JB/T 2001.32-1999 Water system screw plug check valve core (PN = 20, 31.5MPa)

JB/T 2001.32-1999 JB/T 2001.32-1999 Water system screw plug type one-way valve core (PN = 20, 31.5MPa) JB/T2001.32-1999 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 aystem-Core serew plug type core of cheek valve(PN=20、31.5 MPa )
This standard specifies the type, size and technical requirements of wide-band plug-type one-way valves. [/T 2001.32—1999bzxz.net
Generation 2032--84
This standard is suitable for the distribution and piping systems with nominal stopping force of 20 and 31.5 MPa. The one-way valve core with a diameter of DN1n--1.5mm is mainly used in the system. The one-way valve core with a diameter of DN25~100mm is mainly used in the distributor. 2 Types and sizes
2. 1 Types and sizes of DN10~15 mm 1. Table 1 2.1DN25-50mm type and size are generally shown in Figure 2, Table 1 is effective, 2.3N65~00mm type and size are connected to Figure 3, I 1 is, C1:
1-probe seat: 2-chamber head, 3 spring: 4~flash cup: 3-flash: 60-shaped belt seal approved by the State Machinery Industry Bureau 1999-K6-28 76
2000-01-01 implementation
JB/T2001.321999
! Deflation! Type: 2-oh sleeve: 3 seat head: 4 seal drawing: 5: 6 cup: 7: 8-shaped drawing?
A 2K:1.12.1
1JBT2001.32.3
[E·T209]32.5
FB.T 2KIJ.32.G
::2(X)).32.7
JD/T 2(01.32.9
H9/Pack&
M35×2
142×2
M64 ×3
M12D×3
M14D×3
JB/T201.32-1999
[—Bleeding flash 1:2—Prohibition:3—Type head:4—0-shaped seal:5—Elasticity:6—Two cups:7—Version:8—0-shaped rate t Weekly diagram 3
3 Technical requirements
3.1 Nominal pressure 31.5MPa, test pressure 42MPm2 Nominal pressure 20MPa, test pressure s0MPa
3.2 The test liquid is the same as the working body, the pressure is maintained at 10mm, and the seals and valves are small enough to be filled and lowered, as shown in 4 marking examples
Nominal diameter 10 of butterfly plug type one-way valve: explosion honey type one-way valve nN10JB:T2001.32
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