135 Degrees Pneumatic Ball Valve 1.Size:DN15--DN600 2.Pressure:150--600Lb 3.Material:Stainless Steel 135 Degrees Pneumatic Ball ... Now, we can provide with Ball Valve, Gate Valve, Globe Valve, Check Valve, Butterfly Valve, Slurry Valve, Feed Valve, Stop Valve and so on.They are produced ... fields Quality control Scientific research and technology Stainless steel 135 Degrees Pneumatic Ball Valve