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Pneumatic valve actuator, quarter turn
Brand: CH-air A Type
Rack and pinion design
Blow-out proof pinion
Housing: Forged 316 stainless steel
Surface finish: Raw forged or mirror polished
Ends: Forged 316 stainless
Pinion: 316 Stainless steel
Pistons: Cast aluminium (SS option)
Driven by dry, filtered compressed air
Min/ max air pressure: 2bar/ 8bar
Min/ max working temperature: -20C to +80C
Air to open, spring to close (spring return) or air to close (double acting)
Can be configured reverse acting
Torque output dependant upon air supply pressure or quantity of springs.
Allow a safety factor when sizing.
Valve torque increases when idle for long periods.
Valve torque increases in dry duty applications.
CH-air pneumatic actuator in forged 316 stainless steel with raw forged or mirror polish finish housing, rack and pinion design, manufactured in the EU. Model ‘A’ Type. Driven by compressed air with air to open, air to close, double or spring acting function. 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 & II certified and Sil 3 rated. Buy CH-air actuators and actuated valves online at AVS.
|Type||Rack and pinion|
|Body Material||Forged 316 Stainless Steel|
|Body Finish||Raw forged finish|
|End Caps||Forged 316 Stainless Steel|
|Pistons||Die cast aluminium|
|Spring Type||Pre-compressed cartridge type|
|Spring material||Epoxy coated spring steel|
|Pinion||Nickel plated steel|
|Seals||NBR Nitrile Rubber|
|Sliding Parts||Acetal resin|
|Grease||High performance synthetic|
|Fasteners||AISI 304 Stainless Steel|