JB/T 2001.47-1999 Airlock valve core for water system pump station (PN=20, 31.5MPa)

JB/T 2001.47-1999 JB/T 2001.47-1999 Airlock valve core for water system pump station (PN=20, 31.5MPa) JB/T2001.47-1999 Standard download decompression password: www.bzxz.net

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Machinery Industry Standard of the People's Republic of China
JB/T 2001.1~2001.74—1999
Water system assembly and parts1999-06-28 Issued
National Machinery Industry Bureau
2(-01-U1 Implementation
Machinery Industry Standard of the People's Republic of China
Water System
Air Gate Valve Core for Pump Station
Water sysleru Core of gfs shut off vahveforwateraccumulator
(PN=20, 31.5MPa]
The standard specifies the type, size and requirements of the air gate core of the pump station, IH-T 2001.47—1999
Find Fee 32050-84
Standard application standard pressure is 20, 31.5MPa, and is used to control the air master core of the high-pressure air pipeline in the pump station of the actuator.
2 Type and size
2.1V1n, D25mm. The steps and dimensions of the air lock valve core are in accordance with the provisions of Figure 1 and 1: [Alarm rod: 2 Pressure flow: 3 Pressure change: 4 V-shaped seal: 5-Support ring: 6 Seal; 7-Pad: 8-Two seats: 9-Tao: 100-shaped seal ring Figure 1
National Machinery Industry Bureau approved 2Hchuan-Small 1-{] implementation on June 28, 1999
J37T 21m1.47
JB-T 200I.47.2
JB/T 2001.47—999
1.2DN40, DN65mm core type and size according to Figure 2, Table 2. 1- Rod: 2- Small dry whole: 3- Jade check: 4- Use cumulative dry separation, 5- V-throat sealing rate: 6- Support damage: 7- Out of sealing rate, difference
SO-shaped density: - Cup: 1G- Account needle: 11- Screw: 12- Pressure space: 13- Valve: 14- Seat: 150- Shape time network cabinet 2
R/2K1147
JB-T2001.47.4
3 Technical requirements
JET 2001.47—1999
3.1 Nominal pressure 31.5MPu, test pressure 42MPa. 20MPa below the nominal pressure, test pressure 30MP
3.2 During the test, the pressure drop phenomenon of the steel mouth is not very leaky, and the strokebzxZ.net
3.3TIN0, DN6Smm air valve core, in the closed state, the lower chamber pressure is not allowed to be full. 4 Marking example
Nominal light air core:
Air brake valve core DNidJB.T2001.47--1999
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