1. the valve body are all welding steel and all flux fluid. covered with collect to preserve heat.

2. Lengthen stem can operated in the ground and reduce the investment of valve well.

3. pressure grade: 10K,20K,PN16~64, ANSI, 150#,300#.

4.Apply to power, metallurgy, petrochemical, fuel gas, heating pipe neteworks.

5. temperature range: -29℃-+320℃,