Contact: Email: zipopvf@163.com Wechat: zipo2019; QQ: 2191417589; Mobile: 18081659672

FEATURES:

1. Wear proof
The seat surface is overlaid with stellite alloy, while the ball sealing face is overlaid with alloy steel such as hard chrome plating, vacuum coating and tungsten-titanium alloy and stellite alloy etc. therefore, it has a good wear proof between ball and seat when the valve is operated.

2. Good sealing performance
The seal surfaces are grinded manually till the ball and seat contact perfectly. The sealing performance is reliable.

3. Easy to open and close
The back of seat is installed springs which ensure ball and seat contacted strongly. So, it is easy to operate the valve when the outside forces excess the pretightening force of seat springs.

4. Long serving life
The seal surface is not destroyed easily. It has a stable quality and long life span. It is widely applied in in the fields such as petroleum, chemical industry, power generation, paper industry, atomic energy, aircraft industry, rockets, as well as people’ s daily life.