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