Breeching inlets – Siamese Connection


Inlet Connection : 2 or 4 Nos. Male Instantaneous Connector Complying to BS 336

Nominal Size       : 100 or 150 mm Ranged Outlet

Pressure Rating  : Normal Working Pressure of 12 Bar

Test Pressure      : 20 Bar

Flange Drilling    : BS 4504 Part : 2 : 1974


  • BSI Kitemark certified
  • Body material made of spheroidal graphite cast iron (Ductile Iron) to BS 1563:2011
  • Inlet connection and non-return valves material made of copper alloy to BS 12163:2011
  • Each inlet connection is fitted with non-return valve and of spring loaded mushroom type
  • Each breeching inlet is painted RED internally and externally


Breeching inlets are suitable for installation on dry & wet risers in a building for fire fighting purposes, fitted with inlet connection at fire brigade access level and outlet connection at specified points maximum 1.5 mr from ground level.

The breeching inlets are manufactured to comply with BS 5041 PART-3:1975 standard comprising of male instantaneous connections complying with BS 336:2010, drain valves complying with BS 5154, PN16 rated and non-return valves.

The breeching inlets and its fittings are suitable for a normal working pressure of 12 bar.