概述；一、技术参数公称通径DN50-400mm公称压力1.0/1.6/2.5MPa工作温度-10℃-80℃密封压力1.1倍公称压力阀体耐压1.5倍公称压力适用介质水、油、气二、材质说明序号零件名称材质1阀体球铁、铸钢2阀轴SUS410/SUS3163蝶板球铁电镀、不锈钢4阀座EPDM、PTEE5阀座靠背酚醛树脂6衬套青铜、聚四氟乙烯7密封圈NBR.EPDM8圆垫片SUS316/黄铜9对开环SUS316/黄铜10挡圈弹簧钢三、主要外型尺寸单位：mm产品型号公称通径H1H2H3D1D2L1L2L3Φ1Φ2Φ3Φ4BWS(F)X-005050701306812095433224512.67023152BWS(F)X-0065657614368136109464724512.67026-3152BWS(F)X-0080808615568160124466524512.67018152BWS(F)X-010010010417068182153529124515.89024-5152BWS(F)X-01251251181906821517956112245199023152BWS(F)X-01501501322106823820656146245199025152BWS(F)X-0200200167243852952646019440022.111525300BWS(F)X-0250250198282853573166824240028.511529300BWS(F)X-0300300239310524073736829240031.714029305BWS(F)X-0350350267368824674367832540031.714030305BWS(F)X-040040030940012151548810238043133.1519726/30290)