JB/T 2001.46-1999 Air filling valve for water system pump station (PN=20, 31.5MPa)

JB/T 2001.46-1999 JB/T 2001.46-1999 Air filling valve for water system pump station (PN=20, 31.5MPa) JB/T2001.46-1999 Standard download decompression password: www.bzxz.net

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Standard of the Machinery Industry of the People's Republic of China
JB/T 2001.1~2001.74—1999
Water system assembly and parts1999-06-28 IssuedWww.bzxZ.net
State Machinery Industry Bureau
2(-01-U1 Implementation
"Model Painting
Standard of the Machinery Industry of the People's Republic of China
Water System
Gas-charging vulve for nnlur aerumulutor(PN-20, 31.5 MPa)
The standard stipulates "the type, size and technical requirements of air valves with pressure tolerance of 21 and 21.5 MPa, JR/7:2001.46-1999
Original: 12019-81
This standard applies to the air-filling valves used in pump-actuator transmission systems with a pressure of 21 and 21.5 MPa. 2 Reference standards
The provisions contained in the following standards are quoted in this standard or are the provisions of this standard. This standard is published and the length of each paragraph is effective: the standard will be revised twice. The parties using this standard should explore the possibility of using the latest version of the following mark, JB/2001.47-1999 Air brake mesh core for water system station (FPN=20, 31.5 MPa) 3 Types and sizes| |tt||3.1 The type and size of the valve are in accordance with the provisions of 1,
3.2 Inflatable head weight: 25.3kz
4 Technical requirements
4.1 Nominal pressure 31.5MPa, test pressure 42MPa; Nominal pressure 20MPa, test pressure 10MPa4. Adjust the valve and test it to measure the size and judge the performance. The test method meets the technical requirements of J32001.17. 5 Marking
Inflatable limit of 10mm diameter:
Inflatable net DN1 [FJH/2001.46--1999
State Machinery Industry Bureau 1 regulation 9-(6-28 approved 2000-01-01 implementation
IAT2001.46-1999
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