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Black Malleable Iron Back Nut

Malleable Iron Pipe Fittings

M.I fittings meet BS EN 10242:1995, BS EN 10242 and BS 143
& 1256, international standards, which has been verified by the
British Standards Institute (BSI) and are permitted to bear the
British Standards Kitemark Logo – Kitemark Licence No. KM67015.
MI fittings are approved by UL and FM.

  • End Connections


  • Threads

    ISO 228

  • Material

    M.I fittings conform to BS EN 1562 Designation
    EN-GJMB-350-10, ASTM A197 and ISO 5922.

  • Sizes Available

    1/2″ – 4″

  • Commodity / HS Code


Available options

Part No
MIBBN-1/21/2″Black MI Back Nut
MIBBN-3/43/4″Black MI Back Nut
MIBBN-11″Black MI Back Nut
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