GO Duck Bill Check Valve 3" to 36" DBF Range

SKU: DBFES-80

GO Duck Bill Check Valve 3" to 36" DBF Range

Our large range of flanged duckbill check valves are made to order and are available from 50mm to 2400mm in all flange patterns.

Typical applications include sewer interceptors, mine tailing systems, pipe outfall, flood mitigation, dredging, wet/dry wells, submerged outfall and scrubber systems. Comes with 316 Stainless Steel backing flange to avoid corrosion and enable saline environments.

  • Size 50mm to 2800mm
  • Body Neoprene
  • Models Flanged Duck Bill Check
  • Flange 316 Stainless Steel

  • Bolt directly onto headwall, tank wall or pipe flange

    The majority of these are made to order so please contact us for price and availability.

    ·         Prevents Backflow

    ·         No mechanical parts

    ·         Will not corrode

    ·         Self Draining which eliminates standing water

    ·         Low Head loss

    ·         Low Cracking Pressure

    ·         Non Slamming silent operation

        A check valve, clack valve, non-return valve or one-way valve is a valve that normally allows fluid to flow through it in only one direction.

        Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. There are various types of check valves used in a wide variety of applications.  Although they are available in a wide range of sizes and costs, check valves generally are very small, simple, or inexpensive.

        Check valves work automatically and most are not controlled by a person or any external control; accordingly, most do not have any valve handle or stem. The bodies (external shells) of most check valves are made of plastic or metal.

        An important concept in check valves is the cracking pressure, which is the minimum upstream pressure at which the valve will operate. Typically the check valve is designed for and can therefore be specified for a specific cracking pressure.

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