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No Emission WCB Duo Check Valve Wafer Type Fire Safe Design For Hazardous Services

Categories Wafer Check Valve
Brand Name: TEKO
Model Number: H76X
Certification: CE/PED, API
Place of Origin: Made in China
MOQ: 1 piece
Price: By negotiation
Payment Terms: L/C, T/T, Western Union, MoneyGram
Supply Ability: 350 tons per year
Delivery Time: 15 working days after deposit
Packaging Details: By export wooden cases
Trim Material: Trim5,Tirm8 OR trim10
Retainerless: Yes
Port Size: 2"-36"
Structure: Retainerless Duo Check
Design Standard: API 594
Installation: Vertical or Horizontal
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    No Emission WCB Duo Check Valve Wafer Type Fire Safe Design For Hazardous Services

    Silent Retainerless No Emission WCB Wafer Duo Check Valve For Hazardous Services


    The retainerless design means that they do not drill completely through the body of the valve to enable installation of the hinge-pin and stop-pin of a dual-plate check. It eliminats the possibility of outside leakage


    Retainerless dual-plate check valves for a broad range of applications.

    • Retainerless valve body; meaning, no penetration through the body wall
    • Fire safe design
    • Self-seating design that reduces dragging along the seat surfaces
    • Lapped seating surfaces that exceed API 598 seat leakage requirements for metal-seated valves
    • An uninterrupted gasket surface
    • Shock bumpers minimize shock-force on internal components
    • Immediately responsive spring design to changes in flow characteristics

    Features and benefits


    Lightweight and Compact Wafer DesignInstalls between mating flanges with 10 to 20% the weight of flanged swing checks in popular sizes - Saves money in initial valve cost and provides lower installation cost.
    Dual Plate, Flat Seat DesignPlate heel is lifted first by design to prevent seat wear. Employs two spring Ioaded plates with flat seats - Gives superior performance and bubbletight shutoff with resilient seats.
    Independent Spring ActionMaximum deflection of 140°, provides improved valve response and longer life - Saves money with longer valve life and improved system performance by reducing water hammer.
    Independent Plate Suspension with Unique Hinge Design (larger sizes)Improves valve response and reduces friction forces by 66% - Further assurances of non-slam performance with faster valve response.
    Simple, External Body GeometryConfiguration simplifies valve insulation - Saves money.
    Variety of Body Designs Available - Lug and Double FlangeProvides options to suit application needs - Eases your selection process by utilizing the industry leader as your single source.
    Wide Variety of MaterialsVersatility for many services - Satisfies more application needs.
    Flexibility in Installation PositionProvides more rigidity than pipe, eliminating concerns of pipe bending loads of flanged valves - Safety against thermal or seismic catastrophes.
    Body Strength and RigiditySome sizes suitable for horizontal or vertical up positions -Simplifies piping design, eliminates constraints that swing checks create.
    Retainerless Duo-Chek Design Eliminates Body PenetrationsFor critical service applications, prevents possible escape of unwanted and/or hazardous materials to atmosphere - Safety in critical services eliminates and/or environmental concerns. Standards in Lug and Double Flange Designs.
    Vertical Hinged DesignIn horizontal position flow allows plates to function freely and full open under lower flow conditions as compared to swing check - Reduces pressure loss, improves dynamic response and eliminates valve chatter.

    Cheap No Emission WCB Duo Check Valve Wafer Type Fire Safe Design For Hazardous Services for sale
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