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Single Acting Spring Return Quarter Turn Pneumatic Actuators

Spring-return quarter-turn pneumatic actuators for fail-close or fail-open duty. Scotch-yoke or rack-and-pinion, NAMUR top works, ISO 5211 valve interface and optional hydraulic or gear override.

Product Details

Features And Specifications

Rack & pinion and piston actuating mechanism for small size actuators

Scotch yoke and piston actuating mechanism for larger size actuators

Top of the actuator with NAMUR mounting design facilitates limit switch and positioner mounting.

ISO5211 bottom flange facilitates valve connecting.

Teflon lined cylinder bore provides corrosion resistance and reliability.

Optional local manual override such as side jackscrew and hydraulic pump

 

Production Range

Standard Air Supply: 4 bar~7 bar
Output Torque Range in 15 model numbers
At 4 bar air supply
Air Break Torque: 18 N.m~43257 N.m, Air End Torque: 12 N.m~31306 N.m
At 5 bar air supply
Air Break Torque: 25 N.m~61745 N.m, Air End Torque: 20 N.m~50190 N.m
At 6 bar air supply
Air Break Torque: 33 N.m~80232 N.m, Air End Torque: 28 N.m~69073 N.m
At 7 bar air supply
Air Break Torque: 40 N.m~98720 N.m, Air End Torque: 36 N.m~87956 N.m
Spring Return Break Torque: 18 N.m~48100 N.m
Spring Return End Torque: 12 N.m~34100 N.m

 

Single Acting Spring Return Quarter Turn Pneumatic Actuators

E-mail: phima@phimavalve.com
Tel: +86-28-61558179