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    ALC® 4" Wafer Check Valve, ANSI Class 150 & 300, Buna-N Seal

    ALC® 4" Wafer Check Valve, ANSI Class 150 & 300, Buna-N Seal

    INL-8e0a28

    Meet your flow control needs with the ALC® 4" Wafer Check Valve featuring stainless steel trim, Inconel® spring, and Buna-N seal.

    $499.99
    $499.99
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    ALC® 4" Wafer Check Valve, ANSI Class 150 & 300, Buna-N Seal

    ALC® 4" Wafer Check Valve, ANSI Class 150 & 300, Buna-N Seal

    $499.99

    Quantity: 1

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    ALC® 4" Wafer Check Valve, ANSI Class 150 & 300, Buna-N Seal

    ALC® 4" Wafer Check Valve, ANSI Class 150 & 300, Buna-N Seal

    $499.99

    Quantity: 1

    Delivery via Maden

    Expect your order to arrive on time.

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    The ALC® 4" Wafer Check Valve is an in-line, spring-assisted valve designed to prevent water hammer and reverse flow. Meeting API 594 Face-to-Face dimensions, this valve is ideal for liquid, gas, and steam applications. With stainless steel trim, Buna-N seal, and Inconel® X-750 spring, it ensures reliable performance. Features include silent closing, horizontal/vertical installation, and ASME Class 150 & 300 ratings. Optional customizations available. Compliant with ANSI B16.34, API 594, and other industry standards.

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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 (Corrugated Flexible Graphite)
    Materials Of Construction Seat
    Buna-N (75 dur.)
    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
    150 | 300
    Specifications B Dia
    7 in | 177.8 mm
    Specifications Cold Working Pressure
    740 psig | 51.06 barg
    Specifications Cracking Pressure Cp
    0.59 psig | 0.041 bar
    Specifications Cv
    430
    Specifications Dimension A
    2.88 in | 73 mm
    Specifications Dimension B
    7 in | 177.8 mm
    Specifications Ends
    Wafer (RF)
    Specifications Series
    ALC®
    Specifications Size
    4.00 in | DN 100
    Specifications Temperature Rating
    -20 to 250 ºF
    Specifications Weight
    17.4 lb | 7.9 kg
    Specifications Working Steam Pressure
    665 psig