... all kinds of pneumatic angle seat valve,pneumatic&electrical valve,pneumatic & electrical actuator,solenoid valve,diaphragm valve and so on.the company ... springs to chang the mode action.3)Technical dataControl air pressure:0.3~0.8MpaEnvironmental Temp.:-10°C~+80 ... :PTFE NBRActuator Material:aluminum alloy4)Pictures Pneumatic actuator, Valve actuator,AT Series actuator,Double acting and single acting