CH-air A Type Catalog and Instructions
AVS CH-air A Type Catalog and IOMs
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Pneumatic valve actuator, quarter turn
Brand: Max Air
Rack and pinion design
Blow-out proof pinion
Housing: Extruded aluminum, hard anodized
Ends: Cast aluminum
Pinion: ENP steel
Pistons: Cast aluminum
Driven by dry, filtered compressed air
Min/ max air pressure: 2bar/ 8bar
Min/ max working temperature: -20C to 80C
Air to open, air to close (double acting) or spring to close (spring return)
Can be configured reverse acting
Torque output dependant upon air supply pressure or upon quantity of springs.
Allow a safety factor when sizing.
Valve torque increases when idle for long periods.
Valve torque increases in dry duty applications.
MAX-AIR pneumatic actuator with hard anodized aluminum housing, rack and pinion design. External end stops. Driven by compressed air with air to open, air to close, double acting function or spring to close, single acting. Conforms to ISO5211 for mounting of valves, and Namur plus VDI-VDE3845 for mounting of solenoid valves, limit switch boxes and positioners. CE marked. ATEX Zone I and II certified and SIL 2 rated. Buy MAX-AIR actuators and actuated valves online at AVS.