详细介绍 产品特征公称压力:1.6~6.4MPa适用温度范围:≤200℃~≤350℃适用介质:醋酸类、水、油、气类及某些腐蚀性液体。止回阀:止回阀又称单向阀或逆止阀,其作用是防止管路中的介质倒流。水泵吸水关的底阀也属于止回阀类。启闭件靠介质流动和力量自行开启或关闭,以防止介质倒流的阀门叫止回阀。止回阀属于自动阀类,主要用于介质单向流动的管道上,只允许介质向一个方向流动,以防止发生事故。 主要零件材质零件名称ZG1Cr18Ni9Ti304 CF8ZG00Cr18Ni10304L CF3ZG1Cr18Ni12Mo2Ti316 CF8MZG00Cr17Ni14Mo2316L CF3M阀体/阀盖0Cr18Ni900Cr18Ni100Cr18Ni9Mo200Cr18Ni10Mo2阀瓣0Cr18Ni900Cr18Ni100Cr18Ni9Mo200Cr18Ni10Mo2垫片304+PTFE304L+PTFE316+PTFE316L+PTFE螺栓不锈钢螺母不锈钢主要连接尺寸型号公称通径尺寸(mm)LHH41W-1.6MPa151309020150105251601153218012040200135502301406529015080310160100350175125400195150480225200600250250650270300750290H41W-2.5MPa151309020150105251601153218012040200135502301406529015080310160100350175125400195150480225200600250250650270300750300主要连接尺寸型号公称通径尺寸(mm)LHH41W-4.0MPa151309020150105251601153218012040200135502301406529015080310160100350175125400195150480225200600250250650270300750300H41W-6.4MPa20190110252101253223015240260168503001706534018880380205100430230125500280150550300200650350