Pressure Reducing Landing Valve
Pressure reducing valve is normally located at discharge points of a tall building where the supply of water is via wet riser and layflat hose is coupled into the landing valve to provide water to the location of the fire.A pressure reducing valve is mainly used in a hose reel system to reduce the pressure at the inlet of the hose reel to the nominal working pressure.
Body: Copper Alloy to BS 1400
Hand Wheel: Gray Cast Iron to BS 1452
Inlet: Flanged inlet / Screwed inlet
Outlet: Female instantaneous pattern to BS 336
Body test: Hydrostatic pressure22.5 Bar to Bs to 5041-1 clause 19.1
Seat test: Hydraulic pressure 16.5 Bar to Bs 5041-1 clause 19.2
Stern: Rising stern inside screw type
Blank Cap and Chain: Blank pipe provided with pressure relief hole with flow area>10mm2 complying to Bs 336
