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    ALC® 20" Wafer Check Valve Class 300

    ALC® 20" Wafer Check Valve Class 300

    INL-100f75

    ALC® 20" Wafer Check Valve - Prevent water hammer and reverse flow efficiently with this ASME Class 300 valve.

    $1,899.99
    $1,899.99
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    ALC® 20" Wafer Check Valve Class 300

    ALC® 20" Wafer Check Valve Class 300

    $1,899.99

    Quantity: 1

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    ALC® 20" Wafer Check Valve Class 300

    ALC® 20" Wafer Check Valve Class 300

    $1,899.99

    Quantity: 1

    Delivery via Maden

    Expect your order to arrive on time.

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    The ALC® 20" Wafer Check Valve is a spring-assisted, center guided valve designed to prevent water hammer and reverse flow. Meeting API 594 Face-to-Face dimensions, this check valve is ideal for liquid, gas, or steam applications. With ASME Class 300 rating, stainless steel trim, and Inconel® X-750 spring, it offers reliable performance in various installations. The valve also features tapped holes for lifting lugs, low cracking pressure, and seat leakage per MSS SP-61, ensuring efficient operation and maintenance.

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    Product Specifications

    Application 0
    Autoclaves | Boiler Feed & Discharge | Chemical Lines | Compressor Discharge | Condensate Lines | Cookers | Cooling Towers | Crude & Refined Product Lines | Cryogenics | Digester | Evaporators | Fly Ash System | Generator Inlet & Discharge | Hydraulic Lines | Metering Pumps | Mine Dewatering | Nitrogen Purge | Process Lines | Pump Discharge | Refrigeration | Steam Lines | Vacuum Breaker | Water Lines | Water Treatment
    Available Soft Seat Materials Available Soft Seat Materials
    Buna-N (-70 to 250ºF) | EPDM (-75 to 300ºF) | TFE®-Viton® (-40 to 400ºF) | Viton® (-40 to 400ºF) | Zelon® (37 to 450ºF)
    Codes And Standards Ansi
    B1.1 | B16.34 | B16.5
    Codes And Standards Astm
    A216GR WCB | A351GR CF8M
    Codes And Standards Mss
    SP-25 | SP-6 | SP-61
    Codes And Standards Other
    API 594 | API PED
    Features 0
    API 594 Face-to-Face dimensionsWafer RF endsSpring-assisted silent closingHorizontal or vertical installationSizes 2" thru 24"ASME Class 150 and 300Standard body materials:- A216 WCB- A351 CF8MStainless steel seat, disc & bushingNitronic 60 stemInconel® X-750 Spring0.5 psi cracking pressure springSeat Leakage per MSS SP-61Tapped holes in body for lifting lugs Axial flow Nozzle style
    Materials Of Construction Body
    A216 Grade WCB
    Materials Of Construction Body Material
    Carbon Steel
    Materials Of Construction Bushing
    A479 316
    Materials Of Construction Discstem Assembly
    316 SS/Nitronic 60
    Materials Of Construction Gasketing
    CFG (316SS/Graphite)
    Materials Of Construction Seat
    316 SS
    Materials Of Construction Spring
    Inconel® X-750
    Materials Of Construction Trim
    316 SS
    Options 0
    Body Materials:Alloy 20Hastelloy®Others upon request316 SS springCustom sizing - low flowStellited trimNACESoft-Seat
    Specifications Asme Class
    300
    Specifications B Dia
    25.63 in | 651 mm
    Specifications Cold Working Pressure
    740 psig | 51.06 barg
    Specifications Cracking Pressure Cp
    0.57 psig | 0.039 bar
    Specifications Cv
    6050
    Specifications Dimension A
    11.5 in | 292 mm
    Specifications Dimension B
    25.63 in | 651 mm
    Specifications Ends
    Wafer (RF)
    Specifications Series
    ALC®
    Specifications Size
    20.0 in | DN 500
    Specifications Temperature Rating
    -20 to 450 ºF
    Specifications Weight
    760 lb | 344.7 kg
    Specifications Working Steam Pressure
    620 psig