H41Y-16C-DN15,H41Y-16C-DN20,H41Y-16C-DN25,H41Y-16C-DN32,H41Y-16C-DN40,不锈钢升降式止回阀

10.0


16.0




强度试验


2.4


3.8


6.0


9.6


15.0


24.0




水密封试验

01/14 02:02