Feature:

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

2.Sealing face is overlayed by STL and stem heat-treatment  and surface nitriding-treatment to sure functions of friction-resistanced,corrosion-resistanced to ensure a long time use life.

3.The stem may show the position of lift,thus it is more clearer.

4.The parts material,flange and butt welding dimension may selected according to current operating condition or users' requirement to meeting the requirements of various engineering.

Application:

Bellow Sealed Gate Valves are Applicable for the Cutting and Connection of Pipelines Medium that are Used in Various Industries Such as Petroleum, Chemical, Pharmacy, Chemical Fertilizer and Electric Power Plants etc .