产品型号：-->点击放大图片H42T型（DRVZ）静音止回阀的详细资料：静音止回阀主要技术参数型号DRVZ/T-10DRVZ/T-16DRVZ/T-25Q公称压力PN1.0MPaPN1.5MPaPN2.5MPa公称通径DN50～DN300(mm)***高工作压力1.0MPa1.6MPa2.5MPa密封试验压力1.1MPa1.76MPa2.75MPa壳体试验压务1.5MPa2.4MPa3.75MPa主要零部件零件名称材料阀体、导流体灰铸铁、球墨铸铁、铸钢阀座、轴瓦、阀瓣、轴青铜或铬不锈钢弹簧不锈钢主要连接尺寸(法兰连接尺寸:PN10按GB4216.4-84，PN16按GB4216.5-84，PN25按9113.4-88标准)公称通径(mm)L(mm)501206515080180100240125300150350200450250500300550350575400600450650500700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H***4X-10-16H***4X-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)