Product name: API Bellows seal Gate Valve

Detailed Description
API standard bellow sealed gate valve is apply to various kinds of working conditions pipeline such as petroieum, chemical industry, pharmacy, fertillzer, and power industry etc. Under normal pressure in the PN1.6-4.0Mpa and operating temperature at -20--350 degree, that is used to cut off or connected the pipeline medium.

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.