HH44X微阻缓闭止回阀的详细资料：一、用途及特点微阻缓闭止回阀用于给排水管道,安装在水泵出口处用来防止介质逆流和消除破坏性水锤,并能有效地减少阀门关闭水锤压力,可保障管网安全运行.它具有阀瓣轻、开度大、节电效果显著，流体阻力小，水锤消除机构设计新颖，密封性能稳定可靠、耐磨损、使用寿命长、运行平稳、无振动、无噪声等特点。二、主要零部件材料零件名称阀体、阀盖阀瓣阀轴材料灰铸铁橡胶组合件不锈钢三、主要外形尺寸通径40506580100125150200250300350400450500600700800L20023029031035040048050060070080090010001100130014001500H3003003203543503805005806707308209209501100120015501700B2202702903003203404104505505806307008009009901120130相关同类产品：H41X/W消声止回阀（铁壳铜芯）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SH74Ⅰ型SH74Ⅰ型对夹薄型止回阀H44H/WH44H/W旋启式止回阀H4X/W-16PH4X/W-16P不锈钢消声止回阀H11H/H61HH11H/H61H锻钢止回阀.锻不锈钢止回阀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H42XH42X底阀300X300X缓闭止回阀