PZ573H-16C伞齿轮刀形闸阀SPPZ573H-16C刀形闸阀

PZ73W美标凸耳式刀闸阀 SPPZ73W美标凸耳式刀闸阀

PZ73W-16P不锈钢刀型闸阀SPPZ73W-16P不锈钢刀闸阀

PZ73TC-10C陶瓷刀型闸阀SPPZ73TC-10C陶瓷刀闸阀

PZ73H-10C方型插板闸阀 SPPZ73H-10C方型插板闸阀

PZ73H-10C刀型闸阀 SPPZ73H-10C刀型闸阀

PZ41H-16排渣闸阀 SPPZ41H-16排渣闸阀

NKZ61H焊接式真空隔离闸阀 SPNKZ61H焊接式真空隔离闸阀

NKZ41H-16真空隔离闸阀 SPNKZ41H-16真空隔离闸阀

MZ948W-1.5电动煤气闸阀 SPMZ948W-1.5煤气闸阀

MZ48W-16煤气快速启闭闸阀 SPMZ48W-16快速启闭闸阀

J41Y-300LB美标自密封闸阀SPJ41Y-300LB美标闸阀

DZ41Y-300LB低温闸阀 SPDZ41Y-300LB低温闸阀

DZ41W-16P国标低温闸阀 SPDZ41W-16P国标低温闸阀

DZ40Y-150Lb美标低温闸阀 SPDZ40Y-150Lb闸阀