JB/T 2001.33-1999 Water system flange type one-way valve core (PN=20, 31.5MPa)

JB/T 2001.33-1999 JB/T 2001.33-1999 Water system flange type non-return valve core (PN=20, 31.5MPa) JB/T2001.33-1999 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 ImplementationwwW.bzxz.Net
1 Scope
Machinery Industry Standard of the People's Republic of China
Water system
Flange type core ef chock valve( PN=20, 31.5 MPa ]
This standard specifies the type and size of flanged single-valve cores. 1R/T1001.33-1999
I203-84
This standard applies to the type and size of flanged single-valve cores used in single-tank hydraulic press systems with a displacement pressure of 20, 31.5M
2.1 The type shall comply with the provisions of Figure 1,
2.2 The size shall comply with the provisions of Figure 1 and Table 1
1 Type 1: 2: 3-: 4: 50 type
-spring: 7-: 8-; drop: 11-) type is required
Approved by the State Machinery Industry Bureau on June 28, 1999 and implemented on January 1, 2001
H: 7001.33 32 | | tt | | B::2D1.33.2 | 33—1999
G×M2G
B× M3c
.Road X30
3.1 Public pressure 31.sMPa. Test pressure 42MPa. Nominal pressure 20MP, test pressure 30MPa
451121
0.04:10.9
(1.03;0.55,40.1
3.2 The zone liquid should be used with the body, Baole 10m, and the new things and the 11 places should not have seepage and pressure reduction phenomenon 4 Marking example
Nominal diameter 32m or more of the method difference to reach the one-way core: Lan type one-way state.PN52JB2001.33—199983
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