PN and HY-Series pneumatic and hydraulic scotch-yoke valve actuators have been designed specifically to guarantee long cycle life in the most demanding applications and environmental conditions. A fabricated steel frame, coupled with an all-steel construction, results in lighter and more corrosion resistant scotch-yoke valve actuators than traditional designs employing castings. A light design, superior corrosion resistance and an Ingress Protection rating of IP66 as standard make PN & HY-Series scotch-yoke valve actuators an ideal choice for offshore applications, or any other in which weight and corrosion resistance are critical design considerations.
Automation of any quarter-turn mechanism; including ball, butterfly & plug valves and louvers & dampers.
Third party approved for use in SIL 3 certified systems
Electroless nickel plated cylinder as standard with hard chromium plating, Xylan® or Electro-film available
Springs contained within a fully welded canister (which is post weld heat treated) to guarantee simple and safe removal
Springs are scragged (set removal) in order to warrant optimum and stable output torque characteristics
Easy and economical maintenance due to simplified design, no special tools required
Compliant to PED 97/23/EC
Modular construction means greater flexibility when selecting cylinder/spring combinations, and reduces production downtime during field servicing
Various scotch-yoke configurations (symmetrical, demi-canted and canted) allows for optimum and cost effective valve actuator sizing
Suitable for high frequency and high speed operation
Guide bar frame design used to eliminate side forces and low friction seals ensure high efficiency, even at low supply pressures
Looking for a competitive valve automation solution? Request a product quotation to find out how our technology can benefit your operation.
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View our Valve Automation Glossary to learn common industry terms and definitions.
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Scotch-Yoke Actuator Gallery
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