PZ73H手动插板阀

PZ73X,PZ73H,PZ73F耐磨刀型插板阀

2520高温刀型闸阀

污水、水泥刀型闸阀

PZ75H暗杆刀型闸阀

PZ73H DN600 DN700 DN800大口径刀型闸阀

PZ73H DN450 DN500刀型闸阀

PZ73H-10 DN350 DN400刀型闸阀

PZ73H-10 DN200 DN300刀型闸阀

PZ73H-10C/P/R-刀型闸阀

316、304不锈钢刀型闸阀

PZ73W手动不锈钢刀闸阀