H71H/W对夹升降式止回阀对夹升降式止回阀◆主要技术参数：型号公称压力PN(MPa)试验压力PS(MPa)工作温度(℃)适用介质壳体密封SH71W-16P1.62.41.76≤200水、蒸体、油品等SH71H-25Q2.53.752.75≤235SH71W-25H≤300SH71W-25P≤200硝酸等腐蚀性介质SH71W-40H4.06.04.4≤300水、蒸体、油品等SH71W-40P≤200硝酸等腐蚀性介质规格型号阀体阀瓣弹簧SH71H-16Q、H71H-25QQT400-152550CrCASH71W-25H、H71W-40H2Cr131Cr131Cr18Ni9TiSH71W-16P、H71W-25PZG1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni9Ti◆规格尺寸表：公称压力MPa公称通径DN尺寸（mm）LD1D2D3D4D5PN1.0MPaPN1.6MPa151652152431402019621930405025227224354758322883314656684031.59339556678504010848657890654612862809511080501427696110128100601629511513215012590192110125135-相关止回阀产品系列:H41X/W-16P不锈钢消声止回阀H41H/W升降式止回阀H42H/W立式止回阀HH47X/HH48X/HH49X微阻缓闭蝶型消声止回阀HH44X微阻缓闭止回阀H71H/W对夹升降式止回阀（全铜)H71H/W对夹升降式止回阀H74Ⅱ型对夹薄型止回阀H76X对夹蝶型旋启式止回阀H41X/W全铜消声止回阀HC44X-10-16橡胶瓣止回阀H44H/W旋启式止回阀H76H/W对夹蝶型止回阀（双瓣式)H42X底阀H41X/W消声止回阀（铁壳铜芯）HQ41X球形止回阀（无磨损球形止回阀)HQ45X型微阻球形止回阀H42H/W不锈钢法兰立式止回阀H14W-16P/R不锈钢螺纹旋启式止回阀H61Y型高压升降式止回阀H42T型（DRVZ）静音止回阀H41W型不锈钢升降式止回阀H12W-16P/R不锈钢丝口止回阀H12W-16T黄铜丝口止回阀H74Ⅰ型对夹薄型止回阀)