Linear Pneumatic Actuator, Operating PSI Range 8 to 13, Max. Air Pressure 25 psi, Stroke 3-1/2 In., Nominal Spring Range 8 to 13 psi, Mounting Type Fixed, Net Force Exerted @ 0 PSI 160 lb., Net Force Exerted @ 18 PSI 83 lb., Length 20-1/2 In., Width 6-5/8 In., Height 8 In., Provides Control of Medium to Large Dampers, For Use With Medium to Large Dampers, Includes External Mounting Bracket, Crank Arm Assembly, and Positive Positioner
- Proportional control of dampers in either independent or sequence operation. KMC models are for use on VAV terminals, small dampers, and valves. 3/16" fitting for 1/4" tubing, 1/2" mounting hole diameter. Operating temperature limit: -20 to 180 F. Honeywell 3UC22, 3UC23, 3UC24 have no bracket or ball joint, and are for direct replacement. Siemens models have pivot mounting. Johnson Controls models respond to a pneumatic controller or electro-pneumatic transducer, and are used with dampers up to a maximum area of 16 sq. ft. for proportional volume control and 25 sq. ft. for 2-position actuation.