Rotork - RH Range - Extreme-duty Rack and Pinion Actuators
RH rack and pinion hydraulic actuators are engineered to operate ball, butterfly, plug and other quarter-turn valves for either on/off or modulating service. The heavy-duty construction and compact design make this product ideal for skid manufacturers as well as offshore and process applications which require robust yet space saving valve actuation solutions.
RH actuators are available in five body sizes to produce torque output up to 3,700 Nm (29,900 lbf.in) at operating pressures up to 250 bar (3,625 psi). They are available in either double-acting or spring-return configurations.
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Product Overview
- Hydraulic, double-acting actuators
- Balanced, compact design
- Totally enclosed weatherproof housing
- Electroless nickel-plated cylinders with redundant piston seals
- Mechanical interfaces to ISO 5211
- Torque output up to 700,000 Nm (516,293 lbf.ft), up to 5,650,000 N
- (4,167,220 lbf.ft) available on request
- Lifting lugs designed to support the actuator and the valve
- Designed for some of the most challenging valve actuation applications on earth
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