135 Degrees Pneumatic Ball Valve 1.Size:DN15--DN600 2.Pressure:150--600Lb 3.Material:Stainless Steel 135 Degrees Pneumatic Ball Valve135 ... . 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 according ... control Scientific research and technology Stainless steel 135 Degrees Pneumatic Ball Valve