JB/T 2001.34-1999 Water system check valve (PN=31.5MPa)

JB/T 2001.34-1999 JB/T 2001.34-1999 Water system check valve (PN=31.5MPa) JB/T2001.34-1999 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
State Machinery Industry Bureau
2(-01-U1 Implementation
1 Scope
Machinery Industry Standard of the People's Republic of China
Water system check valve
Water sygtem--Check valve
f PN=3]5 MPa]
The standard defines the requirements for the type and installation technology of the single-closable valve, and is not applicable to the single-use single-valve valve in the filtration pressure channel with a nominal pressure of 3"SMP. 2 Reference standards
J8/T 2001.34—1999
Date 2034：84
The clauses included in the above mark constitute the clauses of this standard through the use of this version of the standard. The sub-standard additions and sub-standards are consistent with the time of publication. All standard interpretations are subject to revision. The parties using this standard shall use the latest version of the standard. JB/T2001.33-1999 Water System Lantern-type Single Valve Plug (P20, 3 1.5MPa) 3. Type and size
3.1N32-50m! Type and size according to the provisions of double:, Table 1. 3.27N65-100Im type = size according to Figure 2, Table 1 1-flange type single space: 2-tooth body, 3-way compensation flange diagram
Approved by the State Administration of Machinery Industry on June 28, 1999
Implementation on January 1, 2000
J:1 20C1.24.1 32
JB:I 20CI.34.2 :40
JB-T 2K!1.31.3
I1 211 34.4
1T 2u01.34.5
JB/T 2n01.34.n
4Technical requirements
6 ×12
127 ×22
152 ×25
JB/2001.34—999
[Method for gas flow: -Read permission, -Attached to the figure 2
4.1 Nominal force 31.5MPa, test pressure 42MPa110
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4,2 The simple method and the network standard are used together or pressed to check the body's degree and performance. The test method is shown in T2,33's technical requirements, 5 marking example
Nominal diameter 32mm drain valve:
Hydraulic gate valve DV123B/T2001.34—199952
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