pneumatic ball valve with limit switch, Top quality and reasonable price ,Certificates:ISO9001,CE Product DescriptionTechnical Specifications of pneumatic valve 2. Features: A. ... 2", 2". 4. Working Pressure: 200WOG. 5. Connection type: Inside screw. 6. Threaded to: NPT, BSPT, DIN259/2999, ISO228. 7. Medium ... customers to order specail kinds of valves from us! pneumatic ball valve with limit switch