闸阀生产厂家上海石化高压阀门厂有限公司Z61H/Y/W锻钢闸阀PZ473链轮刀型闸阀Z961、0/H/Y高温高压电站闸阀Z41H/Y锻钢闸阀PZ73H/F排渣、刀型闸阀Z673F/H/Y/W气动刀切闸阀Z641H/Y/W气动法兰闸阀Z43WF平板闸阀Z9B43防爆电动平板闸阀DZ41W低温闸阀NKZ41H/W高真空闸阀Z41H/Y/W国标法兰闸阀LMD螺旋闸阀PZ73H/F/X暗杆刀形闸阀WZ41H/Y/W波纹管闸阀Z545X大口径弹性座封闸阀Z41F46衬里楔式闸阀Z61H/Y锻钢闸阀Z41W-300Lb美标锻钢闸阀RRHX(Z41X)明杆弹性座封闸阀BZ41H/Y保温闸阀RVHX(Z45X)软密封闸阀PZ543(X/F/H)伞齿轮单夹式刀形闸阀PZ941CY陶瓷排渣闸阀Z41CY陶瓷闸阀Z541H/Y/W伞齿轮闸阀CYZ40H差压油密封楔式弹性闸阀Z540H/Y铸钢伞齿轮驱动闸阀DSZ41H/DSZ44H水封闸阀Z41W-16P法兰式不锈钢闸阀Z41H/Y/W型法兰楔式闸阀Z45T-10型暗杆楔式闸阀Z41H-100高压法兰连接钢制闸阀Z941H/Y/W电动闸阀Z43H/X铸钢平板闸阀