304材质不锈钢角式截止阀J44W-16P国标不锈钢角式截止阀 手动法兰直角截止阀
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304材质不锈钢角式截止阀J44W-16P国标不锈钢角式截止阀手动法兰直角截止阀一、J44HW-Y角式截止阀性能参数设计与制造符合中国***标准1、基本结构形式:角式2、公称压力:PN1.6-4.0(MPa)3、公称通径:DN15-300(mm)二、J44HW-Y角式截止阀应用规范遵循规范STANDARD设计与制造GB12233/GB12235结构长度GB12221/JB96(长系列)结构长度GB78/JB79(GB、HG、SH)压力试验GB/T13927标志GB12220供货GB/T12252)