Manual Gearbox Operator

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Manual Gearbox Operator

declutch gearbox

HDM Declutch Wormgear for Pneumatic Actuator

HDM De-clutchable wormgear offers simple and reliable manual positioning of the valves, dampers and other quarter-turn devices when overriding existing pneumatic, electric or hydraulic

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HGB worm gearbox

HGB Worm Gearbox for Butterfly Valve

HGB series valve manual device adopts worm gear and worm drive pair.and high performance needle roller bearing is installed at both ends of the worm, with compact structure.

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