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HECO-TORQUE pneumatic actuators are designed and manufactured to provide the highest cycle-life on the global market.we can accessorize them to accomplish virtually any control requirement.they are available with various mounting dimension configurations and span14 models for appropriate torque compatibility.our extensive inventory and engineering capabilities allow us to respond to your needs with flexibility.we pride ourselves on exceeding customer expectations.contact us for application assistance. 1.double acting and spring return 2.dual travel stops with±5°on 90°position 3.DA and SR common end caps is easy to change DA to SR or diverse 4.NAMUR,ISO5211 mounting dimensions 5.Wide base for direct mount to many butterfly valves and ball valves 6.corrosion resistant:body,hard anodized finish pinon:stainless steel with NIck plated.all nuts and bolts are 304stainless steel. 7.Namur accessory mounting configuration 8.special stroke 180° 270 °360° can provide 9.connection for valves can according to customer's requirement 10.we can provide mounting service for customer