Z44H型快速排污阀产品详细:型号公称压力PN(mm)公称通径DN(mm)尺寸(mm)阀体材料简要性能LDD1D2D6bz-dHL0℃适用介质排污阀Z44H-162540P48H-1625401.6251601158565-144-14160180灰铸铁球墨铸铁碳钢≤200≤250≤425水蒸汽3218013510078-164-181802004023014511085-164-1822022050250160125100-164-1823024065265180145120-184-1825028080280195160135-20