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
Some standard content:
IC.s$ 23.110 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 Chinawww.bzxz.net 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 Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.