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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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 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 ImplementationwwW.bzxz.Net JE/T 2001.49 -1999 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 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.