JB/T 2001.49-1999 Air gate valve for water system pump station (PN=20MPa)

JB/T 2001.49-1999 JB/T 2001.49-1999 Airlock valve for water system pump station (PN=20MPa) JB/T2001.49-1999 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
Gas shut-nffvalve fer water aecumulator[PN=-20 MPa ]
This standard specifies the type, size and technical requirements of air conditioning for air conditioning stations. JB/T2001.49—1999
205284
This standard is used in pump stations with a pressure of 20MPa and a spring-driven pump, and is used to control the air network of the high-pressure air circuit. 2 Referenced standards
The following standard clauses are included in the provisions, which constitute the provisions of this standard through reference in this standard. This standard is published: The items shown are subject to revision and revision by the technical department. The parties using this standard should use the latest version of the following standards. IR·T20! .4x—19V9 Air gate valve for water system flow station (PN=3].5MPa) 3 Egg type and size
3.1DN[0,N35mm air lock type size according to R2001.4B provisions 3.2DN40, DN6mm three-way air lock valve type and size according to Figure 1, Table 1 provisions, to
4 start 15
gas use lake 5: 2-box: 3-force attachment flange, 4-effective gas two and: 5-square attachment excavation flange 1
JB 2001.49. Tee
JB/2001.49.4
76×11h
89×12'1[4×
National Machinery Industry Bureau 1999-06-28 approved 14 (H
2000-1-61 Implementation
JE/T 2001.49 -1999www.bzxz.net
4 Technical requirements
rB/T2001.49-1999
Nominal pressure 20MPa, test flow pressure 30MPa
4.2 Description and inspection. · Test to check strength and sealing performance, test method see 1BT2001.47 technical requirements, 5 Marking example
Normal diameter 40mm gas valve:
Commercial type) DN40
[B/T2001.49--1999
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