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eccentric wafer butterfly valve

Lug type a manual-operated wafer butterfly valve worm gear actuated flange triple eccentric butterfly valve triple offset butterfly valve spiral butterfly
Dex double eccentric butterfly valve. the av-tek ® dex butterfly valves have a double offset disc design that allows the disc to move off the seat reducing torque and seat wear. operation of the dex may be done with a gearbox and handwheel
The double eccentric butterfly valves incorporate an easy replaceable seat for on/off and control services for liquids and gasses in the power, marine, chemical and petro chemical industry, on-/offshore applications. double eccentric wafer type double eccentric wafer type
The butterfly valve can be centric or eccentric. on a centric (concentric) butterfly valve the stem is centered in the middle of the disc and the disc centered in the bore. the eccentric butterfly valve has one or more stems (stub shafts) located offset from the center according to the categories of double and triple offset valves.

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