Keystone Pneumatic Actuators MRP and MRA quarter-turn valves Actuators
A comprehensive range of pneumatic actuators, providing compact, reliable and economical powered operation for all types of quarter-turn valves.
Features & Benefits:
- Direct mounting to all Keystone Butterfly Valves.
- Double Rack & Pinion design nullifies sideloads on the pinion shaft, minimizing bearing wear and extending life.
- Double Acting or Spring Return models utilize the same compact body design.
- Aluminum body, hard anodized externally and internally, for corrosion and wear resistance.
- Electrostatic powder coating (ESPC) finish, external on body, internal and external on end caps, protects against corrosive environments.
- Adjustable travel stops.
- Safe end cover bolting requiring no special tools.
- Anti-blowout drive pinion.
- Over travel adjustment (at each end) +5°.
- Under travel adjustment (at each end) -10°.
- Easy field conversion between DA and SR models.
- Technical Data
Torque output range:
Double Acting 238 - 18180 lbs in
Spring Return 132 - 12515 lbs in
Operating medium: Air (dry or lubricated)
Travel adjustment:
Over travel (at each end) +5°
Under travel (at each end) -10°
Increased under travel is available, on request.
Temperature Range: -20°F to 210°F
Air Supply Pressure: 120 psi maximum
Mounting Specifications Actuator to valve: Keystone standard Accessories: NAMUR VDI/VDE 3845 or Keystone standard
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