• Check Valve - Class 150, Ductile Iron, F-938-31


    Check Valve - Class 150, Ductile Iron
    The NIBCO® ductile iron horizontal swing check valve is designed with renewable seat and disc. The swing check valve prevents backflow by automatically closing when fluid reverses direction. The ductile iron Class 150 check valve features raised face flanged end connections for easy installation. It is equipped with a bolted bonnet for maintenance accessibility. The swing check valve includes a renewable cast bronze seat and disc. The check valve is recommended for commercial and industrial steam, water, oil and gas services.
    Build Custom Submittal View Submittal Sheet

    • 250 psi/17.2 bar non-shock cold working pressure
    • 150 psi/10.3 bar saturated steam to 366°F/185°C
    • Iron body, bronze mounted (IBBM)
    • Bolted bonnet
    • Renewable seat and disc
    • Bronze mounted trim
    • Class 150 flanged end connections
    • Conforms to MSS SP-136
    • Size range 2" to 12"
    SizeDescriptionUPCNIBCO #BIM/CADProp 65
    2F93831 2 FLG CK DI039923705174NHE930DView 2DLead
    2F93831FF 2 CHECK W/FF FLG DI039923001320NHE93ADView 2DLead
    2 1/2F93831 21/2 FLG CK DI039923705181NHE930EView 2DLead
    3F93831FF 3 CHECK W/FF FLG DI039923001337NHE93AFView 2DLead
    3F93831LW 3 FLG CK W/LEV & WT DI039923705099NHE93LFView 2DLead
    3F93831LS 3 FLG CK W/LEV & SPR DI039923705006NHE93SFView 2DLead
    3F93831 3 FLG CK DI039923705198NHE930FView 2DLead
    4F93831FF 4 CHECK W/FF FLG DI039923830357NHE93AHView 2DLead
    4F93831LS 4 FLG CK W/LEV&SPR DI039923705013NHE93SHView 2DLead
    4F93831LW 4 FLG CK W/LEV&WT D I039923336651NHE93LHView 2DLead
    4F93831 4 FLG CK DI039923705204NHE930HView 2DLead
    5F93831FF 5 FLG CK W/FF FLG DI039923406354NHE93AJView 2DLead
    5F93831 5 FLG CK DI039923705211NHE930JView 2DLead
    6F93831FF 6 CHECK W/FF FLG DI039923830371NHE93AKView 2DLead
    6F93831LS 6 FLG CK W/LEV & SPRING DI039923705020NHE93SKView 2DLead
    6F93831 6 FLG CK DI039923705228NHE930KView 2DLead
    8F93831FF 8 CHECK W/FF FLG DI039923830388NHE93ALView 2DLead
    8F93831 8 FLG CK DI039923705235NHE930LView 2DLead
    10F93831FF 10 CHECK W/FF FLG DI039923830395NHE93AMView 2DLead
    10F93831LW 10 FLG CK W/LEV&WT D I039923705143NHE93LMView 2DLead
    10F93831 10 FLG CK DI039923705242NHE930MView 2DLead
    12F93831FF 12 CHECK W/FF FLG DI039923830401NHE93ANView 2DLead
    12F93831 12 FLG CK DI039923705259NHE930NView 2DLead
    WarningWARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

    NIBCO® Pressure Rated Valves Warranty

    NIBCO INC. 125% LIMITED WARRANTY
    Applicable to NIBCO INC. Pressure Rated Metal Valves

    NIBCO INC. warrants each NIBCO® pressure rated metal valve to be free from defects in materials and workmanship under normal use and service for a period of five (5) years from date put into service.

    In the event any defect occurs which the owner believes is covered by this warranty, the owner should immediately contact NIBCO Technical Services, either in writing or by telephone at 1.888.446.4226 or 1.574.295.3000. The owner will be instructed to return said product, at the owner’s expense, to NIBCO INC., or an authorized representative for inspection. In the event said inspection discloses to the satisfaction of NIBCO INC. that said valve is defective, it will be replaced at the expense of NIBCO INC.. Replacements shall be shipped free of charge to the owner. In the event of the replacement of any valve, NIBCO INC. shall further pay the owner the greater of twenty-five (25%) percent of the price of the valve according to the published suggested list price schedule of NIBCO INC. in effect at the time of purchase, or ten ($10.00) dollars, to apply on the cost of the installation of said replacement valve.

    TO THE EXTENT PERMITTED BY LAW, THIS WARRANTY SPECIFICALLY EXCLUDES INCIDENTAL AND CONSEQUENTIAL DAMAGES OF EVERY TYPE AND DESCRIPTION RESULTING FROM ANY CLAIMED DEFECT IN MATERIAL OR WORKMANSHIP, INCLUDING BUT NOT LIMITED TO, PERSONAL INJURIES AND PROPERTY DAMAGES.

    Some states or countries do not allow the exclusion or limitation of incidental or consequential damages so these limitations may not apply to you. TO THE EXTENT PERMITTED BY LAW, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED IN DURATION.

    This warranty gives you specific legal rights, and you may also have other rights which vary from state to state and country to country.

    To the best of our knowledge, the information contained in this publication is accurate. However, NIBCO does not assume any liability whatsoever for the accuracy or completeness of such information. Final determinations of the suitability of any information or product for the use to be contemplated is the sole responsibility of the user. The manner of that use, and whether there is any infringement of patents, is also the sole responsibility of the user.

    Pressure Rated Valves

    State quantity, figure number and size for each valve or fitting you wish to order. See individual catalog pages for specific product designations.

    HOW MANY TO ORDER
    NIBCO® valves and fittings are decimal packed for your convenience in handling, shipping and stock-keeping. Number in master carton varies with item.

    POLICY ON RETURNS TO FACTORY

    No NIBCO® valves and fittings are to be returned without prior written agreement. Transportation must be prepaid. A 20% charge will be made to cover cost of rehandling and reinspection.  

    TECHNICAL ASSISTANCE

    Engineers, contractors, wholesalers or manufacturers may obtain special or technical assistance from any factory representative of NIBCO. Write, fax or phone.

    NIBCO INC.
    World Headquarters
    1516 Middlebury Street
    Elkhart, IN 46516-4740
    USA

    PH: 1.574.295.3000 or 1.888.446.4226
    FAX: 1.574.295.3307 or 1.888.336.4226