Feature:

1.OS&Y,Bolted Bonnet

2.This product has logical structure, reliable seal, excellent performance and nice design

3.Double Bellow & Sealing

4.Convenient Maintenance,Position Indicator

5.The seal surface is build-up welding with Co hard alloy, which is attrition-resistant, corrosion-resistant, has good friction resistant and long life

6.Stem quenched and temperatured its surface is treated by nitriding treatment,thus it has good corrosion resistant and friction resistant.

7.Flexible Wedge,Fully Guide Cast Wedge