stainless steel square flap gate valve
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cast iron square flap gate valve
flap gate valve Flap Valve stainlesss steel flap valve
Installed at the tail end of the drainage pipe, the flap valve has the function of preventing backfilling of external water. The clapping door is mainly composed of four parts: seat, valve plate, water seal ring and hinge. Shapes are divided into circles and squares.
. Drainage measures: Drainage from the original chimney drainage wells, no additional drainage devices
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Material of main parts
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Body
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stainless steel
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Board
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stainless steel
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Hinge
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Stainless steel
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Bushing
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Stainless steel
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Pivot Lug
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Carbon steel
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