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Butterfly Valve

Butterfly valve, also called as flap valve, is a kind of regulating valves which has simple structure. The closure member of butterfly valve is a disc, which revolves around the valve shaft to open or close.
Butterfly valve has a lot of types. Based on the sealing materials, butterfly valve can be classified into soft seal butterfly valve and hard seal butterfly valve.
DATIAN's Butterfly Valves: API 609, concentric, double offset, triple offset, wafer, lug, cast steel, flanged, butt welded, Class 150 - 600, 2 - 96 inch.

wafer multi-layer seal butterfly valve video

wafer multi-layer seal butterfly valve video