Standard No.:	JB/T 450-2008
English Name:	Specification for wrought angle high pressure valves
Chinese Name:	锻造角式高压阀门 技术条件
Chinese Classification:	J16    Valve
Professional Classification:	JB    Professional Standard - Machinery
Source Content Issued by:	NDRC
Issued on:	2008-2-1
Implemented on:	2008-7-1
Status:	valid
Superseded by:	JB/T 450-2025 Wrought, angle, high pressure valves - Technical specification
Superseding:	JB/T 2766-1992 JB/T 2775-1992 PN16.0 ~ 32.0 MPa nut JB/T 2774-1992 PN16.0 ~ 32.0 MPa step-end double-headed stud and screw hole size JB/T 2773-1992 PN16.0 ~ 32.0 MPa double-headed stud
Target Language:	English
File Format:	PDF
Word Count:	11000 words
Translation Price(USD):	330.0
Delivery:	via email in 1~3 business day

本标准规定了锻造角式高压阀门（以下简称阀门）结构形式、技术要求、试验方法与检验规则、标志、包装和储运以及角式阀门的结构长度、螺纹法兰相互连接的装配尺寸、锻造高压用双头螺柱、阶端双头螺柱及螺孔尺寸、锻造高压用螺母。本标准适用于公称压力PN160～PN320，公称尺寸DN3～DN80的法兰连接角式截止阀、外螺纹角式截止阀、焊接角式截止阀、角式节流阀DN50～DN200的平衡角式截止阀、节流阀（以下简称平衡式阀）；介质温度-29℃～200℃；介质为氮氢混合气体、尿素、甲胺液等。其他结构形式的锻造高压阀门也可参照本标准。