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Gravity Shutters
Gravity Shutters avoids heat loss and entry of wind, rain, and birds. The fins of the shutter are opened by the airflow when the fan is working and they close down by gravity when the fan is switched off.
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Ball Valves
BALL VALVE, BRONZE, C/W HANDWHEEL, PN40, MODEL: EFBV
Full Port, Brass Ball Valves are used in residential and commercial applications for a full range of liquids and gases. They feature a bottom-loaded blowout-proof stem, chrome-plated brass ball, brass adapter, and steel handle. Seats, thrust washer, and adjustable stem packing seal are virgin PTFE.
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QR 88.00View Options