BARBER COLMAN MK-4621-0-0-1 PNEUMATIC ACTUATOR
robertshaw / tac / siebe / invensys
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DESCRIPTION
11 square inch effective diaphragm area.
Used with TAC VB-7xxx series valves for proportional pneumatic control of hot water or chilled water valves.
The MK-46xx and MK4-46xx Series may also be mounted on discontinued 1/2” through 1-1/4” TAC VB-111, VB-131, VB314, and VB-9xxx series valves.
Features
– Rugged die cast aluminum housing
– Replaceable beaded molded neoprene diaphragm
– Built-in spring to retract output shaft on loss of air pressure
– Adjustable start point
– Multiple spring ranges for various applications
-1/2” nominal stroke