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Series 491 High Thrust Actuator

Brand: CVS Controls Ltd

The CVS Series 491 Pneumatic Actuator is a high thrust, long travel actuator suitable for globe and angle, large capacity valves. 

Available in 12 and 14 inch cylinder diameter, for thrust requirements up to 30,800 lbs (137,000 Newton).

For applications which require travel requirements up to 24 inches (610mm).

The CVS Series 491 actuator is direct or reverse action, and is field reversible, without the need for any additional parts. 

Suitable for on/off service where the action of the cylinder is loaded and unloaded by operation of a pneumatic switching valve, solenoid or similar.

Specifications

Sizes

  • 12” Cylinder
  • 14” Cylinder

Thrust

  • Up to 30,800 lbs (137000 nM)

Travel

  • Up to 24”

Cylinder Pressure

  • Minimum cylinder pressure required for valves with low torque applications is 35 psi (2.4 bar)

Maximum Allowable Cylinder Pressure

  • 12” Cylinder: 250 psi (17.2 bar)
  • 14” Cylinder: 200 psi (13.8 bar)

Operating Ambient Temperature Range

  • -29° C to 81° C (-20° F to 180° F)

Standard Materials

  • Steel, Chrome Plated

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