Product Description
Cast Iron Flap Valveare designed for use on the discharge end of pipes to prevent backflow or intrusion into the pipe. Typical applications include discharges to reservoirs, ponding basins and standpipes. Permits the outflow of water from a pipe or structure while preventing backflow. Used in reservoirs, tidal basins, ponding basins, pump stands and storm drain systems where seating heads are less than ten feet.
Features and Benefit
· Material as FRP, carbon steel, stainless steel, cast iron, HDPE for select
· Wide supply range(100mm to 3000mm or larger), customized designs available
· Reliable backflow prevention
· Smart design eliminates maintenance
· Corrosion resistant, will not warp or freeze open or shut
· No cracking pressure needed, low head loss, can be completely open to flood discharge
· Environmentally-friendly
Specifications
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Nominal diameter:
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DN25mm to DN3000mm, customizing design available
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Maximum working pressure:
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25 meter water
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Operating temperature:
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-20°C-100°C(for usual)
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Open angle
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>90 Deg
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Corrosion resistance
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Yes
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Applicable media
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Sea water, drinking water, slurry, industrial sewage.
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Components/Materials/Functions
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NO.
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Components
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Materials
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Functions
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1
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Seat
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By Request
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Support
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2
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Flange
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By Request
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Fasten
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3
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Gate
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By Request
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Flow Control
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4
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Seal
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By Request
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Seal
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5
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Sleeve
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HDPE
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Anti-abrasion
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6
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Hinge Pine
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SS 304
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Hinge
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7
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Nut
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SS 304
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Fasten
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8
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Cotter Pin
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SS 304
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Fasten
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9
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Eye Bolt
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SS 304
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Support
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