Rotork LP/LH Linear Pneumatic Actuator
Rotork
产品编号: LP/LH
生产厂家: Rotork
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Description for Rotork LP/LH Linear Pneumatic Actuator
Pneumatic and Hydraulic Actuators for Linear ValvesRotork manufacture a comprehensive range of double-acting and spring-return pneumatic and hydraulic actuators to suit all valve sizes. Our LP/LH linear actuators offer the advantages of compact size, high performance and a simple but highly reliable design. They are ideal for operating on/off and control functions of both globe and wedge gate valves. Both spring-return and double-acting configurations are available with either pneumatic or hydraulic cylinders.LP/LH actuators can be fitted with handwheel (both fixed and declutchable) or hydraulic manual override if desired. They are available in both spring-down and spring-up travel direction.Key design featuresCarbon steel design single and double-acting cylinders. These are electroless nickel-plated to reduce surface roughness and to provide minimum friction and maximum protection against corrosion.The piston rods are carbon steel and chromium-plated. This helps prevent corrosion and minimises sliding friction on the dynamic seals. The rubber seals help to avoid slip effect, even after prolonged periods without operation.The visual position indicator is directly connected to the valve stem and shows actuator/valve full linear stroke.Totally enclosed carbon steel spring cartridge.Approvals and industry standardsActuators certified in accordance with ATEX DirectiveActuators certified in accordance with PED DirectiveActuators certified in accordance with EACActuators certified IP66M/67M in accordance with IEC 60529Max. Thrust:Pneumatic double-acting: 1,800,000 N (404,656 lbs). Pneumatic spring-return (spring end thrust): 186,000 N (41,814 lbs). Hydraulic double-acting: 5,500,000 N (1,236,450 lbs). Hydraulic spring-return (spring end thrust): 400,000 N (89,925 lbs).
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