray test chamber should be maintained at (35 ± 2)°C, and the spray rate is 1mL/h-2mL/h (the average spray rate measured when a collector with an effective area of 80cm is placed in the test chamber for 24 hours). The test period is 72 hours, and the spray should be continuous during the test period.
7.8.3 After the test, take out the fire monitor from the test chamber, clean it with warm water, and carefully check the surface corrosion of the fire monitor and accessories. The test results should comply with the provisions of 6.3.3.
7.8.4 Fire monitors made of corrosion-resistant materials such as copper and stainless steel do not need to undergo the above test. 9
GB19157—2003
7.9 Fire monitor operation performance test
After the fire monitor is subjected to 30 consecutive pitch and rotation actions, the performance of each rotating mechanism shall comply with the provisions of 6.3.1. 7.10 Hydraulic equipment test
Perform sealing and other performance tests in accordance with the relevant provisions of GB/T3766, and the results shall comply with the provisions of 6.4.2. 7.11 Pneumatic equipment test
Perform sealing performance tests in accordance with the relevant provisions of GB/T7932, and the results shall comply with the provisions of 6.4.3. 7.12 Electrical equipment test
Perform tests in accordance with the relevant provisions of GB/T14048.1 and GB3836.1 and GB3836.2, and the results shall comply with the provisions of 6.2.5, 6.5, 6.6, 6.8, and 6.10.
7.13 Fire pump group test
The test shall be carried out in accordance with the relevant provisions of GB6245. The results shall comply with the provisions of 6.11. 7.14 System performance test
7.14.1 Connect the products of the system in accordance with the provisions, use a wireless remote control or electric controller to operate the fire monitor, measure the response time from the start of the button to the start of the fire monitor, and measure the control distance, the continuous working time of the system, and the pitch and rotation times of the fire monitor. 7.14.2 The flow rate, range, mixing ratio, foaming multiple, and liquid separation time shall be measured in accordance with the methods specified in 7.4, 7.5, 7.6, and 7.7. The system performance shall comply with the provisions of 6.12.
8 Inspection rules
8.1 Factory inspection
8.1.1 Products must be inspected by the factory quality inspection department for each unit before leaving the factory. They can only leave the factory after passing the inspection, and a certificate of conformity shall be attached. 8.1.2 Inspect the product appearance, assembly quality, water pressure strength and water pressure sealing test one by one according to the methods of 7.1, 7.2 and 7.3. The results shall comply with the provisions of 6.2, 6.3, 6.7.4, 6.7.5, 6.9.1 and 6.9.2. 8.2 Type inspection
8.2.1 Type inspection shall be carried out in any of the following cases: when new products are identified or old products are transferred to other factories;
when there are major changes in raw materials, processes and designs after formal production; b)
when production is resumed after one year of suspension or when normal production has been completed for two years; c)
d) when the national quality supervision agency puts forward type inspection requirements. The content of type inspection includes all items specified in this standard, and the inspection results must meet the requirements of this standard. 8.2.2
9 Marking, packaging, transportation and storage
9.1 Marking and instruction manual
9.1.1 Marking
The product should be equipped with a nameplate, the font on the nameplate should be clear, and the following contents should be marked: a) Product name;
b) Model;
Main parameters;
Manufacturing date, factory number;
e) Factory name or trademark;
f) Implementation product standard number.
9.1.2 Instruction manual
The product should be accompanied by an instruction manual, which should include the main performance parameters, maintenance, operating procedures and precautions. 104 After the pressure-bearing pipeline is subjected to the water pressure strength test in accordance with the provisions of 7.2, there shall be no defects such as leakage, cracks and permanent
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