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1、Established Leaders in Actuation TechnologyPneumatic and Hydraulic Actuators for Quarter-Turn ValvesGP municipal water and wastewater treatment; power generation; and the chemical and process industries.With over fifty years of engineering and manufacturing expertise, we have tens of thousands of su
2、ccessful valve actuator installations throughout the world.3Established Leaders in Actuation TechnologyGP Range Quarter-Turn Pneumatic ActuatorsGH Range Quarter-Turn Hydraulic ActuatorsVersatilityRotork GP and GH range actuators share a modular construction design. The centre body is available in ni
3、ne sizes. A pneumatic or hydraulic cylinder can be attached to either or both sides. A spring cartridge can also be fitted to either side for Emergency Shut Down (ESD) applications. Modular construction and stocking of components by Rotork Fluid Systems Centres of Excellence and a worldwide network
4、of distributors facilitates quick delivery times.4Inside the GP/GH Range ActuatorEvery Rotork Fluid Systems actuator is built to provide long and efficient service with minimum maintenance. The design, engineering and materials used in their construction ensure optimum performance even in the harshe
5、st of environments.Operating Pressure: Pneumatic up to 12 bar (175 psi) Hydraulic up to 210 bar (3,000 psi) Torque Output: Up to 600,000 Nm (5.3 million lbf-in) Temperature Ranges:Standard: -30 to 100 C (-22 to 212 F) High: -20 to 160 C (-4 to 320 F) Low: -40 to 160 C (-40 to 320 F) Extreme Low: -60
6、 to 160 C (-76 to 320 F) Efficiency and Long LifeMinimum friction is ensured by electroless nickel-plated cylinders and bronze sliding blocks on the torque arm. A dynamic floating piston seal further reduces friction and avoids stick-slip effect, even after prolonged periods without operation. Envir
7、onmental ProtectionO-ring sealing provides protection certified to IEC IP66M, IP67M.Corrosion ResistanceExtended service life provided by carbon steel, electroless nickel-plated cylinders and chromium plated piston rod. Robust Yet Lightweight DesignTotally enclosed weatherproof centrebody fabricated
8、 in carbon steel or ductile iron (depending upon size) provide an excellent strength to weight ratio. The scotch yoke mechanism is available in either symmetric or canted design to meet application specific valve torque demand requirements with minimum cost and weight. The design incorporates a chro
9、mium plated alloy steel thrust bar to support the transverse loads of the scotch yoke.Available OptionsManual override solutions. Stainless steel cylinders and tie rods. Custom paint specifications. Fibreglide yoke bushing for modulating duty applications.12292827215232411111912 1314 18152671125 9 8
10、1020GP and GH range torque output and dimensional data are available directly from For quarter-turn pneumatic applications with torque requirements below that of the GP range, Rotork Fluid Systems offers two smaller ranges of scotch yoke actuators with outputs up to 4,500 Nm (39,828 lbf-in). Consult
11、 PUB013-001 (CP range) and PUB014-001 (RC200/RCI200 range).For quarter-turn hydraulic applications with torque requirements below that of the GH range, we offer a robust range of ductile iron bodied rack and pinion actuators with outputs up to 3,700 Nm (29,900 lbf-in). Consult RH range brochure F402
12、.5Established Leaders in Actuation TechnologyFor a complete list of parts and materials, refer to the GP/GH range Installation and Maintenance Manual F130.ITEM DESCRIPTION MATERIAL 1 2 3 4 567891011121314151617181920212223242526272829CentrebodyYokeYoke BushingThrust BarSliding BlockPressure Relief V
13、alveGuide BlockTie RodPiston RodPistonRod BushingStop ScrewEnd FlangeO-ringSealO-ringSliding RingO-ringPneumatic CylinderO-ringSealSpring CartridgeSpringConnecting RodSealHead FlangeHydraulic CylinderSealBottom FlangeCarbon Steel or Ductile IronCarbon Steel or Ductile IronBronzeAlloy Steel (chromium
14、-plated)BronzeStainless Steel (not shown)Carbon SteelAlloy SteelCarbon Steel (chromium-plated)Carbon SteelSteel / Bronze / PTFEAlloy SteelCarbon SteelNBRNBR / PTFE / GraphiteNBRPTFE / GraphiteNBRCarbon Steel (electroless nickel-plated)NBRNBR / PTFE / BronzeCarbon SteelAlloy SteelAlloy Steel (chromiu
15、m-plated)NBRCarbon SteelCarbon Steel (electroless nickel-plated)NBR / PTFECarbon Steel121 4 3 212222311411710 169875Approvals and Industry Standards Actuators certified in accordance with ATEX 94/9/EC. Actuators certified in accordance with PED 97/23/EC. GOST-R Russian certificate of conformity. GGT
16、N-R Russian Rostechandzor RTN Permit. Complies with EN60529 (1991) + (A1:2000) for IP66M/67M. Management system in accordance with ISO 9001:2008. Certified suitable for use at SIL3 as a single device in accordance with IEC 61508.See publication G101 or for SIL data.6Optional FeaturesManual OverrideA dependable manual override facility is an important part many valve/actuator applications. Rotork has a variet
