We are leading manufacturer and exporter of 4A210-08 Pneumatic Air Valve. We are famous for high quality and resonable price among our customers. Product name: 4A210-08 Pneumatic Air Valve Working Pressure: 0.15--0.8Mpa(21--114psi) Proof Pressure: 1.2MPa(174psi) Working Temperature: 5--50 Degree Celsius Material: Aluminium Alloy Highest Action Frequency: 5 Cycles/secon d