现行 JB/T 450-2008
锻造角式高压阀门 技术条件 锻造角式高压阀门 技术条件 Specification for wrought,angle,high pressure valves
发布日期:2008-02-01
实施日期:2008-07-01
分类信息
研制信息

归口单位: 全国阀门标准化技术委员会

起草单位: 合肥通用机械研究院、 安徽省屯溪高压阀门有限公司

起草人: 王晓钧、 刘晓春

标准简介

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-90℃~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91,HG/T

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最后更新时间 2025-08-31