现行 JB/T 12622-2016
液化天然气用阀门 性能试验 液化天然气用阀门 性能试验
发布日期:2016-01-15
实施日期:2016-06-01
分类信息
标准简介

本标准规定了液化天然气用阀门性能试验的术语和定义、试验项目、常温性能试验、低温性能试验、试验方法、试验程序以及泄漏率等要求。本标准适用于公称压力PN16~PN250、公称尺寸DN15~DN1200 和压力等级Class 150~Class 1500、 公称尺寸NPS1/2~NPS48,工作介质为液化天然气的法兰和焊接连接的闸阀、截止阀、止回阀、球阀和蝶阀。其它类型的阀门亦可参照使用

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最后更新时间 2025-09-02