This standard specifies the product classification, technical requirements, test methods and inspection rules of plunger and piston diaphragm pumps. This standard is applicable to plunger and piston diaphragm pumps used to transport suspended solids and granular materials. Other types of diaphragm pumps can also be used as a reference. QB/T 3668-1999 Diaphragm Pump QB/T3668-1999 Standard Download Decompression Password: www.bzxz.net

Classification number: Y93
Light Industry Standard of the People's Republic of China
0B/T36681999
Generation 2B/1Y93002-1989
Diaphragm Pump
1999-04-21 Release
State Bureau of Light Industry
1999-04-21 Implementation
QB/T3663-1999
The standard is the original professional standard ZBTY93002-1989, which was converted to QB/T3668-1999 through the State Light Industry Bureau [[999] No. 112 document, and the content remains unchanged. This standard is proposed by the State Bureau of Light Industry and is under the jurisdiction of the Jin Guo Shang Liang Mechanical Standardization Technical Committee. The responsible persons for this standard are Chaonan Province Lu Porcelain Machinery Factory and Huang Dede Porcelain Machinery Factory. The main contributors to this standard are Zhao Cao, Ou Xiang, Yang Mingwei, Xingsao and Liu Jike. 4 From the time of implementation, this standard will replace the light industry professional standard ZB/TY93002-1989 diaphragm pump issued by the former Ministry of Light Industry.
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Light Industry Industry Standard of the People's Republic of China
Diaphragm Pump
1 Subject Content and Applicable Scope
QR/T3668-1999
ZR/TY93D02-1989
This standard specifies the product classification, technical requirements, test methods and inspection rules of plug-in type and sealed type diaphragm pumps. This standard is applicable to plug-in type and seat-type diaphragm pumps for conveying slurry containing floating solid particles. Other types of diaphragm pumps can also be used accordingly.
2 Reference standardsbzxz.net
ZY001 Product model compilation method for daily-use ceramic machinery0B42 General technical conditions for light industrial machinery and scales7Ba0004 Determination of sound pressure level of metal scraping machinesCB181 Packaging, storage and transportation diagrams and punctuation
GB193 General technical parts for packaging of export machinery, instruments, etc.JDH product labels
3 Special numbers and codes
This standard adopts special terms and symbols, and the codes should comply with the provisions of relevant standards. 4 Product classification
4.1 Type
The type of the diaphragm system is divided into single type, double type and multi-cylinder type according to the number of cylinders, and divided into vertical type and horizontal type according to the pattern and density.
4.2 Type
The method of compiling the diaphragm model shall comply with the provisions of ZBY1901: 4.3 Effective
4.3, the test diameter sequence of the column seat and bracket shall comply with the provisions of Table 1. *1
Change, the diameter
4.3,2 The test frame of the plug and the model shall comply with the provisions of Table 2. 2
Approved by the State Bureau of Light Industry on April 21, 1999
Implementation on April 21, 1999
QB/T3668—1999
4.3.3 The maximum working pressure of the diaphragm pump shall comply with the specifications in Table 3, and the flow rate of the membrane system shall comply with the provisions in Table 4.
5 Technical requirements
5.1.F Performance and handling
5.1.1.1 The pump shall comply with the performance and structure specified in the relevant technical documents and meet the requirements of the user. 5.1.1.2 The moving parts of the disc pump shall be flexible and well lubricated. 5.1.1.3 The maximum efficiency of the membrane system shall not be less than 70%. 51,1,4 The cylinder, chest chamber and air chamber of the pump system shall be subjected to pressure test, and the pressure resistance shall not be less than 1.5 times of the maximum working pressure, and the pressure holding time shall not be less than 5m.
5,1.1.5 The main components of the diaphragm system shall include the chamber, crank, short shaft and cylinder seat 5.1.2 Safety, 1
6,1.2,1 The moving parts of the diaphragm system shall be safe, solid, stable and reliable, and there shall be no abnormal noise and impact during operation. 5.1.2.2 The pressure of the diaphragm system during operation shall not exceed 80°C (4). 5.1.3 Life and reliability
5,1,3.1 The service life of the diaphragm system shall not be less than 1 year, and the first pressure maintenance time shall not be less than 100 hours. 5.1.5.2 During the entire slurry delivery process, the diaphragm system shall not have any retreat phenomenon at the maximum working pressure. 52 Machining quality and assembly requirements
5.2,3 Special parts shall comply with the requirements of 0B42,2 and shall not have holes, pores, holes, cold spots, clamping and other defects that reduce the uniformity and strength of the parts. 5,2.2 General parts quality inspection shall comply with the provisions of QB842,3. 5.2.3 The quality of the control parts shall comply with the provisions of QD842.4. 5,2,4 The quality of machined parts shall comply with the provisions of Q842.5. 5.2,5 Assembly or processing shall comply with the provisions of QB842.6. 5.3 External quality area
5.3.1 The external surface of the sample shall not have concave, flaw, warping, unevenness and other defects specified in the sample. 5.3.2 The external accessories and matching parts should be coordinated with the product, and the protective layer should not have any problems, bends, dents, etc. 5.3.3 The surface should be flat and smooth, and there should be no scratches. 5.4 Other requirements
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QB/r3868—1999
5.1.1 Each diaphragm system should be continuously tested for no less than 4 hours. The rotation should be smooth and there should be no abnormal sound. 5.2 When the operation reaches the set temperature, the temperature of the moving bearing shall not exceed 80°C and shall not rise more than 40°C. 6.1 Test method
6 1.1 The operating sound test of the diaphragm pump shall be carried out in accordance with Z5004 and meet the requirements of 5.1.2.2. 6.1.2 According to the life of the diaphragm system, it can be measured by the user if necessary. 6.1.4 During the whole machine test and reliability test, when the maximum working pressure is 1.5 times, the pressure holding time shall be not less than 10m, and the requirements of 5.1.1.4 and 5.1.3.2 shall be met. 6.1.5 When the actual flow rate is met, the maximum volumetric efficiency of the diaphragm shall be calculated. The calculation formula is TV-60A.5.-.2 where %Q is the maximum volumetric efficiency of the membrane attenuation, m/ht ... 6.2 Inspection rules
6.2.1 Each diaphragm system must be inspected and qualified before it can be put into production: and a certificate of conformity must be attached. The diaphragm system must also be inspected and qualified before it can be put into production. The factory inspection includes the requirements of 4.3, 5.1.1.2, 5.1.3, 5.4 and other items. 6.2.2 When one of the following situations exists, a type inspection should generally be carried out: "a. Trial type inspection for new products or old products transferred to the factory for production; b. After formal production, if the structure, materials, and processes have changed significantly, which may affect the product performance; d. When the product is stopped for a long time and then resumed production; 6.2.3 For every 50 systems produced, a random sample of units should be inspected for type inspection. If the annual output is not 50, a random sample of units should be inspected annually. One unit of the machine shall be randomly selected for type inspection. When the single inspection does not include the sample, the number of random inspections shall be doubled. 6.2.4 The type inspection of the pump includes 4, 3 and other items and requirements. Marking, packaging, transportation, storage
1.1 Marking
The product nameplate and the lubrication, safety and other labels shall be fixed in a clear position. The type, size and technical requirements of the label shall comply with the provisions of IB8. 7.1.1 The basic content of the label is summarized as follows: —3-
Manufacturer name:
b, model, required name,
c, main product!
d. Manufacturing date and factory code.
7.1.2 Packaging mark
QB/T366B-1999
The receiving, shipping marks and storage mark of the packaging box shall comply with the provisions of QB842.8 and GB191. 7.2 Packaging
7.2.1 Diaphragm packaging The provisions of QB842.8 and the provisions of B193 for export products shall be complied with. 7.2.2 The accompanying documents shall be complete and properly organized and placed in the machine. The machine documents include product specifications, product instructions, packing list (including various documents and attachments). 7.3 Delivery of products by land and water shall comply with the relevant regulations of the transport department. For road transport, the provisions of QB842.8 shall be complied with. For road transport, the accompanying documents shall be properly organized and placed in the machine. The machine documents include product specifications, product instructions, packing list (including various documents and attachments).8. The manufacturer guarantees that the product is in a strong, ventilated and rainproof place. The manufacturer guarantees that the product is in a safe ...
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