Standard No.:	JB/T 1308.20-2011
English Name:	PN 2500 ultrahigh pressure valves and fittings —Part 20：Reduced three-way and reduced four-way
Chinese Name:	PN2500超高压阀门和管件 第20部分：异径三通、异径四通
Chinese Classification:	J16    Valve
Professional Classification:	JB    Professional Standard - Machinery
ICS Classification:	23.060.01 23.060.01    Valves in general 23.060.01
Issued by:	Ministry of Industry and Information Technology
Issued on:	2011-05-18
Implemented on:	2011-8-1
Status:	valid
Superseding:	JB/T 1308.20-1999 Type, dimensions and specifications of reduced three - way and reduced four - way PN 250 MPa valves
Language:	English
File Format:	PDF
Word Count:	0 words
Price(USD):	224.00

本标准规定了超高压阀门用异径三通、异径四通形式、尺寸和技术要求。
本标准适用于公称压力PN2500、公称尺寸为DN3~DN25的乙烯、聚乙烯等非腐蚀性介质的锻造钢制阀门的异径三通、异径四通。