Quarter-turn gear operator provides manual operation

Minneapolis, Minn.— Available for on-off and throttling services of 1-in. to 16-in. butterfly valves the Series 4’s weatherproof stainless steel gear operator delivers a torque range of 1,100 to 8,800 lb/in. A self-locking worm and worm gear drive holds the valve in any position. Features include a handwheel, valve positioner indicator, and field adjustable mechanical travel stops. The Series 4 mounts directly on Bray butterfly valves, no brackets or adapters are required. Bray Controls

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