GO Galvanised Malleable Iron Bush Range Scr BSP BS EN 10242

SKU: LB0806


GO Galvanised Malleable Iron Bush Range Scr BSP BS EN 10242

Bushings are hollow plugs with threads on the outside and the inside.  They allow for pipe reductions by threading the bushing into a female thread and then threading the small pipe size into the centre of the bushing.  This versatility works well in troubleshooting complex piping systems.



  • Blackheart Malleable Iron castings.


  • generally to ASME B16.3 or JIS B2301, depending on manufacturing source.
  • JIS B2301 dimensions are generally considered to be corresponding values to BS143 and BS1256, although some sizes are not exact equivalents.


  • BSP pipe thread, to BS.21 (AS 1722, Part 1).
  • The specification for BS 143 fittings is:
    • Taper External (Series R) Taper Internal (Series RC)
    • The specification for BS 1256 fittings is:
    • Taper External (Series R) Parallel Internal (Series RP)


  • Hot Dip Galvanised is the standard finish for stock.


  • Fittings shall be subject to an internal hydraulic pressure of 2068 kPa without showing any sign of leakage or abnormality.

WORKING PRESSURES (except flanges)

  • Recommended maximum working pressures are 1379 kPa for water and 1034 kPa for steam, air, gas and oil. NOTE: Working pressures may also be limited by relevant Pressure Piping Codes or Industry regulations.


  • When ordering Reducing Sockets, Nipples, Bushes and Elbows, always state largest size first — e.g. 80 x 40 bush.  When ordering 3- or 4- way fittings, the sizing sequence illustrated below should be adopted.

GO Galvanised Malleable Uneven Fittings Ordering Guide

    You may also like