H74H对夹圆型止回阀H74H对夹圆型止回阀概述：尼威阀门公司生产的H74Ⅰ型、Ⅱ型对夹圆片式止回阀，是一种超薄形止回阀，它具有结构简单，外形美观、重量轻，安装方便等优点。该阀主要适用于给水系统、石油、化工、冶金等工业部门对有安装空间限制的场所最为适用。◆对夹圆型止回阀主要技术参数：工作压力1.6MPa工作温度t≤400℃适用介质油、水、酸碱等液体◆对夹圆型止回阀主要外形尺寸：公称通径DN(mm)dLDI型II型PN1.0PN1.6PN2.5PN4.0502515221091091091096538152212912912912980461522144144144144100721524164164170170125951626194194186186150114192922122122622620014029432752752862932501882943330331343355300216385038038640342035026341524404464604774003055162491498517549450356516254155856757450040665805966206276316004827090698737734750尼威止回阀相关产品:175H48Y/H空排止回阀H83H/Y卡箍角式止回阀H44X-10S塑料旋启式止回阀H41H/W美标止回阀H11H/H61H内螺纹锻钢止回阀H42X底阀H44F46旋启式衬氟止回阀H41F46升降式衬氟止回阀H12H/W不锈钢立式内螺纹止回阀H14W不锈钢内螺纹旋启式止回阀H40F46衬氟升降式止回阀H42H/W不锈钢立式止回阀H41H升降式止回阀H44H旋启式止回阀H72Y对夹式高压止回阀H41X全铜消声止回阀H76X软密封蝶型止回阀H76H对夹式蝶形止回阀H74H对夹圆型止回阀H74I型对夹式薄型止回阀H71H不锈钢对夹升降式止回阀H71H对夹式全铜止回阀HQ45X微阻球形止回阀HQ44X微阻球形止回阀HQ41X滚球式止回阀H44X（SFCV）橡胶瓣止回阀H41X消声止回阀HH44X微阻缓闭止回阀HH46X、HH48X、HH49X微阻缓闭止回阀H42X（DRVZ）静音式止回阀CVKR静音止回阀（大口径静音式止回阀）H77H对夹单瓣蝶型止回阀)