GB 5135.2-2003 Automatic sprinkler fire extinguishing system Part 2: Wet alarm valves, delay devices, hydraulic alarm bells
Some standard content:
Chapter 4 and Chapter 6 of this part are mandatory, and the rest are recommended. GB5135g Automatic Call Fire System is currently divided into 15 parts: Part 1: Water Sprinklers Part 2: Valves, Selectors, Water Alarms Part 3: Mist Sprinklers Part 4: Dry Alarm Valves Part 5: Idle Alarm Valves Part 6: General Ducts Part 7: Water Flow Indicators Part 8: Accelerators Part 9: FSFR Sprinklers Part 10: FSFR Sprinklers Part 11: FSFR Sprinklers Part 12: FSFR Sprinklers Part 13: FSFR Sprinklers Part 14: FSFR Sprinklers Part 15: FSFR Sprinklers Part 16: FSFR Sprinklers Part 17: FSFR Sprinklers Part 18: FSFR Sprinklers Part 19: FSFR Sprinklers Part 20: FSFR Sprinklers Part 21: FSFR Sprinklers Part 22: FSFR Sprinklers Part 23: FSFR Sprinklers Part 24: FSFR Sprinklers Part 25: FSFR Sprinklers Part 26: FSFR Sprinklers Part 27: FSFR Sprinklers Part 28: FSFR Sprinklers Part 29: FSFR Sprinklers Part 30: FSFR Sprinklers Part 31: FSFR Sprinklers Part 32: FSFR Sprinklers Part 33: FSFR Sprinklers Part 34: FSFR Sprinklers Switches
Part 1: Batch connection and correction parts
: Part 12: Expanded coverage area sprinkler nozzles Part 13: Water curtain nozzles
Part 14: Current installations
Part 15: Household nozzles
G5135.2—2003
The remaining part is Part 2 of GB513. This order mainly refers to 1S0, W1182, 2 Self- or sprinkler system wet alarm valve requirements and test methods 2000 version! Part 7? ·89 dynamic water spray fire system wet I received two alarm energy requirements test methods six parts and: the village should be static such as
to make a broad and stable collection of some of the standard requirements re-edited
the first, the production of the basic majority of the wet alarm review of the title. The force level changed the "nominal diameter" range; the first chapter added a general test camp strategy ticket:: increase "you push the management of the hospital's requirements: ||t t||For \concentrated flow, deformation" performance was supplemented, and the requirements for the valve type and storage were added; for \connecting size\, the requirements were completed; the "hydraulic rate" curve was added,
"kinetic energy of the sound" was reversed and the requirements for the opening and closing were increased; the performance requirements such as
were added, and the "test method" corresponding to the requirements of the Guo Office was added, and the "tree avoidance soil expansion parts" were moved to the appendix; the "see according to the items" were modified!
The "mark" was added first, and the requirements for reinstallation, operation, and storage were added. Appendix A and Appendix B of this part are standard appendices. Appendix A is a technical appendix. This part is proposed by the Ministry of Public Security of the People's Republic of China. GH 5135.2—2003
This part is drafted by the Second Technical Committee of the National Technical Committee for Fire Protection Standardization (CST9/1S2). Drafting units of this part: Tianjin Fire Research Institute of the Ministry of Public Security, Jiangsu Provincial Fire Department. The drafters of this part are Yang Liming, Bai Tao, La Fengying, Chen Yangmin, Yan Xiaolong, Chi Fa. The historical version of the standard represented by this part is: (3797—1989.
1 Specification
Automatic sprinkler fire extinguishing system
Part 2: Wet alarm valve, delay valve, hydraulic bell
tH 5135.2—2003
This part of GB13 specifies the requirements, test methods, inspection specifications and specifications, packaging, transportation, storage, etc. of automatic water fire extinguishing systems, wet alarms, delay devices and water alarms. This part is applicable to automatic water fire extinguishing systems, wet alarms, delay devices and hydraulic zero bells. 2 Normative references
The clauses in the following documents shall become clauses of this part through reference in this part of (51). All subsequent amendments to the document shall apply to the documents with the date of publication. The revised editions (excluding errata) are not applicable to this part. However, the latest editions of these documents may be used for research and development based on this part. For undated references, the latest valid editions shall apply to this part. (F3098.! Mechanical properties of fasteners, nuts and screws (I3/T308.2 Mechanical properties of fasteners, nuts with coarse thread end grain GH/T3098.3 Mechanical properties of fasteners, fastening screws GB/T32X7, can be used to connect titanium and other roads || t GB/T9112 Steel flanges and various types of flanges
GA29 Performance requirements for pressure switches for fire protection
The following terms and definitions apply to the previous part of 5135. 3.1 Wet alarm valve
A one-way valve that allows water to flow into a wet secondary fire system to drive the alarm of the corresponding components at a certain pressure and flow rate. 3.2 Sewling valve components bly
The movable seal in the root alarm valve that controls the direction of water flow. 3.3
Compensation
copesatorwww.bzxz.net
An auxiliary component of the wet alarm valve, which minimizes the false alarm caused by the passive or impact of the internal water pressure. 3.4
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Delay plan
A kind of customer-type device that greatly reduces the false alarm caused by the passive or impact of the internal water pressure. 3. 5
wutermolalalam
Hydraulic bell
The water bell that can make a sound is suitable for real alarm installation. 3.6
Standard state
readycondition
GB5135.2—2003
Wet alarm devices should be installed in the following systems: the water supply pressure is stable, and there is no decimal point in the system.
Rated working pressureraledwurkingpressurewet alarm valve, delay valve and water bell under stress state allowable average maximum working positive force3.8
inlet pressurenletpressure
test alarm valve under flow condition static water pressure at inlet:3.9
outlet pressureotepressre
trip alarm valve under stress state static water pressure at outlet3.10
retnrd time
Delay time
The difference between installing a delay monitor and not installing a delay device, the difference between the valve system side water to the alarm device to send out a continuous simulated alarm
Push alarm flow alarm
The virtual alarm valve is in the servo state, the system routine slowly increases the water flow, and the flow value of the component opening is read. 4 Requirements
4.1 Appearance, logo
4.1.1 Appearance
Wet alarm valve, delay The surface of the hydraulic cylinder is smooth, without processing defects and chain group damage, the penetration layer is even, and the cup points are complete. 4.1.2 Marking
4, 1.2.1 The hydraulic cylinder and the hydraulic cylinder should be clearly marked in the following places: a) Product name and type:
h) Production unit name or business certificate
) Standard pressure
Production and product maintenance
Letter of installation and installation of hydraulic cylinder.
4, 1.2.2 Whether the hydraulic cylinder installed in the wet type cylinder can be replaced by the replacement factory and the hydraulic cylinder can be clearly marked. 5.2 Basic parameters
4.2. 1 frequency setting working pressure
delivery limit alarm steel, delay energy, water small pipe age question one work should be obtained with 1.2 ground, 1.5Ma and other series card etc. suspected type spell award weak and external pressure six academic system obtained the first report when each equipped with use, the filling device will be lubricated outlet connection almost by the lower huge force such as 1 cable, but the valve should be noted to use the lower law blade grade: 4.2.2 nominal three diameter
Lu type report signing network import H nominal direct price is 50mra.6=mm, 0mm, 100mm, 12.mm, 153r.m, 20cmm25omm, soomm
lifting alarm Tao Deng map at the grid can be less than the total production 4.3 Corrosion resistance of materials
4.3.1 The general use of low corrosion resistance cast iron and low-friction bronze materials are required for the production of the valve.
CB5135.2-20C3
4.3.2 The parts of the valve that require rotation or movement should not be made of brass, austenitic steel and other materials. When the sealing material is made of materials with corrosion resistance lower than the above requirements, it should be made of materials with relative movement and artificial movement. 4.3.3 The filter of the filter should be made of materials with corrosion resistance not lower than brass. 4.3.4 The water filter and the filter screen should be made of materials with low corrosion resistance. 44 Structure, space and connection dimensions
4.4.1 Specifications
4.4.1.1 The valve body is provided with a drain port, and the nominal diameter of the drain port should not be less than 29mm. 4.4.1.2 A control space should be provided between the alarm port and the extended release, and it should be able to be ignited in the open position. 4.4.1.3 The alarm should be provided with an alarm test circuit. When the alarm is in the same state, the alarm component should be activated to manually test the function of the micro-discharge.
4.4.1.4 If the diameter of the water inlet of the valve is less than or greater than tinmm, a filter screen with a heat-resistant coating should be provided. The maximum size of the mesh should not be greater than 6.S times, the total area of the filter screen should be less than 20 times the area of the expansion area: 4.4.F.5 The nominal diameter of the water inlet should not be less than 20 times the drainage area of the nozzle: 4.4.1.6 The nozzle should not be less than 0.6 times the effective size of the filter screen hole should not be less than the nozzle diameter, and the total area of the oil screen should not be less than 0.4.4.2 The distance between the smoke filter and the valve body should not be less than 12m, and for non-ferrous metal or stainless steel, it should not be less than 5m\. h?
In the same place, the distance between the smoke filter or the valve seat should be less than 0.6 mm, see Figure 1. The rigidity of the annular space that can hold the chips outside the speed should be less than 3Ia. The diameter direction is shown in Figure 1. D.-D
4.4.3 Connection size
4.4.3.1 When the pot-type injection molding adopts the reverse connection of the flange, the flange connection size method "closed face shape size plate" shall comply with the provisions of G/?9113.
4.4.3.2 When the careful batch molding adopts the groove connection or other connection methods: the joint shall comply with the general currency standard, 4.4.3.3 Rated working pressure 1.2MP, 1.6MP type alarm valve with the use of parts. Its structural dimensions shall be in accordance with the provisions of H/T3287. 4.4.3.4 Grip alarm valve with fasteners and mechanical parts shall comply with the provisions of GB/T3018.1--(B/T3098.5. Its design requirements shall meet the requirements of 4.7.1: 4.5 Part 4.5.1 The rigid non-metallic parts used in the alarm shall be tested according to the provisions of 5.2 and 5.6. No numerical obstruction shall occur. 5135.2—2003
The drive is busy, twisted, and damaged. 4.5.2 The wet alarm test of rigid non-metallic parts assembled after aging test shall be carried out according to the provisions of 3.6 and 5., and shall comply with the provisions of 4.8.4.10 and 4.11. 4.5.3 The alarm compensator or the parts with the same function shall not be affected by corrosion, sedimentation or other impurities in the body.
4.5.4 The valve seal shall comply with the requirements of Appendix 4.6 Working cycle
The wet alarm pipe with elasticity or the delay device with diaphragm shall be tested as specified in the following: it shall be active and operable, and there shall be no fault or damage to the components:
4.7.1 The wet alarm device in the open position shall be tested with water pressure according to the numerical requirements of 5.5.1. The test pressure shall be 1J of the rated working pressure (but not less than 4.8MPu), and maintained for :min. The delay device shall not be deformed or leaked. 4.7.2 The delay device shall be tested with water pressure according to the provisions of 5.2. The test pressure shall be 2J of the rated working pressure, maintained for 5in, and the delay device shall be tested with water pressure. The device and the device are connected with no leakage, fixed shape and other bad phenomena,
4.B ball and deformation
4.9.1 The two sides of the alarm system are connected and replaced according to the provisions of 5.6, and the test pressure is 2 mir. Blood-free,
4.2 The wet alarm components are opened and the test is carried out according to the provisions of 5.6.2. The test force is 2 m below the rated pressure and there is no urine and deformation. 4.8.3 The beer bearing system of the explicit alarm valve is tested according to the provisions of 5.6.3. Pressure test. Maintain 16, read the thin component rate seal to no leakage.
4.8.4 After the net deformation test of the source type network, it shall meet the requirements of 4.1U and 4.11: 4.9 Hydraulic reservoir resistance
4.9.1 Wet alarm two according to the provisions of 5.7 walking test, the annual flow rate is 4.511/hour, the water intensity should not be greater than 0.04MEa when the hydraulic friction is greater than 1.2MP: less than 0.04MPa. The flow stop should be marked on both bodies and in the operating instructions. The hydraulic rate resistance is less than or equal to U.(7MPa, no marking is required.
4,9.2 The difference between the hydraulic friction pressure of the source alarm measured in accordance with the provisions of 5.7.3 and the value announced by the production unit shall not exceed 1% of the value announced by the production unit:
4.10 Alarm function
4.10.1 The assembled partial alarm cabinet shall be tested in accordance with the provisions of 3.8 and 3.1. When the inlet pressure is 6.14M1a and the system flow rate is in, the pressure is turned off and the hydraulic alarm bell and the alarm signal are not given. 4.10.7 The equipped explicit root alarm system shall be tested in accordance with the provisions of 5.8.2. The compressible pressures are 0.14Mpa, 0.79MPa, 1.2nMPa, and 1.60MI (for wet alarm systems with rated working pressure greater than or equal to 1.6MPa). The corresponding water discharge flow patterns are 601/min, 80L/mia, 1702./mn, and 17cL/min. It is suitable for wet alarm systems with rated working pressure greater than or equal to 1.60MPa. The hydraulic alarm system and the alarm signal should be issued. After the system is released, the wet alarm will no longer have water flow, pressure switch and hydraulic pressure, etc. 4.10.3 The overall alarm is transferred according to the limit width of 5, F.3 or register, 0.14MPa, 3, VUM, 1.20Ma:, SIP = (applicable to the rated upper pressure, the additional alarm is adjusted to .6MI: the alarm pipe volume measured under the pressure does not apply to the alarm flow of the single currency.
4, 10.4 wet When there is no water flow through the wet alarm valve, the components should be able to return to the alarm bed and can be reset in sequence without manual reset. 4.10.5 The assembled wet alarm valve should be installed according to the provisions of 5.8.4. When the inlet pressure is 0.14MI, the system discharge flow is 6Lin. (If the wet alarm valve or delay device is not installed, the internal pressure should not be less than 1MP1
4.11 Alarm delay time
CB 5135. 2—2003
For the avoidance type valve without delay device, the test shall be carried out according to the provisions of 1.8.: After the system is drained, the internal alarm device shall start to give a continuous alarm. The delay device shall be tested according to the provisions of 5.8.3. After the system is drained, the internal alarm device shall start to give a continuous alarm.
4.12 Pressure ratio
For the grip alarm valve installed, the test shall be carried out according to the provisions of 5.A., and the pressures shall be 0.4MP, C, 70MP, 1.20MP, 1.60M respectively. Applicable to wet alarm nets with rated working pressure greater than or equal to 1.60MPa). When the pressure on both sides of the valve group components is at its maximum during the opening of the net component, the ratio of the inlet pressure to the outlet pressure should not be greater than 1:16. 4.13 Impact performance
The assembled wet alarm net is tested with the changes in 5.8.7. Under the condition of a flow rate of 5m/s, it should be able to work properly without adjustment, and all components should not be damaged.
4.14 Delay drain time
Test the acid according to the provisions of 5.S, starting The device should be able to discharge water by itself. When the water is discharged, the pressure should not be greater than 10 ... In the test, when the pressure at the water inlet of the water jet nozzle is 0.20MPa, 0.50MPa, 1.00MPa respectively, the average sensitivity of the measuring position at 3.3Ⅱ of the hydraulic alarm shall not be less than 5dB(A), and the average sensitivity of each measuring position shall not be less than 70(A) when the pressure at the injection nozzle is 0.(MPa). 4.18 Hydraulic equal transfer water resistance performance
According to the current test specified in 2.10.1, the hydraulic bell shall be able to stop working. 4.19 Pressure switch
shall comply with the provisions of 25.
4.20 Fire resistance performance
The valve body and valve body of the wet alarm should be made of metal materials with a melting point of 800 or non-ferrous materials. Test according to the provisions of 5.11. The body should be filled with water and withstand the fire test for 15min. After the test, it should be able to withstand static water with a rated working force of 2min without water expansion or damage for a long time. 4.21 Installation cost requirements
For the installation and use requirements of the mixed alarm, delay valve and hydraulic alarm, please refer to Appendix C. 5 Test methods
5.1 Appearance inspection
The appearance, basic parameters, materials, etc. of the whole test type alarm, delay valve and hydraulic pipe should comply with the provisions of 4.1.4.2, 4.3.4, 4.4, 9.1, 5.2 Air aging test of metal materials 5.2.1 Place rigid non-metallic parts in an air temperature test box. There should be no contact between the samples or between the samples and the whole box. The stress applied to the samples should be consistent with the sample's usage status. 5.2.2 The test temperature is (12 ± 2) and the test time is 18:. The samples cannot be subjected to the above-mentioned temperature changes. It is allowed to carry out an extended time aging test at a lower temperature. The test duration is calculated according to formula (1): GR 5135. 2-2003 Wherein; Test duration, unit is (d) D - 737 U00c→*
Test temperature. Single stop is 100 degrees Celsius ()
Take out the selected sample and cool it in (23+31) air environment for 2h for inspection. The test result shall meet the requirements of 4.b, 1. 5.3 Warm water aging test
Put the rigid non-metallic parts sample in (87+2) water for 180 test. If the sample cannot withstand the above temperature and softens and deforms, it is allowed to reversely extend the aging test at a lower temperature (but not less than 707). The test duration is calculated by formula (2): D=74 857ei00r
Test duration, unit is day (°C): --Test temperature, unit is degree Celsius (°C). After the test, take out the product for inspection. The test results shall comply with the provisions of 4.6.1.4.5.2. 5.4 Working environment test
Valve valve components use wet-type resistance of yellow rate. During the test, the valve valve components shall be turned to the closed position by 15°. The guide tube adopts single-stage wet-type resistance. During the test, the guide tube is moved from the fully open position to the closed position: When a membrane meter is used, the diaphragm shall be moved from the fully open position to the closed position. Normally, if there is no bending, the belt is judged to be in the closed position. The test rate should not be greater than 6 times/min. The test account is carried out 5 (10) times per year. The withdrawal and delay of the network meet the requirements of 4.6.
5.5 Weak seat test
5.5, 1 does not include the delay device, hydraulic temporary bell and the pot-type alarm valve of the pipeline, which is installed in the test device. The structure and parts that are not compressed in the original are replaced with the new structure of the former compression, and the valve openings are blocked. The valve components are opened and the air in the two flash chambers is filled with water to remove the air, and then slowly rise to the set point. The working pressure should be lower than 4.5MPu for 5min every day. The test results should comply with the provisions of 4.7.1. 5.5.2 Connect the water supply system of the starter to the water supply system. Block the drainage, fill with water to eliminate the internal air, and then slowly increase the pressure to 3 times the rated working pressure and maintain it for 5min. The test results should comply with the provisions of 4.7.2. 5.6 Add the required and deformation test
5.6.1 Install the wet test device equipped with compensator and bypass pipe (excluding the delay device and hydraulic wheel) on the test device, and block the openings in the working room , close the adjustment component.
After draining the air from the inner cavity with water, slowly increase the pressure of the component system by 2 times the rated pressure, and maintain it for 5m. Place a strong self-resistance between the upper and lower parts of the wet type replacement reading. The potential of the component is placed under the paper of the example. The test results should meet the requirements of 4.8.1. 5.6.2 Install the gradual alarm valve equipped with compensation group and connecting pipeline (without other maintenance and water pressure pipe age) in the test device, and keep the valve open: the valve assembly is in the open position. After filling the inner cavity with water, slowly increase the pressure of the component system by 2 times the rated pressure. 1. Maintain F.im, and the test results should meet the requirements of 4.3.2.
5.6.3 Install the compensator and the connecting pipeline! The wet-type valve (not including the small alarm bell) is installed on the test device, a vertical pipe is installed, the air is lubricated, the other openings of the valve are blocked, and the surrounding chain components are closed. Fill water to remove the air piece, and measure the static water column of 1.0P1.5m for the system. (For the medium valve type virtual alarm, the static water pressure of 0.14M for the system side is >16h. The test results should meet the requirements of 4.8.3. The method for preventing the sound leakage of the sound function group shall be in accordance with the provisions of 5.6.1. 5.7 Hydraulic reservoir resistance test
5.71 Hydraulic resistance test adopts this test method (foreign war test method\ or Appendix A method, 6
GB 5135. 2—2003
5.7.2 Install the strong paper alarm in the test installation of Figure 2, adjust the distance between the upper and lower intakes to 1, and the distance between the three holes of the pipe section to be equal. The diameter of the pipe is the same. The flow measurement and the difference measurement accuracy are not less than 2.5.7.3 Adjust the water supply device to make the flow rate through the wet alarm to maintain at 4.3m/5. The pressure difference measurement device needs to be used to measure the pressure difference and the pressure difference P
respectively, and the hydraulic pressure value of the mixed alarm is calculated by formula (3) ≥P. AP = AP..aP
should comply with the provisions of 4.!
5.7.4 When the hydraulic resistance curve is finally drawn, the actual measuring points shall not be less than 3~, and the maximum flow rate shall not be greater than 5\/s. The test data shall be plotted with the horizontal axis as the flow rate (n1/) and the vertical axis as the hydraulic resistance value (M\) to draw the hydraulic resistance curve diagram: 5.8 Function Check
5. B. 1. The test table is inspected. The test equipment shown in 2 is required to be carried out. The equipment also includes the water system, the measuring instrument, the pipe network, the drainage device, the valve system, etc. The pressure is measured as much as possible and the accuracy of the pressure difference cannot be within 10%.
Batch pipe:
Water splashing with delay device (with drainage sound): belt type:
Screw system according to the situation (the length should be 7m:
.--Uncommon code starts to need time to wash the substitute: Four oil technical head
Threaded pipe maximum length seat
Point at the close;
Three-way joint:
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hydraulic alarm light,
capital system low (external and subject to the standard of equipment more!: Zengcheng is +25 wine tray creation reputation installation:
control reading (quick start "
control network,
cavity system enclosure
pressure difference measurement table:
certification type to the sea two low area of the same:
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past: the test replacement core installation diagram system classic related quantity, "source type control dance valve external factors original equipment different use can be changed, Figure 2 functional test layout
5.8.2 report storage test
5. day, 2.1 will look at the batch alarm research installed on the three.8. specified test bone, so that the reading is in the intermediate state, each test before the response of the material report general pipe D 5135,22903
The water in the road can be adjusted to maintain the inlet pressure of the explicit reporting network at 0.14MPa, and the regulating system can maintain the effective water flow at 151./mn. The test station should comply with the provisions of 1.1G.1 of the station. 5.B.2.2 Weekly fire alarm inspection inlet pressure is maintained at C.4MPa, C.75MPa, 1.2UMPa, 1.MPu respectively. It is used for the rated working pressure less than or equal to 1.60MPe source reporting belt! , the water injection volume of the system is relatively stable at 60 "min, Tnn, 173L/io, 170/min, check the alarm condition, close the system after each test and test the drain control valve, check the positive gate alarm flow. The test results should comply with the provisions of 4.-3.2 and 4.10.4. 5. 8.3 Alarm flow test
The inlet pressure of the retreat type batch valve is maintained at 0.1MPa, 0.7CMPa, 1.20MPa, 1.eCMPa (3 is for wet alarm with working pressure as large as 3 and equal to 1.CMPa), and the system side discharge flow is maintained at the flow between the opening of the valve components, that is, the system alarm flow value, and its value should comply with the requirements of 4.10.1. 5.4 Alarm port pressure test
The adjustable alarm inlet pressure shall be maintained at c,4MPa, the full system water flow rate shall be maintained at 60I./min, the pressure of the delay device shall comply with the provisions of 4.10.5
5.4 Alarm temporary delay time test
The alarm of the safety delay device and the wet alarm of the non-delay device shall be repeated according to the tests specified in 3.8.2.2 respectively. From the system side or water to the continuous alarm of the book filling stomach: it should comply with the provisions of 11, install the delay device of the differential alarm throat delay time, from the system buttocks water to the delay back to the ball force of 0.05Ma, 5.8.6 Pressure ratio test
5..6.1 Sample wet reading installation set 5.R.1 specified test level cracking, Bo steel is in the emergency state, adjust the forward 11 pressure to maintain at (.14MPa system plan slowly add a small amount of water, while recording the permanent inlet and reading both sides of the pressure difference, at the moment of the reading opening, the maximum pressure just before the inlet pressure drops, according to formula (4) to calculate the opening point hall ratio.Inlet pressure
Maximum pressure
5.8.6.2 Inlet pressure is U.7VMPu.1.20MP, 1.60MFa (applicable to two custom forces greater than, etc. 5.60 MPz difference report network> condition, heavy load E,, test specified in 5.1. 5.8.6.3 Test results and should comply with 1.12, 5.8.7 Impact resistance test
Install the virtual alarm post on the test device specified in 5.8.1, so that the reading is in the state of response, punish the water supply system, so that the flow path of the lift root is controlled at 5n, maintain this flow rate 1C, the working condition of the valve should comply with 4.13. 5.9 Delay device drainage time test
After the delayed return water is discharged from the drain outlet. Record the drainage time, the test results should include a visual determination of 1:14. 5.10 Hydraulic arm age test
5.10.1 Age hammer starting pressure Pressure test
Put the hydraulic pipe in the test chamber, and then release the water to adjust the pressure of the hydraulic alarm system. The hydraulic alarm will start to turn on and off, and record the pressure at the outlet. The test results should meet the requirements of 4:5. 5.10.2 Sustainability test
The hydraulic alarm is tested for a certain period of time and pressure according to the operation, time and pressure given in Table 1. The test results should meet the requirements of 4.1G. The ... 5135.2—2003
Adjust the pressure at the water inlet of the hydraulic pipe. 5VPa, 2nMPa.G, 0MTa, 1.00MFa, and record the pressure value of each pressure at 3m of the hydraulic pressure bell. The average value of each pressure should meet the requirements of 4.27. The unit is
. The pressure of the composite plate
is determined according to the diameter and the type of the test.
5.10.4 Water resistance test ||tt ||Sound intensity meter
The referee's office observes the difficulty
The test arrangement of the loudness test
The hydraulic pipe is placed in a water tank with a concentration of (4) + 2) for 3 minutes: the pressure at the inlet of the water-saving warning nozzle is maintained at n,0F.MPa, 20MPa or 1.MPa respectively. The wet type alarm is greater than or equal to 1.0MPa, and the test is continued for 5 minutes. The result should meet the requirements of 4.15. 5.11 Fire resistance test
5.11.1 The fire resistance test of the relay alarm is carried out on the test device shown in Figure 4. The device also includes a water supply system, a flow meter, a temperature measuring instrument, etc.
A temperature measuring hot water tank is installed on the horizontal surface of the whole device. The temperature point is about the same height as the plate. The surface is rm. The surface of the oil and salt is small [m
5.11.2 The relay alarm is placed horizontally in the whole device 3. Remove the external accessories of the flash, close the three bayonet of the valve body, fill the two doors into the test circuit with water to exclude air, and keep the horizontal blood pressure of the space around the shutter directly below the valve at the end of the test (800--900), and put out the oil pan fire immediately after 15min. The test results should meet the requirements of 4. GB. 5135, 22003
6 Fire rules
Test room
Finishing center
Figure 4 Test station layout for fire resistance test
The production unit shall organize production according to the drawings and technical documents of the design and construction. The quality system shall ensure the quality of each product and comply with the provisions of this part
6.1 Inspection classification
6.1.1 Type inspection
6.1.1.1 Before the new fireproof valves, valves, hydraulic valves of various types and specifications are put into production, the performance of the items shall be comprehensively inspected.
In the following cases, the type inspection of fireproof valves, valves, hydraulic valves shall be carried out. The new product shall be tested for quality
h) After the production of the product, if there are major changes in the structure, materials, and process, it may affect the product performance! When a major quality improvement occurs:
The product shall be under production for more than one year. When production is resumed, (when normal production is resumed), a type inspection shall be carried out once every two years, and the supervisory organization shall report the general requirements for type inspection. 6.1.1.2 Product type inspection shall be carried out in all items in accordance with the provisions of this section. 6.1.2 Factory Inspection
Product factory inspection shall be carried out in accordance with the provisions of this department, including 5.1, 5.5.2, 51, 5.8.2, 8.3.5.8.4, 5.8.5, 5.9, 5.10.2 and other tests.
6.2 Batch
Products of the same model and specification assembled from the same materials and accessories are divided into batches. 6.3 Sampling
The sampling method is to select the sample by machine. The sampling quantity is less than 2 white: 6.4 Inspection Procedure
The inspection procedure for wet-type valves and hydraulic pressure alarms shall be in accordance with the provisions of Figure 5.1 Before the new type and specification of alarm valves, valves, hydraulic alarm bells, etc. are put into production, comprehensive performance inspection must be carried out.
If the following conditions occur, type inspection of the alarm valves, valves, hydraulic alarm bells, etc. should be carried out. New products should be tested for quality.
h) After the production of the product, if there are major changes in the structure, materials, and process, it is necessary to change the product performance! When major quality changes occur:
The product is over 1 year old, when the production is resumed, when the normal production is resumed, the product shall be inspected once every two years, and the supervisor shall inspect the product structure. 6.1.1.2 The product type inspection shall be carried out in accordance with the provisions of this department. 6.1.2 Factory Inspection
Product factory inspection shall be carried out in accordance with the provisions of this department, including 5.1, 5.5.2, 51, 5.8.2, 8.3.5.8.4, 5.8.5, 5.9, 5.10.2 and other tests.
6.2 Batch
Products of the same model and specification assembled from the same materials and accessories are divided into batches. 6.3 Sampling
The sampling method is to select the sample by machine. The sampling quantity is less than 2 white: 6.4 Inspection Procedure
The inspection procedure for wet-type valves and hydraulic pressure alarms shall be in accordance with the provisions of Figure 5.1 Before the new type and specification of alarm valves, valves, hydraulic alarm bells, etc. are put into production, comprehensive performance inspection must be carried out.
If the following conditions occur, type inspection of the alarm valves, valves, hydraulic alarm bells, etc. should be carried out. New products should be tested for quality.
h) After the production of the product, if there are major changes in the structure, materials, and process, it is necessary to change the product performance! When major quality changes occur:
The product is over 1 year old, when the production is resumed, when the normal production is resumed, the product shall be inspected once every two years, and the supervisor shall inspect the product structure. 6.1.1.2 The product type inspection shall be carried out in accordance with the provisions of this department. 6.1.2 Factory Inspection
Product factory inspection shall be carried out in accordance with the provisions of this department, including 5.1, 5.5.2, 51, 5.8.2, 8.3.5.8.4, 5.8.5, 5.9, 5.10.2 and other tests.
6.2 Batch
Products of the same model and specification assembled from the same materials and accessories are divided into batches. 6.3 Sampling
The sampling method is to select the sample by machine. The sampling quantity is less than 2 white: 6.4 Inspection Procedure
The inspection procedure for wet-type valves and hydraulic pressure alarms shall be in accordance with the provisions of Figure 5.
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