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Pressure relief / safety valves in a range of useful sizes.
3 bar 1/2 inch BSP female x female pressure relief safety valve.
Used to protect central heating system boilers and radiators.
Colour of plastic top may vary from picture (makes no difference to operation of valve).
3 bar 1/2 inch BSP male x female pressure relief safety valve.
3 bar 3/4 inch BSP female x female pressure relief safety valve.
6 bar 1/2 inch BSP female x female pressure relief safety valve.
7 bar 1/2 inch BSP female x female pressure relief safety valve.
This safety valve has a simple adjustable spring loaded mechanism with a lock ring to lock the adjuster in position.
Male 1/2 inch BSP thread
1/4 inch BSP 4 bar back entry water pressure gauge with red reference pointer and scale in bars.
4 bar bottom connection water pressure gauge with red reference pointer and scale in bars.
Fitted near the boiler, an automatic bypass valve is used to maintain a minimum flow rate through the boiler and to limit circulation pressure when other valves / water paths are closed.
Pressure reducing valve complete with gauge.
15mm / 22mm connections.
WRAS approved.
Maximum inlet pressure 16 bar.
Adjustable outlet pressure 1-6 bar (factory preset to 3 bar).
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