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FFlowserve

Flowserve - Quarter-Turn Gearbox (HBC Series)

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The HBC Series quarter-turn gearbox is a worm gearbox engineered for actuating butterfly, ball, and plug valves, as well as dampers in both manual and motorized applications. Its ductile iron housing and roller bearing-supported shafts ensure high strength and durability. The gearbox is suitable for weatherproof, submersible, buried, and nuclear-qualified services. Features include a splined valve shaft adapter, self-locking gearing, and a bronze worm gear paired with an alloy steel worm shaft for increased uptime. Proven over decades, it is widely used in industries such as water, wastewater, oil and gas, power, and general manufacturing.

The HBC Series quarter-turn gearbox is a worm gearbox engineered for actuating butterfly, ball, and plug valves, as well as dampers in both manual and motorized applications. Its ductile iron housing and roller bearing-supported shafts ensure high strength and durability. The gearbox is suitable for weatherproof, submersible, buried, and nuclear-qualified services. Features include a splined valve shaft adapter, self-locking gearing, and a bronze worm gear paired with an alloy steel worm shaft for increased uptime. Proven over decades, it is widely used in industries such as water, wastewater, oil and gas, power, and general manufacturing.

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