产品型号：-->点击放大图片H42X底阀的详细资料：结构与原理:本阀由阀估,阀瓣,阀盖,衬套,密封圈等零件组成,详见下图水源的水从阀盖进入阀体.在流体的压力作用下,阀瓣打开水,当示停后出口管内的压力将阀瓣迅速关闭,液体将不会倒回水源,起到了即畅通抽水又节约水能损失的作用.性能规范：公称压力：PN0.25MPa公称通径：DN15～DN350适用介质：水、油、及非腐蚀性介质适用温度：≤50oC主要部件材料：灰铸铁、丁腈橡胶执行标准：Q/12NJ3583-2001试验标准：GB/T13927-1992主要外形尺寸：型号公称通径DN(mm)HDD1D2Z-d适用介质适用温度H42X3210512090704-φ14水、油、液体不锈钢≤150℃40110130100804-φ1450125140110904-φ14651501601301104-φ14801751851501284-φ181001902051701484-φ181252402352001788-φ181502802602252028-φ182003603152802588-φ18相关同类产品：H4X/W-16PH4X/W-16P不锈钢消声止回阀H41H/WH41H/W升降式止回阀HH47X/HH48X/HH49XHH47X/HH48X/HH49X微阻缓闭蝶型消声止回阀H42H/WH42H/W立式止回阀HH44XHH44X微阻缓闭止回阀SH71H/WSH71H/W对夹升降式止回阀（全铜）H71H/WH71H/W对夹升降式止回阀H74Ⅱ型H74Ⅱ型对夹薄型止回阀H76XH76X对夹蝶型旋启式止回阀H41X/WH41X/W全铜消声止回阀HC44X-10-16HC44X-10-16橡胶瓣止回阀H44H/WH44H/W旋启式止回阀H76H/WH76H/W对夹蝶型止回阀（双瓣式）H11H/H61HH11H/H61H锻钢止回阀.锻不锈钢止回阀H41X/W消声止回阀（铁壳铜芯）HQ41XHQ41X球形止回阀（无磨损球形止回阀）HQ45X型HQ45X型微阻球形止回阀H42H/WH42H/W不锈钢法兰立式止回阀H14W-16P/RH14W-16P/R不锈钢螺纹旋启式止回阀H61Y型H61Y型高压升降式止回阀H42T型H42T型（DRVZ）静音止回阀H41W型H41W型不锈钢升降式止回阀H12W-16P/RH12W-16P/R不锈钢丝口止回阀H12W-16TH12W-16T黄铜丝口止回阀300X300X缓闭止回阀SH74Ⅰ型SH74Ⅰ型对夹薄型止回阀)