JB/T 2001.19-1999 Types and dimensions of air release valves for water systems (PN ≤ 50MPa)

JB/T 2001.19-1999 This standard is a revision of JB 2019-84 "Type and size of air release valve for hydraulic press (Pg≤315×100000Pa)". This standard specifies the type and size of air release valves. This standard is applicable to air release valves with a nominal pressure not exceeding 50MPa used in various pipelines that need to be released separately. This standard was first published on January 1, 1984. JB/T 2001.19-1999 Type and size of air release valve for water system (PN≤50MPa) JB/T2001.19-1999 standard download decompression password: www.bzxz.net

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Machinery Industry Standard of the People's Republic of ChinawwW.bzxz.Net
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
Air release valve
Type and size
Watersygtem--Alr-escape-Typeand size(PN$50 MPa ]
To determine the type and size of the gas. JB/72001.19--1m
This standard is applicable to various valves and pipelines that need to be vented separately. The nominal pressure is not more than 50M. : 2 Types and sizes
2.1 Types should be equal to the following:. Figure 2, Figure 1: Type 1 is used in places without effective gas (see Figure 1) Type 1 is used in places with effective gas and large valve bodies (see Figure 2) The former is used for sound manufacturing (see Figure 3)
[First battle gas network Type 1: 2 seats||tt| |[One valve: 2-key thread: 3-sleeve
Home appliance industry kitchen 1999-06-28 approved
[Venting period type: 2: one period
3000-01-01 implementation
JB/T2001.19-1999
2 The dimensions should comply with the provisions of Figure 1, Figure 2, Figure 3 and Table 1. Table
Marking example
Type 1 venting valve for small-effect gas position: venting valve [carried out JR/T2001.191999
B1 2004.19.1
拍/T 2091.192
JH/r21.19.3
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