• Check Valve - Cast Iron, Swing, Flanged, F-918-B


    Check Valve - Cast Iron, Swing, Flanged
    The NIBCO® cast 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 check valve is recommended for commercial and industrial steam, water, oil and gas services. The valve is Class 125 flanged iron body and bronze mounted trim (IBBM).
    View Submittal Sheet

    • 125 psi/8.6 bar saturated steam to 353°F/178°C
    • 200 psi/13.8 bar non-shock cold working pressure
    • Bronze mounted trim
    • Bolted bonnet
    • Renewable seat and disc
    • Class 125 flanged end connections
    • Use in U.S. drinking water applications is prohibited after January 3, 2014
    • Conforms to MSS SP-71 Type 1
    • Size range 2" to 12"
    SizeDescriptionUPCNIBCO #BIM/CADProp 65
    2F918B 2 FLGD CHECK CAST IRON039923703422NHE300DView 2DLead
    2F918W 2 FLG CK RUBBER DISC CI039923704290NHE500DLead
    2F918-31 2 FLG CI CHK WITH LOW ZINC TRIM039923337108NHE301DLead
    2F918BGG 2 CK W/GRAPHITE GSK CI039923703590NHE30NDView 2DLead
    2 1/2F918B 2 1/2 FLGD CHECK CAST IRON039923703439NHE300EView 2DLead
    2 1/2F918BGG 21/2 CK W/GRAPHITE GSK CI039923703606NHE30NEView 2DLead
    2 1/2F918BLS 21/2 W/LEV & SPRING CI039923703705NHE3S0EView 2DLead
    2 1/2F918BLSSSP 21/2 W/L&S SS SPINDLE CI039923704009NHE3SSEView 2DLead
    2 1/2F918BLW 21/2 W/LEVER & WEIGHT CI039923703804NHE3U0EView 2DLead
    2 1/2F918BLWSSP 21/2 W/SS SPINDLE CI039923704108NHE3USEView 2DLead
    2 1/2F918W 21/2 FLG CK RUBBER DISC CI039923704306NHE500ELead
    2 1/2F918Y 21/2 FLGD CK PTFE DISC CI039923704504NHE580ELead
    2 1/2F918-31 21/2 FLG CI CHK W/ LOW ZINC TRIM039923337115NHE301ELead
    3F918BGG 3 CK W/GRAPHITE GSK CI039923703613NHE30NFView 2DLead
    3F918BLS 3 W/LEV & SPRING CI039923703712NHE3S0FView 2DLead
    3F918B 3 FLGD CHECK CAST IRON039923703446NHE300FView 2DLead
    3F918BLSSSP 3 W/L&S SS SPINDLE CI039923704016NHE3SSFView 2DLead
    3F918BLW 3 W/LEVER & WEIGHT CI039923703811NHE3U0FView 2DLead
    3F918BLWZ 3 W/LEV & W/BY-PASS CI039923704214NHE3U8FView 2DLead
    3F918W 3 FLG CK RUBBER DISC CI039923704313NHE500FLead
    3F918Y 3 FLG CK PTFE DISC CI039923704511NHE580FLead
    3F918BLW 3 W/LEV & WT W/NO BOLT HOLES039923132833NHE3UNFView 2DLead
    3F918-31 3 FLG CI CHK WITH LOW ZINC TRIM039923337122NHE301FLead
    4F918BGG 4 CK W/GRAPHITE GSK CI039923703620NHE30NHView 2DLead
    4F918BLS 4 W/LEV & SPRING CI039923703729NHE3S0HView 2DLead
    4F918BLSSSP 4 W/L&S SS SPINDLE CI039923704023NHE3SSHView 2DLead
    4F918B 4 FLGD CHECK CAST IRON039923703453NHE300HView 2DLead
    4F918BLW 4 W/LEVER & WEIGHT CI039923703828NHE3U0HView 2DLead
    4F918BLWZ 4 W/LEV & W/BY-PASS CI039923704221NHE3U8HView 2DLead
    4F918W 4 FLG CK RUBBER DISC CI039923704320NHE500HLead
    4F918-31 4 FLG CI CHK WITH LOW ZINC TRIM039923337139NHE301HLead
    5F918BGG 5 CK W/GRAPHITE GSK CI039923703637NHE30NJView 2DLead
    5F918BLS 5 W/LEV & SPRING CI039923703736NHE3S0JView 2DLead
    5F918BLSSSP 5 W/L&S SS SPINDLE CI039923704030NHE3SSJView 2DLead
    5F918BLW 5 W/LEVER & WEIGHT CI039923703835NHE3U0JView 2DLead
    5F918B 5 FLGD CHECK CAST IRON039923703460NHE300JView 2DLead
    5F918W 5 FLG CK RUBBER DISC CI039923704337NHE500JLead
    5F918-31 5 FLG CI CHK WITH LOW ZINC TRIM039923337146NHE301JLead
    6F918BGG 6 CK W/GRAPHITE GSK CI039923703644NHE30NKView 2DLead
    6F918BLS 6 W/LEV & SPRING CI039923703743NHE3S0KView 2DLead
    6F918BLSSSP 6 W/L&S SS SPINDLE CI039923704047NHE3SSKView 2DLead
    6F918BLW 6 W/LEVER & WEIGHT CI039923703842NHE3U0KView 2DLead
    6F918BLWZ 6 W/LEV & W/BY-PASS CI039923704245NHE3U8KView 2DLead
    6F918BLWSSP 6 W/SS SPINDLE CI039923704146NHE3USKView 2DLead
    6F918B 6 FLGD CHECK CAST IRON039923703477NHE300KView 2DLead
    6F918W 6 FLG CK RUBBER DISC CI039923704344NHE500KLead
    6F918-31 6 FLG CI CHK WITH LOW ZINC TRIM039923337153NHE301KLead
    8F918BGG 8 CK W/GRAPHITE GSK CI039923703651NHE30NLView 2DLead
    8F918BLS 8 W/LEV & SPRING CI039923703750NHE3S0LView 2DLead
    8F918BLSSSP 8 W/L&S SS SPINDLE CI039923704054NHE3SSLView 2DLead
    8F918BLW 8 W/LEVER & WEIGHT CI039923703859NHE3U0LView 2DLead
    8F918W 8 FLG CK RUBBER DISC CI039923704351NHE500LLead
    8F918B 8 FLGD CHECK CAST IRON039923703484NHE300LView 2DLead
    8F918-31 8 FLG CI CHK WITH LOW ZINC TRIM039923337160NHE301LLead
    10F918BGG 10 CK W/GRAPHITE GSK CI039923703668NHE30NMView 2DLead
    10F918BLS 10 W/LEV & SPRING CI039923703767NHE3S0MView 2DLead
    10F918BLSSSP 10 W/L&S SS SPINDLE CI039923704061NHE3SSMView 2DLead
    10F918BLW 10 W/LEVER & WEIGT CI039923703866NHE3U0MView 2DLead
    10F918-31 10 FLG CI CHK WITH LOW ZINC TRIM039923337177NHE301MLead
    10F918B 10 FLG CHECK CAST IRON039923703491NHE300MView 2DLead
    12F918BGG 12 CK W/GRAPHITE GSK CI039923703675NHE30NNView 2DLead
    12F918BLS 12 W/ LEV & SPRING CI039923703774NHE3S0NView 2DLead
    12F918BLSSSP 12 W/L&S SS SPINDLE CI039923704078NHE3SSNView 2DLead
    12F918BLW 12 W/LEVER & WEIGHT CI039923703873NHE3U0NView 2DLead
    12F918B 12 FLGD CHECK CAST IRON039923703507NHE300NView 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