| Message: | JYL Quick supplying new design PN20 gate valve 1/2 inch rising stem Item no:JYL-1103 Size:1/2",3/4",1"….. The sealing performance is better than the globe valve, the fluid resistance is small, and the opening and closing are more economical. When fully opened, the sealing surface is less... url:http://www.yhjyl.com |
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