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QB/T 1699-1993 Spherical rotor pump

Basic Information

Standard ID: QB/T 1699-1993

Standard Name: Spherical rotor pump

Chinese Name: 球形转子泵

Standard category:Light Industry Standard (QB)

state:Abolished

Date of Implementation:1993-10-01

Date of Expiration:2007-08-01

standard classification number

Standard Classification Number:Machinery>>General Machinery and Equipment>>J71 Pump

associated standards

alternative situation:Replaced by QB/T 1699-2006

Publication information

publishing house:China Light Industry Press

Publication date:1993-10-01

other information

Introduction to standards:

QB/T 1699-1993 Spherical rotor pump QB/T1699-1993 standard download decompression password: www.bzxz.net

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Light Industry Industry Standard of the People's Republic of China
Spherical Rotor Pump
Subject Content and Scope of Application
QB/T1699—1993
This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of spherical rotor pumps. This standard applies to spherical rotor pumps (hereinafter referred to as "spherical pumps") with a rated pressure of 0.3~6MPa and a flow rate of 2~400m/h for conveying flammable, explosive, high-temperature and high-viscosity media. 2 Reference standards
GB/T191 Pictorial symbols for packaging, storage and transportation
GB/T 1032 Test methods for three-phase asynchronous motors Product labels
GB/T 13306
GB/T 14253
3 General technical conditions for light industrial machinery
3 Product classification
3.1 Spherical pumps are divided into the following categories according to their structure: a. Type A: the angle between the active and passive shafts is 30°
Type II: the angle between the active and passive shafts is 20°; b. Type III: the angle between the active and passive shafts is 10°. 3.2 Model
3.2.1 The model of the ball pump consists of Chinese alphabetical letters and Arabic numerals, and is expressed as follows: QZB
3.2.2 Model example
Rated flow (m2/h)
Rated pressure (MPa)
-Ball material (c is a copper ball, and other material balls are not noted) Spherical rotor pump
The angle between the active and passive shafts (Type I, Type II, Type II) Outlet diameter (mm)
Spherical rotor pump, the angle between the active and passive shafts is 20°, the rated pressure is 0.6MPa, the flow rate is 8m2/h, the steel ball, the outlet diameter is 40 mm, which is expressed as: 40ⅡQZBc0.6-8
3.3 Basic parameters
3.3.1 The pressure of the ball pump should be selected from Table 1. Approved by the Ministry of Light Industry of the People's Republic of China on March 28, 1993 and implemented on October 1, 1993
QB/T1699-1993
The flow rate of the ball pump should be selected from the series in Table 2. 6
The volumetric efficiency of the ball pump should comply with the provisions of Table 3. Table 2
Rated pressure/MPa
Volumetric efficiency/(%)
The matching power of the ball pump should be selected from Table 4 based on the pressure, flow rate and pump efficiency. Table 4
The pump efficiency of the ball pump should comply with the provisions of Table 5. 3.3.5
Matching power/kw
Pump efficiency/(%)
Matching power/kw
Note: The efficiency of the pump with matching power of 90kW and above shall not be less than 54%. 5.5
Pump efficiency/(%)
Matching power/kw
3.3.6 Critical NPSH of spherical pump at specified speed and rated pressure. It should not be greater than 5 m. 3.3.7
The various parameters of spherical pump are parameters with oil as medium. 4 Technical requirements
4.1 Basic requirements
4.1.1 Spherical pumps shall meet the requirements of this standard and be manufactured in accordance with the drawings and technical documents approved by the prescribed procedures. 4.1.2 Spherical pumps shall be able to work normally under the specified conditions of use (such as pressure, flow, medium, etc.). 4.2 Working performance
4.2.1 The performance parameters of spherical pumps shall comply with the provisions of Article 3.3. 4.2.2 At rated pressure, its pump efficiency shall not be less than 95.5% of the specified value. At rated speed and rated pressure, its flow rate shall not be less than 95% of the rated flow rate. 4.2.3
4.3 Operation requirements
4.3.1 When operating at rated pressure, the leakage at the shaft seal shall not exceed 4 mL per hour. When operating at rated pressure, the temperature rise of the bearing seat surface shall not be greater than 30℃ of the ambient temperature. 4.3.2
When operating at 1.2 times the rated pressure, it should not exceed the matching power. 4.3.3
When operating at 1.3 times the rated pressure for 15 minutes, there shall be no abnormal phenomena such as damage to parts. When operating under rated conditions, the noise shall comply with the provisions of Table 6. 4
Pump efficiency/(%)
Matching power/kW
4.4 Safety
QB/T 1699-—1993
Noise value/dB(A)
Matching power/kW
Noise value/dB(A)
4.4.1 For ball pumps equipped with safety valves or relief valves, the opening pressure shall be adjusted to 1.15~1.30 times the rated pressure, and the discharge pressure shall not be greater than 1.1 times the opening pressure.
4.4.2 The transmission parts of ball pumps shall have safety protection measures. 4.5 Reliability
4.5.1 Failure
According to the cause and the degree of impact on the normal operation of the ball pump, it is divided into three categories: serious failure: the main parts are seriously damaged and cannot be eliminated in a short time with spare parts; a.
General failure: product function declines, and the failure can be eliminated in a shorter time by replacing the wearing parts, minor failure: does not affect the product function and use requirements, and can be easily eliminated without disassembling the machine, c.
Mean trouble-free working time
When the ball pump is running under rated conditions, the average trouble-free working time: with oil as the medium should not be less than 200 hours, and other media should not be less than 100 hours.
4.5.3 Durability
4.5.3.1 When the ball pump is running under rated conditions, the cumulative working time: 2000 hours for oil and 1000 hours for other media. 4.5.3.2 During the endurance test, except for maintenance and replacement of wearing parts according to the requirements specified by the manufacturer, no other parts shall be replaced.
4.5.3.3 After the endurance test, the following requirements shall be met: a.
The pump efficiency is allowed to decrease by 0.04% compared with the specified value; the volumetric efficiency is allowed to decrease by 0.05% compared with the specified value. 4.6 Component processing quality
The processing accuracy of the main components of the ball pump shall not be lower than that specified in Table 7. 4.6.1
Parts name
Rotor cross block
Rotor hemisphere
Rotor shaft
Dimension tolerance
Axis diameter
Hemisphere hole
Axle bushing
Bearing
Pulley
Seal hole
Roughness R, value/μm
Verticality
Verticality
Coaxiality
Coaxiality
QB/T1699—1993
4.6.2The limit deviation of the parts without tolerance shall comply with the provisions of GB/T14253. 4.6.3The surface of the main shaft seal and bearing shall be tempered and its hardness shall be guaranteed within HRC45~48. 4.6.4 All components that bear pressure shall be subjected to hydraulic (gas) pressure test without leakage. The test pressure shall be 1.5 times the rated pressure for 5 minutes.
4.6.5 The item qualification rate of main components shall not be less than 90%. 4.7 The materials of main components shall not be less than those specified in Table 8. Table 8
Component name
Rotor cross block
Rotor hemisphere
Material name
Ductile iron
Ductile iron
Gray cast iron
Gray cast iron
QT50-5
QT50-5
The outer diameter of the ball of the spherical pump shall be selected from the following series: 80, 135, 180, 210, 250, 300, 350, 400mm. 4.8
4.9 Assembly and appearance requirements
Components can only be assembled after they have passed the inspection. 4. 9. 1
The assembly of seals and bearings shall comply with the provisions of GB/T14253. 4.9.2
All fasteners shall be connected reliably and shall not be missing or loose. 4.9.4 The assembled ball pump shall be able to rotate without obstruction or other phenomena. 4.9.5 The appearance of the ball pump shall have a uniform color and be free of flow marks, stains, etc. 4.9.6 The ball pump (unit) shall have a steering mark. Test method
General requirements for tests
The test of the ball pump shall be carried out in accordance with the provisions of this standard. 5. 1. 1
All instruments and meters used for measurement shall have a calibration certificate or report and be calibrated regularly. 5. 1.2
The accuracy of each measuring instrument and meter shall meet the requirements of Table 9. Table 9
Name of Instrument and Meter
Pressure Gauge
Flow Meter
Noise Meter
Thermometer
Power Meter
Current Sensor
Voltage and Ampere Meter
Factory Inspection
±1℃
Type Inspection
QB/T1699—1993
Spherical Pump Test Device (Recommended) is shown in Figure 1. 6
1—Power measurement system; 2—Electric motor; 3—Spherical pump; 4—Inlet pressure gauge; 5—Regulating valve; 6—Medium container (tank); 7—Regulating valve; 8—Flowmeter, 9 Outlet pressure gaugeFigure 1 Test device of spherical pump
5.1.5 The test of spherical pump shall be carried out at rated voltage and rated frequency. 5.1.6 The test medium is a mixture of No. 30 engine oil and No. 0 diesel oil, with a ratio of 6:45.1.7 During the test, the allowable fluctuation range of the instrument and meter indication value of each measurement parameter shall comply with the provisions of Table 10. Table 10
Measured parameters
Discharge pressure
Suction pressure
The measurement of spherical pump power can be carried out by any of the following methods. 5.1.8E
Rated voltage load method (loss analysis method); direct method.
Allowable fluctuation range/(%)
5.1.9Except the methods specified in this standard, other methods that meet the requirements of relevant standards can be used. 5.2 Operation test
5.2. 1 The operation test should be carried out with the outlet and inlet pipeline valves fully open, and the seal should be adjusted for operation for no less than 0.5 h. 5.2.2 After operation, gradually adjust the pressure to the rated pressure and operate for 0.5 h. 5.2.3 Check the seal leakage.
5.2.4 Measure the noise at the front, back, left, right and top of the ball pump 1m away, and the value should comply with the provisions of 4.3.5. 5.2.5 Measure the temperature rise at the bearing seat, and the value should comply with the provisions of 4.3.2. 5.3 Performance test
5.3.1 The performance test should be carried out after the operation test. 5.3.2 During the test, the relationship between flow rate, shaft power, pump efficiency, specified speed and pressure difference should be determined, and the performance curve should be drawn. 5.3.3 During the performance test, the pressure should be increased from 10% to 120% of the rated pressure value starting from the fully open state of the outlet pipeline valve. During this period, the measurement should be no less than 12 points. At each pressure, the inlet pressure, outlet pressure, speed, input power, voltage and current values ​​should be measured at the same time. 5.4 Cavitation test
5.4.1 The cavitation test should determine the relationship between the flow rate and the net suction pressure head (HPSN), and find out the net suction pressure head (HPSN) required for the ball pump.
5.4.2 The cavitation test should be carried out after the performance test. QB/T 1699--1993
5.4.3 The test should be carried out at the rated pressure and maximum speed. The NPSH starts from the maximum value (the suction pipeline valve is fully open), and the values ​​are measured according to the provisions of 5.3.3, and then the NPSH is gradually reduced until the flow rate is 5% to 10% lower than the normal flow rate. 5.4.4 Critical NPSH. Determine as follows: When other conditions remain unchanged, the flow rate of the ball pump drops to 3%. 5.5 Pressure test of the whole machine
5.5.1 This test should be carried out after the performance test. 5.5.2 During the test, close the outlet pipeline valve, increase the pressure to 1.30 times the rated pressure, run for 15 minutes, and check the working conditions of each component.
5.6 Safety device (only for ball pumps equipped with safety devices) 5.6.1 The test of the safety device is carried out after the pressure test of the whole machine. 5.6.2 During the test, gradually close the discharge pipeline valve and increase the pressure. At the starting pressure specified in 4.4.1, the safety valve should be able to operate correctly. The test should be carried out for no less than three times.
5.7 Parameter measurement
5.7.1 Pressure measurement
5.7.1.1 The pressure shall be measured by a spring-loaded pressure gauge or pressure sensor or other forms of pressure gauge. The measured value shall be guaranteed to be within one-third to two-thirds of the instrument's range. 5.7.1.2 The location of the pressure measuring hole shall be set at a distance of 2 times the diameter of the suction and discharge ports of the ball pump, and its aperture shall be 2 to 6 mm. If limited by the structural size of the ball pump, the distance between the pressure measuring hole and the suction and discharge ports may be appropriately increased, so as not to affect the measurement accuracy.
5.7.2 Flow measurement
The flow measurement shall be carried out by a rotor flowmeter. Other methods shall comply with the relevant national standards. 5.7.3 Speed ​​measurement
When conditions permit, the speed measurement shall be carried out by using a digital photoelectric sensor or a handheld centrifugal tachometer. Other methods shall comply with the relevant national standards.
5.7.4 Temperature rise measurement
5.7.4.1 Temperature rise measurement is carried out by using a point-contact thermometer. 5.7.4.2 The measured temperature value shall be subtracted from the medium temperature to obtain the measured temperature rise value. The measurement shall be conducted at least three times, and each measurement time shall be 1 minute. 5.7.5 Power measurement
5.7.5.1 Power measurement shall be conducted in accordance with GB/T1032. 5.7.5.2 Power measurement shall be conducted at the rated voltage and rated frequency and at the pressure and flow rate of the ball pump at the same time. 5.7.6 Noise measurement
5.7.6.1 Noise measurement is conducted by using a noise meter. 5.7.6.2 Noise shall be measured three times. When measuring, the measurement shall be conducted at 1m in front, back, left, right and top of the center of the ball pump, and the arithmetic average shall be taken as the measured noise value.
5.7.7 Reliability test
5.7.7.1 The ball pump should be operated under rated working conditions to assess its reliability. The assessment of mean trouble-free working time and durability test time can be combined. In this case, the durability test time includes the mean trouble-free working time. 5.7.7.2 During the test, the number of failures during the operating time and the corresponding working time and the cause of the failure should be recorded. 5.7.7.3 Minor failures that do not require disassembly for elimination are not counted. 5.7.7.4 For reliability assessment, any of the following methods can be used. a. Under the approval of the product quality supervision and inspection unit, statistics are collected based on the actual user use report, but not less than three user reports; it is carried out by the product quality supervision and inspection unit, but the number of prototypes should be able to meet the requirements of the reliability test. b.
QB/T 1699—1993
5.7.7.5 The performance retest after the durability test should be carried out in accordance with 5.3 and should comply with the provisions of 4.5.3.3. 5.8 Calculation of test results
5.8.1 Flow rate (rotameter)
In: Q
actual flow rate, m2/h;
scale flow rate of flowmeter, m2/h;
float density, kg/m2;
Kor e.)en
N(pr -- pn)ps
density of water (i.e. calibration medium) under calibration state, kg/m2; density of measured medium, kg/m2.
5.8.2 Pressure
Inlet pressure:
Where: p.
Inlet pressure, MPa;
ps = ps +pgZ, × 10-3
·(2)
Inlet pressure reading (negative if less than atmospheric pressure, positive otherwise), MPa, vertical distance from the center of the pressure gauge to the center plane of the spherical pump ball (reference plane), m. When the center of the pressure gauge is on the reference plane, it is positive, otherwise it is negative;
Gravity acceleration, g=9.81m/s;
Density of the test medium, kg/m3.
Discharge pressure:
Where: pa
Discharge pressure, MPa;
Discharge pressure reading, MPa;
pa pa +pgZ×103
(3)
-Vertical distance from the center of the pressure gauge to the datum plane of the spherical pump, m. When the center of the gauge is on the datum plane, it is positive, otherwise it is negative. c. Pressure difference
Where: p
Pressure difference, MPa.
5.B.3 Net cavitation head (NPSH)
Where: pb-
5.8.4 Noise
Atmospheric pressure, MPa;
Vaporization pressure, MPa.
5.8.6 Volumetric efficiency
Wherein:
Volumetric efficiency, %;
Theoretical flow rate, m/h.
5.8.7 Speed
p= pa— ps
NPSH= p. +
Noise-
Total decibels measured
Number of measurements
Temperature rise=measured temperature value
Medium temperature
0×100
ni=ng--△n
(6)
.(8)
(9)
Where: n-
-Measured speed, r/min;
-Matching motor synchronous speed, /min;
Measured slip, r/min.
5.8.8 Power
a. Current
Where: I, test current, A
Three-phase current reading during the test, grid, Ax--ammeter multiple, A/grid.
Motor stator copper loss
Where: Pcu,
Motor stator copper loss, W;
QB/T1699-1993
A1 +A2+A
Pcu, = 3 · Ri
R, The motor winding resistance measured at the end of the test, 0. Iron loss (Pre) is obtained from the no-load test;
mechanical loss (Pf) is obtained from the no-load test; stray loss (Pa) is obtained according to experience;
rotor copper loss (Pcu);
Pcu [P --(Pcu, +Pr)JXS
where: Pcu,
rotor copper loss, W
measured motor input power, W,
S-slip rate, % ;
S calculation:
S = n = n ×100
motor output power
Prz = Pn-(Pfw+ PFe+ P,+Pcu, +Pcu, + Pcu,)where: Pz
motor output power, W.
5.8.9 Pump efficiency
Where: m
Pump efficiency, %.
PQ×100
5.8. 10 The flow rate (Q.) and shaft power (Pr2) converted to the specified speed (nep) are determined according to formula (16) and formula (17): Q. = Q(np)
Prz Prz(ne
Wherein: nep
-specified speed, r/min;
Q. Flow converted to specified speed, m/h; Pr2o——shaft power converted to specified speed, W. 5.8.11 Draw the performance curve of the spherical pump Q =f(p), Pr2o f(p), n= f(p), m =f(p), as shown in Figure 2. 304
(10)
·(11)
(13)
(14)
(15)
·(16)
.( 17 )
5.8.12 Reliability
Pazov2ofnpn
QB/T 1699--1993
Figure 2 Performance curve of ball pump
n,=f(p)
np= f(P)
5.8.12.1 When the test adopts the timed cut-off method, the test (cut-off) time shall comply with the provisions of 4.5. Its mean trouble-free working time MT-BF is determined according to formula (18):
Where: n—-number of test prototypes;
test cut-off time, h;
the total number of failures of the prototypes during the test cut-off time. When r=0, calculate according to r-1. + (18)
5.8.12.2 When the test adopts the fixed number cut-off method, the test shall be carried out until the number of prototypes that fail is not less than two-thirds of the number of test prototypes. Its mean trouble-free working time MTBF is determined according to formula (19): MTBF -t+t++t
Where.t..t.......
5.9 Test report
Test time of the 1st, 2nd and nth prototypes.
(19)
The test results shall be carefully checked and collated into a report after verification. The test report shall be signed by the person in charge and the participants. The test report shall generally include the following contents: a.
Test location, date, personnel, test unit (stamp); test nature;
Manufacturer name, product model and number; test operating conditions (environment, medium); description of test methods and the use of measuring instruments and meters, test measurement values;|| tt||Test results (including performance curves);
Conclusion.
Inspection rules
Basic requirements
QB/T1699-—1993
6.1.1Each product shall be inspected and qualified by the inspection department and accompanied by a product certificate and attachments before it can leave the factory. 6.1.2 Inspection is divided into factory inspection and type inspection. 6.2 Factory inspection
Inspection items
Appearance inspection;
Assembly quality inspection;
Operation test;
Flow rate under rated pressure;
Safety inspection.
Each product shall be inspected before leaving the factory.
Type inspection
The items of type inspection are all the technical requirements specified in this standard. Type inspection shall be carried out in any of the following situations. Trial design and appraisal of new products or old products transferred to the factory for production; after formal production, if there are major changes in structure, materials, and processes that may affect product performance, for batch production, periodic inspection is carried out to understand the stability of product quality; when the product resumes production after a long period of suspension; when the factory inspection results are significantly different from the last type inspection, the national quality supervision agency proposes type inspection requirements. The type inspection prototype is 2 units, and it should meet the requirements of all technical project inspections. Marking, packaging, transportation, purchase and storage
7.1 Marking
7.1.1 Product marking
7.1.1.1 The label should comply with the provisions of GB/T13306. 7.1.1.2 The content of the label shall be as follows: a.
Product model and name;
Rated flow, m/h,
Rated pressure, MPa;
Matching motor power, kW;
Speed, r/min
Manufacturer name:
Factory number and date;
Product weight, kg,
Overall dimensions, mm.
Packing mark
The words and marks on the outer shape of the packaging box shall be neat and clear, and the content shall be as follows: a.
Shipping station and manufacturer name;
Receiving station and receiving unit name;
Product model name;
Overall dimensions and gross weight;
Necessary words and diagrams shall be marked on appropriate parts of the packaging box, and shall comply with the provisions of GB/T191. e.
7.2 Packaging
QB/T 1699—1993
The packaging of ball pumps should be able to ensure that they will not be damaged due to improper packaging under normal transportation conditions. 7.2.21
The packaging box should be waterproof. Before packaging, the exposed machined surface of the product should be coated with anti-rust grease. 7.2.31
The packaging box should be accompanied by the following documents and accessories: a.
Packing list;
Product certificate;
Product instruction manual;
Necessary accessories.
7.3 Products are shipped in full boxes.
7.4 Storage
7.4.1 The packed ball pumps should be placed in a dry and well-ventilated finished product warehouse. For temporary outdoor storage, rain and moisture protection measures should be taken. 7.4.2 Products that have been stored for more than 12 months must be unpacked for inspection and repacked. 8 Quality Assurance
When the user complies with the provisions of this standard and the product manual, if the product is damaged or cannot work properly due to quality within six months from the date of delivery by the manufacturer, the manufacturer shall be responsible for repairs (except for wearing parts). If the two parties have a dispute over product quality, the dispute shall be submitted to the relevant quality supervision department for arbitration.
Additional Notes:
This standard was proposed by the Technical Equipment Department of the Ministry of Light Industry. This standard is under the jurisdiction of the National Light Industry Machinery Standardization Center. This standard was drafted by the Light Industry Special Pump Research Institute of Jiangsu Institute of Technology, and Jiangsu Yixing Hydraulic Pump Factory participated in the drafting. The main drafters of this standard are Wang Yang, Li Long, Shi Jinming, and Zhu Jin. 3078 Power
a. Current
Where: I, test current, A
--three-phase current reading during the test, grid, Ax--ammeter multiple, A/grid.
Motor stator copper loss
Where: Pcu,
Motor stator copper loss, W;
QB/T1699-1993
A1 +A2+A
Pcu, = 3 · Ri
R, the motor winding resistance measured at the end of the test, 0. Iron loss (Pre) is obtained from the no-load test;
mechanical loss (Pf) is obtained from the no-load test; stray loss (Pa) is obtained according to experience;
rotor copper loss (Pcu);
Pcu [P --(Pcu, +Pr)JXS
where: Pcu,
rotor copper loss, W
measured motor input power, W,
S-slip rate, % ;
S calculation:
S = n = n ×100
motor output power
Prz = Pn-(Pfw+ PFe+ P,+Pcu, +Pcu, + Pcu,)where: Pz
motor output power, W.
5.8.9 Pump efficiency
Where: m
Pump efficiency, %.
PQ×100
5.8. 10 The flow rate (Q.) and shaft power (Pr2) converted to the specified speed (nep) are determined according to formula (16) and formula (17): Q. = Q(np)
Prz Prz(ne
Wherein: nep
-specified speed, r/min;
Q. Flow converted to specified speed, m/h; Pr2o——shaft power converted to specified speed, W. 5.8.11 Draw the performance curve of the spherical pump Q =f(p), Pr2o f(p), n= f(p), m =f(p), as shown in Figure 2. 304
(10)
·(11)
(13)
(14)
(15)
·(16)
.( 17 )
5.8.12 Reliability
Pazov2ofnpn
QB/T 1699--1993
Figure 2 Performance curve of ball pump
n,=f(p)
np= f(P)
5.8.12.1 When the test adopts the timed cut-off method, the test (cut-off) time shall comply with the provisions of 4.5. Its mean trouble-free working time MT-BF is determined according to formula (18):
Where: n—-number of test prototypes;
test cut-off time, h;
the total number of failures of the prototypes during the test cut-off time. When r=0, calculate according to r-1. + (18)
5.8.12.2 When the test adopts the fixed number cut-off method, the test shall be carried out until the number of prototypes that fail is not less than two-thirds of the number of test prototypes. Its mean trouble-free working time MTBF is determined according to formula (19): MTBF -t+t++t
Where.t..t.......
5.9 Test report
Test time of the 1st, 2nd and nth prototypes.
(19)
The test results shall be carefully checked and collated into a report after verification. The test report shall be signed by the person in charge and the participants. The test report shall generally include the following contents: a.
Test location, date, personnel, test unit (stamp); test nature;
Manufacturer name, product model and number; test operating conditions (environment, medium); description of test methods and the use of measuring instruments and meters, test measurement values;|| tt||Test results (including performance curves);
Conclusion.
Inspection rules
Basic requirements
QB/T1699-—1993
6.1.1Each product shall be inspected and qualified by the inspection department and accompanied by a product certificate and attachments before it can leave the factory. 6.1.2 Inspection is divided into factory inspection and type inspection. 6.2 Factory inspection
Inspection items
Appearance inspection;
Assembly quality inspection;
Operation test;
Flow rate under rated pressure;
Safety inspection.
Each product shall be inspected before leaving the factory.
Type inspection
The items of type inspection are all the technical requirements specified in this standard. Type inspection shall be carried out in any of the following situations. Trial design and appraisal of new products or old products transferred to the factory for production; after formal production, if there are major changes in structure, materials, and processes that may affect product performance, for batch production, periodic inspection is carried out to understand the stability of product quality; when the product resumes production after a long period of suspension; when the factory inspection results are significantly different from the last type inspection, the national quality supervision agency proposes type inspection requirements. The type inspection prototype is 2 units, and it should meet the requirements of all technical project inspections. Marking, packaging, transportation, purchase and storage
7.1 Marking
7.1.1 Product marking
7.1.1.1 The label should comply with the provisions of GB/T13306. 7.1.1.2 The content of the label shall be as follows: a.
Product model and name;
Rated flow, m/h,
Rated pressure, MPa;
Matching motor power, kW;
Speed, r/min
Manufacturer name:
Factory number and date;
Product weight, kg,
Overall dimensions, mm.
Packing mark
The words and marks on the outer shape of the packaging box shall be neat and clear, and the content shall be as follows: a.
Shipping station and manufacturer name;
Receiving station and receiving unit name;
Product model name;
Overall dimensions and gross weight;
Necessary words and diagrams shall be marked on appropriate parts of the packaging box, and shall comply with the provisions of GB/T191. e.
7.2 Packaging
QB/T 1699—1993
The packaging of ball pumps should ensure that they will not be damaged due to improper packaging under normal transportation conditions. 7.2.21
The packaging box should be waterproof. Before packaging, the exposed machined surface of the product should be coated with anti-rust grease. 7.2.31
The packaging box should be accompanied by the following documents and accessories: a.
Packing list;
Product certificate;
Product instruction manual;
Necessary accessories.
7.3 Products are shipped in full boxes.
7.4 Storage
7.4.1 The packed ball pumps should be placed in a dry and well-ventilated finished product warehouse. For temporary outdoor storage, rain and moisture protection measures should be taken. 7.4.2 Products that have been stored for more than 12 months must be unpacked for inspection and repacked. 8 Quality Assurance
When the user complies with the provisions of this standard and the product manual, if the product is damaged or cannot work properly due to quality within six months from the date of delivery by the manufacturer, the manufacturer shall be responsible for repairs (except for wearing parts). If the two parties have a dispute over product quality, the dispute shall be submitted to the relevant quality supervision department for arbitration.
Additional Notes:
This standard was proposed by the Technical Equipment Department of the Ministry of Light Industry. This standard is under the jurisdiction of the National Light Industry Machinery Standardization Center. This standard was drafted by the Light Industry Special Pump Research Institute of Jiangsu Institute of Technology, and Jiangsu Yixing Hydraulic Pump Factory participated in the drafting. The main drafters of this standard are Wang Yang, Li Long, Shi Jinming, and Zhu Jin. 3078 Power
a. Current
Where: I, test current, A
--three-phase current reading during the test, grid, Ax--ammeter multiple, A/grid.
Motor stator copper loss
Where: Pcu,
Motor stator copper loss, W;
QB/T1699-1993
A1 +A2+A
Pcu, = 3 · Ri
R, the motor winding resistance measured at the end of the test, 0. Iron loss (Pre) is obtained from the no-load test;
mechanical loss (Pf) is obtained from the no-load test; stray loss (Pa) is obtained according to experience;
rotor copper loss (Pcu);
Pcu [P --(Pcu, +Pr)JXS
where: Pcu,
rotor copper loss, W
measured motor input power, W,
S-slip rate, % ;
S calculation:
S = n = n ×100
motor output power
Prz = Pn-(Pfw+ PFe+ P,+Pcu, +Pcu, + Pcu,)where: Pz
motor output power, W.
5.8.9 Pump efficiency
Where: m
Pump efficiency, %.
PQ×100
5.8. 10 The flow rate (Q.) and shaft power (Pr2) converted to the specified speed (nep) are determined according to formula (16) and formula (17): Q. = Q(np)
Prz Prz(ne
Wherein: nep
-specified speed, r/min;
Q. Flow converted to specified speed, m/h; Pr2o——shaft power converted to specified speed, W. 5.8.11 Draw the performance curve of the spherical pump Q =f(p), Pr2o f(p), n= f(p), m =f(p), as shown in Figure 2. 304
(10)
·(11)
(13)
(14)
(15)
·(16)
.( 17 )
5.8.12 Reliability
Pazov2ofnpn
QB/T 1699--1993
Figure 2 Performance curve of ball pump
n,=f(p)
np= f(P)
5.8.12.1 When the test adopts the timed cut-off method, the test (cut-off) time shall comply with the provisions of 4.5. Its mean trouble-free working time MT-BF is determined according to formula (18):
Where: n—-number of test prototypes;
test cut-off time, h;
the total number of failures of the prototypes during the test cut-off time. When r=0, calculate according to r-1. + (18)
5.8.12.2 When the test adopts the fixed number cut-off method, the test shall be carried out until the number of prototypes that fail is not less than two-thirds of the number of test prototypes. Its mean trouble-free working time MTBF is determined according to formula (19): MTBF -t+t++t
Where.t..t.......
5.9 Test report
Test time of the 1st, 2nd and nth prototypes.
(19)
The test results shall be carefully checked and collated into a report after verification. The test report shall be signed by the person in charge and the participants. The test report shall generally include the following contents: a.
Test location, date, personnel, test unit (stamp); test nature;
Manufacturer name, product model and number; test operating conditions (environment, medium); description of test methods and the use of measuring instruments and meters, test measurement values;|| tt||Test results (including performance curves);
Conclusion.
Inspection rules
Basic requirements
QB/T1699-—1993
6.1.1Each product shall be inspected and qualified by the inspection department and accompanied by a product certificate and attachments before it can leave the factory. 6.1.2 Inspection is divided into factory inspection and type inspection. 6.2 Factory inspection
Inspection items
Appearance inspection;
Assembly quality inspection;
Operation test;
Flow rate under rated pressure;
Safety inspection.
Each product shall be inspected before leaving the factory.
Type inspection
The items of type inspection are all the technical requirements specified in this standard. Type inspection shall be carried out in any of the following situations. Trial design and appraisal of new products or old products transferred to the factory for production; after formal production, if there are major changes in structure, materials, and processes that may affect product performance, for batch production, periodic inspection is carried out to understand the stability of product quality; when the product resumes production after a long period of suspension; when the factory inspection results are significantly different from the last type inspection, the national quality supervision agency proposes type inspection requirements. The type inspection prototype is 2 units, and it should meet the requirements of all technical project inspections. Marking, packaging, transportation, purchase and storage
7.1 Marking
7.1.1 Product marking
7.1.1.1 The label should comply with the provisions of GB/T13306. 7.1.1.2 The content of the label shall be as follows: a.
Product model and name;
Rated flow, m/h,
Rated pressure, MPa;
Matching motor power, kW;
Speed, r/min
Manufacturer name:
Factory number and date;
Product weight, kg,
Overall dimensions, mm.
Packing mark
The words and marks on the outer shape of the packaging box shall be neat and clear, and the content shall be as follows: a.
Shipping station and manufacturer name;
Receiving station and receiving unit name;
Product model name;
Overall dimensions and gross weight;
Necessary words and diagrams shall be marked on appropriate parts of the packaging box, and shall comply with the provisions of GB/T191. e.
7.2 Packaging
QB/T 1699—1993
The packaging of ball pumps should ensure that they will not be damaged due to improper packaging under normal transportation conditions. 7.2.21
The packaging box should be waterproof. Before packaging, the exposed machined surface of the product should be coated with anti-rust grease. 7.2.31
The packaging box should be accompanied by the following documents and accessories: a.
Packing list;
Product certificate;
Product instruction manual;
Necessary accessories.
7.3 Products are shipped in full boxes.
7.4 Storage
7.4.1 The packed ball pumps should be placed in a dry and well-ventilated finished product warehouse. For temporary outdoor storage, rain and moisture protection measures should be taken. 7.4.2 Products that have been stored for more than 12 months must be unpacked for inspection and repacked. 8 Quality Assurance
When the user complies with the provisions of this standard and the product manual, if the product is damaged or cannot work properly due to quality within six months from the date of delivery by the manufacturer, the manufacturer shall be responsible for repairs (except for wearing parts). If the two parties have a dispute over product quality, the dispute shall be submitted to the relevant quality supervision department for arbitration.
Additional Notes:
This standard was proposed by the Technical Equipment Department of the Ministry of Light Industry. This standard is under the jurisdiction of the National Light Industry Machinery Standardization Center. This standard was drafted by the Light Industry Special Pump Research Institute of Jiangsu Institute of Technology, and Jiangsu Yixing Hydraulic Pump Factory participated in the drafting. The main drafters of this standard are Wang Yang, Li Long, Shi Jinming, and Zhu Jin. 307% ;
Calculation of S:
S = n = n ×100
Motor output power
Prz = Pn-(Pfw+ PFe+ P,+Pcu, +Pcu, + Pcu,) Where: Pz
Motor output power, W.
5.8.9 Pump efficiency
Where: m
Pump efficiency, %.
PQ×100
5.8. 10 The flow rate (Q.) and shaft power (Pr2) converted to the specified speed (nep) are determined according to formula (16) and formula (17): Q. = Q(np)
Prz Prz(ne
Wherein: nep
-specified speed, r/min;
Q. Flow converted to specified speed, m/h; Pr2o——shaft power converted to specified speed, W. 5.8.11 Draw the performance curve of the spherical pump Q =f(p), Pr2o f(p), n= f(p), m =f(p), as shown in Figure 2. 304
(10)
·(11)
(13)
(14)
(15)
·(16)
.( 17 )
5.8.12 Reliability
Pazov2ofnpn
QB/T 1699--1993
Figure 2 Performance curve of ball pump
n,=f(p)
np= f(P)
5.8.12.1 When the test adopts the timed cut-off method, the test (cut-off) time shall comply with the provisions of 4.5. Its mean trouble-free working time MT-BF is determined according to formula (18):
Where: n—-number of test prototypes;
test cut-off time, h;
the total number of failures of the prototypes during the test cut-off time. When r=0, calculate according to r-1. + (18)
5.8.12.2 When the test adopts the fixed number cut-off method, the test shall be carried out until the number of prototypes that fail is not less than two-thirds of the number of test prototypes. Its mean trouble-free working time MTBF is determined according to formula (19): MTBF -t+t++t
Where.t..t.......
5.9 Test report
Test time of the 1st, 2nd and nth prototypes.
(19)
The test results shall be carefully checked and collated into a report after verification. The test report shall be signed by the person in charge and the participants. The test report shall generally include the following contents: a.
Test location, date, personnel, test unit (stamp); test nature;
Manufacturer name, product model and number; test operating conditions (environment, medium); description of test methods and the use of measuring instruments and meters, test measurement values;|| tt||Test results (including performance curves);
Conclusion.
Inspection rules
Basic requirements
QB/T1699-—1993
6.1.1Each product shall be inspected and qualified by the inspection department and accompanied by a product certificate and attachments before it can leave the factory. 6.1.2 Inspection is divided into factory inspection and type inspection. 6.2 Factory inspection
Inspection items
Appearance inspection;
Assembly quality inspection;
Operation test;
Flow rate under rated pressure;
Safety inspection.
Each product shall be inspected before leaving the factory.
Type inspection
The items of type inspection are all the technical requirements specified in this standard. Type inspection shall be carried out in any of the following situations. Trial design and appraisal of new products or old products transferred to the factory for production; after formal production, if there are major changes in structure, materials, and processes that may affect product performance, for batch production, periodic inspection is carried out to understand the stability of product quality; when the product resumes production after a long period of suspension; when the factory inspection results are significantly different from the last type inspection, the national quality supervision agency proposes type inspection requirements. The type inspection prototype is 2 units, and it should meet the requirements of all technical project inspections. Marking, packaging, transportation, purchase and storage
7.1 Marking
7.1.1 Product marking
7.1.1.1 The label should comply with the provisions of GB/T13306. 7.1.1.2 The content of the label shall be as follows: a.
Product model and name;
Rated flow, m/h,
Rated pressure, MPa;
Matching motor power, kW;
Speed, r/min
Manufacturer name:
Factory number and date;
Product weight, kg,
Overall dimensions, mm.
Packing mark
The words and marks on the outer shape of the packaging box shall be neat and clear, and the content shall be as follows: a.
Shipping station and manufacturer name;
Receiving station and receiving unit name;
Product model name;
Overall dimensions and gross weight;
Necessary words and diagrams shall be marked on appropriate parts of the packaging box, and shall comply with the provisions of GB/T191. e.
7.2 Packaging
QB/T 1699—1993
The packaging of ball pumps should ensure that they will not be damaged due to improper packaging under normal transportation conditions. 7.2.21
The packaging box should be waterproof. Before packaging, the exposed machined surface of the product should be coated with anti-rust grease. 7.2.31
The packaging box should be accompanied by the following documents and accessories: a.
Packing list;
Product certificate;
Product instruction manual;
Necessary accessories.
7.3 Products are shipped in full boxes.
7.4 Storage
7.4.1 The packed ball pumps should be placed in a dry and well-ventilated finished product warehouse. For temporary outdoor storage, rain and moisture protection measures should be taken. 7.4.2 Products that have been stored for more than 12 months must be unpacked for inspection and repacked. 8 Quality Assurance
When the user complies with the provisions of this standard and the product manual, if the product is damaged or cannot work properly due to quality within six months from the date of delivery by the manufacturer, the manufacturer shall be responsible for repairs (except for wearing parts). If the two parties have a dispute over product quality, the dispute shall be submitted to the relevant quality supervision department for arbitration.
Additional Notes:
This standard was proposed by the Technical Equipment Department of the Ministry of Light Industry. This standard is under the jurisdiction of the National Light Industry Machinery Standardization Center. This standard was drafted by the Light Industry Special Pump Research Institute of Jiangsu Institute of Technology, and Jiangsu Yixing Hydraulic Pump Factory participated in the drafting. The main drafters of this standard are Wang Yang, Li Long, Shi Jinming, and Zhu Jin. 307% ;
Calculation of S:
S = n = n ×100
Motor output power
Prz = Pn-(Pfw+ PFe+ P,+Pcu, +Pcu, + Pcu,) Where: Pz
Motor output power, W.
5.8.9 Pump efficiency
Where: m
Pump efficiency, %.
PQ×100
5.8. 10 The flow rate (Q.) and shaft power (Pr2) converted to the specified speed (nep) are determined according to formula (16) and formula (17): Q. = Q(np)
Prz Prz(ne
Wherein: nep
-specified speed, r/min;
Q. Flow converted to specified speed, m/h; Pr2o——shaft power converted to specified speed, W. 5.8.11 Draw the performance curve of the spherical pump Q =f(p), Pr2o f(p), n= f(p), m =f(p), as shown in Figure 2. 304
(10)
·(11)
(13)
(14)
(15)
·(16)
.( 17 )
5.8.12 Reliability
Pazov2ofnpn
QB/T 1699--1993
Figure 2 Performance curve of ball pump
n,=f(p)
np= f(P)
5.8.12.1 When the test adopts the timed cut-off method, the test (cut-off) time shall comply with the provisions of 4.5. Its mean trouble-free working time MT-BF is determined according to formula (18):
Where: n—-number of test prototypes;
test cut-off time, h;
the total number of failures of the prototypes during the test cut-off time. When r=0, calculate according to r-1. + (18)
5.8.12.2 When the test adopts the fixed number cut-off method, the test shall be carried out until the number of prototypes that fail is not less than two-thirds of the number of test prototypes. Its mean trouble-free working time MTBF is determined according to formula (19): MTBF -t+t++t
Where.t..t.......
5.9 Test report
Test time of the 1st, 2nd and nth prototypes.
(19)
The test results shall be carefully checked and collated into a report after verification. The test report shall be signed by the person in charge and the participants. The test report shall generally include the following contents: a.
Test location, date, personnel, test unit (stamp); test nature;
Manufacturer name, product model and number; test operating conditions (environment, medium); description of test methods and the use of measuring instruments and meters, test measurement values;|| tt||Test results (including performance curves);
Conclusion.
Inspection rules
Basic requirements
QB/T1699-—1993
6.1.1Each product shall be inspected and qualified by the inspection department and accompanied by a product certificate and attachments before it can leave the factory. 6.1.2 Inspection is divided into factory inspection and type inspection. 6.2 Factory inspection
Inspection items
Appearance inspection;
Assembly quality inspection;
Operation test;
Flow rate under rated pressure;
Safety inspection.
Each product shall be inspected before leaving the factory.
Type inspection
The items of type inspection are all the technical requirements specified in this standard. Type inspection shall be carried out in any of the following situations. Trial design and appraisal of new products or old products transferred to the factory for production; after formal production, if there are major changes in structure, materials, and processes that may affect product performance, for batch production, periodic inspection is carried out to understand the stability of product quality; when the product resumes production after a long period of suspension; when the factory inspection results are significantly different from the last type inspection, the national quality supervision agency proposes type inspection requirements. The type inspection prototype is 2 units, and it should meet the requirements of all technical project inspections. Marking, packaging, transportation, purchase and storage
7.1 Marking
7.1.1 Product marking
7.1.1.1 The label should comply with the provisions of GB/T13306. 7.1.1.2 The content of the label shall be as follows: a.
Product model and name;
Rated flow, m/h,
Rated pressure, MPa;
Matching motor power, kW;
Speed, r/min
Manufacturer name:
Factory number and date;
Product weight, kg,
Overall dimensions, mm.
Packing mark
The words and marks on the outer shape of the packaging box shall be neat and clear, and the content shall be as follows: a.
Shipping station and manufacturer name;
Receiving station and receiving unit name;
Product model name;
Overall dimensions and gross weight;
Necessary words and diagrams shall be marked on appropriate parts of the packaging box, and shall comply with the provisions of GB/T191. e.
7.2 Packaging
QB/T 1699—1993
The packaging of ball pumps should ensure that they will not be damaged due to improper packaging under normal transportation conditions. 7.2.21
The packaging box should be waterproof. Before packaging, the exposed machined surface of the product should be coated with anti-rust grease. 7.2.31
The packaging box should be accompanied by the following documents and accessories: a.
Packing list;
Product certificate;
Product instruction manual;
Necessary accessories.
7.3 Products are shipped in full boxes.
7.4 Storage
7.4.1 The packed ball pumps should be placed in a dry and well-ventilated finished product warehouse. For temporary outdoor storage, rain and moisture protection measures should be taken. 7.4.2 Products that have been stored for more than 12 months must be unpacked for inspection and repacked. 8 Quality Assurance
When the user complies with the provisions of this standard and the product manual, if the product is damaged or cannot work properly due to quality within six months from the date of delivery by the manufacturer, the manufacturer shall be responsible for repairs (except for wearing parts). If the two parties have a dispute over product quality, the dispute shall be submitted to the relevant quality supervision department for arbitration.
Additional Notes:
This standard was proposed by the Technical Equipment Department of the Ministry of Light Industry. This standard is under the jurisdiction of the National Light Industry Machinery Standardization Center. This standard was drafted by the Light Industry Special Pump Research Institute of Jiangsu Institute of Technology, and Jiangsu Yixing Hydraulic Pump Factory participated in the drafting. The main drafters of this standard are Wang Yang, Li Long, Shi Jinming, and Zhu Jin. 3075. The mean time between failures MT-BF is determined by formula (18):
Where: n—number of test prototypes;
test cutoff time, h;
the total number of prototype failures within the test cutoff time. When r=0, calculate as r-1. + (18)
5.8.12.2 When the test adopts the fixed number cutoff method, the test is stopped until the number of prototypes that fail is not less than two-thirds of the number of test prototypes. The mean time between failures MTBF is determined by formula (19): MTBF -t+t++t
Where.t..t.......
5.9 Test report
Test time of the 1st, 2nd, and nth prototypes.
(19)
The test results should be carefully checked and collated into a report after verification. The test report should be signed by the test person in charge and the participants. The test report should generally include the following contents: a.
Test location, date, personnel, test unit (stamp); test nature;
Manufacturer name, product model, number; test operating conditions (environment, medium); description of the test method and the use of measuring instruments and meters, test measurement values;
Test results (including performance curves);
Conclusion. Www.bzxZ.net
Inspection rules
Basic requirements
QB/T1699-—1993
6.1.1 Each product should be inspected and qualified by the inspection department and accompanied by a product certificate and attachments before it can leave the factory. 6.1.2 Inspection is divided into factory inspection and type inspection. 6.2 Factory inspection
Inspection items
Appearance inspection;
Assembly quality inspection;
Operation test;
Flow rate under rated pressure;
Safety inspection.
Each product shall be inspected before delivery.
Type inspection
Type inspection items are all technical requirements specified in this standard. Type inspection shall be carried out in any of the following cases. Trial production and identification of new products or old products transferred to the factory for production; After formal production, if there are major changes in structure, materials, and processes that may affect product performance, for batch production, periodic inspection shall be carried out to understand the stability of product quality; When the product resumes production after a long period of suspension;
When the factory inspection results are significantly different from the last type inspection, when the national quality supervision agency proposes type inspection requirements. The number of prototypes for type inspection is 2, and they shall meet the requirements of all technical items inspection. Marking, packaging, transportation, purchase and storage
7.1 Marking
7.1.1 Product marking
7.1.1.1 The label shall comply with the provisions of GB/T13306. 7.1.1.2 The content of the label shall be as follows: a.
Product model and name;
Rated flow, m/h,
Rated pressure, MPa;
Matching motor power, kW;
Speed, r/min
Manufacturer name:
Factory number and date;
Product weight, kg,
Overall dimensions, mm.
Packaging Marks
The words and marks on the packaging box should be neat and clear, and the contents are as follows: a.
Shipping station and manufacturer name;
Receiving station and receiving unit name;
Product model name;
Outer dimensions and gross weight;
Necessary words and diagrams should be marked on the appropriate parts of the packaging box, and should comply with the provisions of GB/T191. e.
7.2 Packaging
QB/T 1699—1993
The packaging of ball pumps should ensure that they will not be damaged due to poor packaging under normal transportation conditions. 7.2.21
The packaging box should be waterproof, and the exposed machined surface of the product should be coated with anti-rust grease before packaging. 7.2.31
The following documents and accessories should be included in the packing box: a.
Packing list;
Product certificate;
Product manual;
Necessary accessories.
7.3 Products are shipped in full boxes.
7.4 Storage
7.4.1 The packed ball pumps should be placed in a dry and well-ventilated finished product warehouse. For temporary outdoor storage, rain and moisture protection measures should be taken. 7.4.2 For those stored for more than 12 months, they must be unpacked for inspection and repacked. 8 Quality Assurance
When the user complies with the provisions of this standard and the product manual, if the product is damaged or cannot work properly due to the quality within six months from the date of delivery by the manufacturer, the manufacturer shall be responsible for repair (except for wearing parts). If the two parties have a dispute over the product quality, it shall be submitted to the relevant quality supervision department for arbitration.
Additional Notes:
This standard was proposed by the Technical Equipment Department of the Ministry of Light Industry. This standard is under the jurisdiction of the National Light Industry Machinery Standardization Center. This standard was drafted by the Light Industry Special Pump Research Institute of Jiangsu Institute of Technology, and Jiangsu Yixing Hydraulic Pump Factory participated in the drafting. The main drafters of this standard are Wang Yang, Li Long, Shi Jinming, and Zhu Jin. 3075. The mean time between failures MT-BF is determined by formula (18):
Where: n—number of test prototypes;
test cutoff time, h;
the total number of prototype failures within the test cutoff time. When r=0, calculate as r-1. + (18)
5.8.12.2 When the test adopts the fixed number cutoff method, the test is stopped until the number of prototypes that fail is not less than two-thirds of the number of test prototypes. The mean time between failures MTBF is determined by formula (19): MTBF -t+t++t
Where.t..t.......
5.9 Test report
Test time of the 1st, 2nd, and nth prototypes.
(19)
The test results should be carefully checked and collated into a report after verification. The test report should be signed by the test person in charge and the participants. The test report should generally include the following contents: a.
Test location, date, personnel, test unit (stamp); test nature;
Manufacturer name, product model, number; test operating conditions (environment, medium); description of the test method and the use of measuring instruments and meters, test measurement values;
Test results (including performance curves);
Conclusion.
Inspection rules
Basic requirements
QB/T1699-—1993
6.1.1 Each product should be inspected and qualified by the inspection department and accompanied by a product certificate and attachments before it can leave the factory. 6.1.2 Inspection is divided into factory inspection and type inspection. 6.2 Factory inspection
Inspection items
Appearance inspection;
Assembly quality inspection;
Operation test;
Flow rate under rated pressure;
Safety inspection.
Each product shall be inspected before delivery.
Type inspection
Type inspection items are all technical requirements specified in this standard. Type inspection shall be carried out in any of the following cases. Trial production and identification of new products or old products transferred to the factory for production; After formal production, if there are major changes in structure, materials, and processes that may affect product performance, for batch production, periodic inspection shall be carried out to understand the stability of product quality; When the product resumes production after a long period of suspension;
When the factory inspection results are significantly different from the last type inspection, when the national quality supervision agency proposes type inspection requirements. The number of prototypes for type inspection is 2, and they shall meet the requirements of all technical items inspection. Marking, packaging, transportation, purchase and storage
7.1 Marking
7.1.1 Product marking
7.1.1.1 The label shall comply with the provisions of GB/T13306. 7.1.1.2 The content of the label shall be as follows: a.
Product model and name;
Rated flow, m/h,
Rated pressure, MPa;
Matching motor power, kW;
Speed, r/min
Manufacturer name:
Factory number and date;
Product weight, kg,
Overall dimensions, mm.
Packaging Marks
The words and marks on the packaging box should be neat and clear, and the contents are as follows: a.
Shipping station and manufacturer name;
Receiving station and receiving unit name;
Product model name;
Outer dimensions and gross weight;
Necessary words and diagrams should be marked on the appropriate parts of the packaging box, and should comply with the provisions of GB/T191. e.
7.2 Packaging
QB/T 1699—1993
The packaging of ball pumps should ensure that they will not be damaged due to poor packaging under normal transportation conditions. 7.2.21
The packaging box should be waterproof, and the exposed machined surface of the product should be coated with anti-rust grease before packaging. 7.2.31
The following documents and accessories should be included in the packing box: a.
Packing list;
Product certificate;
Product manual;
Necessary accessories.
7.3 Products are shipped in full boxes.
7.4 Storage
7.4.1 The packed ball pumps should be placed in a dry and well-ventilated finished product warehouse. For temporary outdoor storage, rain and moisture protection measures should be taken. 7.4.2 For those stored for more than 12 months, they must be unpacked for inspection and repacked. 8 Quality Assurance
When the user complies with the provisions of this standard and the product manual, if the product is damaged or cannot work properly due to the quality within six months from the date of delivery by the manufacturer, the manufacturer shall be responsible for repair (except for wearing parts). If the two parties have a dispute over the product quality, it shall be submitted to the relevant quality supervision department for arbitration.
Additional Notes:
This standard was proposed by the Technical Equipment Department of the Ministry of Light Industry. This standard is under the jurisdiction of the National Light Industry Machinery Standardization Center. This standard was drafted by the Light Industry Special Pump Research Institute of Jiangsu Institute of Technology, and Jiangsu Yixing Hydraulic Pump Factory participated in the drafting. The main drafters of this standard are Wang Yang, Li Long, Shi Jinming, and Zhu Jin. 30731
The following documents and accessories should be included in the packing box: a.
Packing list;
Product certificate;
Product manual;
Necessary accessories.
7.3 Products are shipped in full boxes.
7.4 Storage
7.4.1 The packed ball pumps should be placed in a dry and well-ventilated finished product warehouse. For temporary outdoor storage, rain and moisture-proof measures should be taken. 7.4.2 For those stored for more than 12 months, they must be unpacked for inspection and repacked. 8 Quality Assurance
When the user complies with the provisions of this standard and the product manual, if the product is damaged or cannot work normally due to the quality within six months from the date of delivery by the manufacturer, the manufacturer shall be responsible for repair (except for wearing parts). If the two parties have a dispute over the product quality, it shall be submitted to the relevant quality supervision department for arbitration.
Additional Notes:
This standard was proposed by the Technical Equipment Department of the Ministry of Light Industry. This standard is under the jurisdiction of the National Light Industry Machinery Standardization Center. This standard was drafted by the Light Industry Special Pump Research Institute of Jiangsu Institute of Technology, and Jiangsu Yixing Hydraulic Pump Factory participated in the drafting. The main drafters of this standard are Wang Yang, Li Long, Shi Jinming, and Zhu Jin. 30731
The following documents and accessories should be included in the packing box: a.
Packing list;
Product certificate;
Product manual;
Necessary accessories.
7.3 Products are shipped in full boxes.
7.4 Storage
7.4.1 The packed ball pumps should be placed in a dry and well-ventilated finished product warehouse. For temporary outdoor storage, rain and moisture-proof measures should be taken. 7.4.2 For those stored for more than 12 months, they must be unpacked for inspection and repacked. 8 Quality Assurance
When the user complies with the provisions of this standard and the product manual, if the product is damaged or cannot w
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