1 0
    DFT Inc. →

    1" Stainless Steel In-Line Check Valve with Vacuum Breaker

    1" Stainless Steel In-Line Check Valve with Vacuum Breaker

    INL-fc5b31

    Protect your systems with the 1" Stainless Steel In-Line Check Valve with Vacuum Breaker. ANSI/MSS compliant for reliable performance.

    $49.99
    $49.99
    Sale

    Initiate Order

    1" Stainless Steel In-Line Check Valve with Vacuum Breaker

    1" Stainless Steel In-Line Check Valve with Vacuum Breaker

    $49.99

    Quantity: 1

    Claim Your Seller Account

    1" Stainless Steel In-Line Check Valve with Vacuum Breaker

    1" Stainless Steel In-Line Check Valve with Vacuum Breaker

    $49.99

    Quantity: 1

    Delivery via Maden

    Expect your order to arrive on time.

    Secure Payments

    All orders are processed through a secure, PCI-compliant checkout.

    View full details
    The 1" 303 SS BSSV Style Vacuum Breaker Threaded In-Line Check Valve offers superior protection against pressure vessel collapse and pipe damage. Ideal for preventing condensate back-up and siphon breaks in piping systems, it features a stainless steel construction, tight shut-off lapped disc and seat, and spring-assisted silent closing. With compliance to ANSI B1.20.1 and MSS SP-25 standards, this valve is versatile and easy to maintain, making it a reliable choice for antisiphon, boiler feed, steam systems, and more.

    Product Specifications

    Application 0
    Antisiphon Applications | Boiler Feed & Discharge | Heat Exchangers | Irrigation System | Jacketed Pans | Steam Coils | Steam Mains | Steam Systems | Sterilizing Chambers | Storage Ressels | Tanks
    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 470ºF)
    Codes And Standards Ansi
    B1.20.1
    Codes And Standards Mss
    SP-25
    Features 0
    1" to 4" size450 to 6000 CWPThreaded O.D. (MNPT)Unthreaded inlet boreStainless Steel ConstructionSpring-assisted silent closingHorizontal or vertical installationTight shut-off - lapped disc & seatEasy maintenanceVersatile
    Materials Of Construction Disc
    316 SS
    Materials Of Construction Guard
    303 SS
    Materials Of Construction Retaining Ring
    316 SS
    Materials Of Construction Seat
    303 SS
    Materials Of Construction Spring
    316 SS
    Options 0
    Inconel® 750 SpringSoft seat
    Specifications Approx Net Weight Each
    0.38 lb | 0.2 kg
    Specifications Cold Working Pressure
    0 psig | 2500 psig | 0 barg | 172 barg
    Specifications Cv
    5.8
    Specifications Ends
    NPT (Threaded)
    Specifications Friction Loss Feet Of Pipe
    7
    Specifications Friction Loss Meter Of Pipe
    2.1
    Specifications Nominal Size Mnpt A
    1.00 in
    Specifications Series
    Vacuum Breaker
    Specifications Size
    1.00 in | DN 25
    Specifications Style
    BSSV
    Specifications Unthreaded Inlet Bore B
    0.56 in | 14 mm
    Specifications Valve Cracking Pressure
    0.6 psi | 0.041 bar | 16.7 in.water | 424 mm.water | 31.1 mmHg
    Specifications Valve Cracking Pressure Tolerance
    ±10%