Surveillant Fire Limited

Fire Fighting Equipment

UNDER GROUND HYDRANT

NAFFCO under ground fire hydrants are valves of screw down type and are suitable for a maximum working pressure of 16 bar.The underground fire hydrants are manufactured to comply to BS 750:2012 and EN 14339:2005 standards with screwed outlet threaded to BS 336:2010 standard.

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FEATURES

  • BSI Kitemark certified.•Body material made of grey cast iron to Bs EN1561.
  • Material of spindle and threaded part of valves which engages with it is made of stainless steel to BS 10088-1.
  • Material for the screwed outlet is made of high tensile brass to BS 12163:2011.
  • spindle sealings (two seals) is of the toroidal sealing ring (‘0’ ring) type and are capable of changing while the valve is under pressure and fully closed.
  • A wiper ring is positioned above the spindle sealing’s to prevent the ingress of foreign matter.
  • Each hydrant shot is blasted (inside and outside) to SA 2 1/2 std.
  • All cast iron parts are thoroughly cleaned and painted.