The Caleffi Direct Acting Pressure Reduction Valve is a watermark-approved valve for use in buildings and industrial schemes, in sizes ranging from 1/2″ to 1-1/2″ in size.
Pressure reducing valves are a valuable asset to any piping system. Many people are under the misapprehension that more pressure is better when, in fact, it is often the reverse.
Too much pressure in a system puts unnecessary strain on
water heaters, plumbing joints, taps, washers, etc, increasing the chance of leaks, burst hoses on washing machines, etc, and adding greatly to water hammer problems.
The Caleffi 535 series pressure reducing valve is a state of the art piece of design and engineering. From just looking at this valve and its components, you know that it is a quality
product.
The #535 has a maximum inlet pressure of 2500kPa and is adjustable between 100 and 600kPa. The valve comes pre-set at 300kPa but is easily changed to your desired pressure setting by turning the adjustment knob on the top of the valve; clockwise to increase the downstream pressure and anti-clockwise to decrease.
Once the required pressure is ‘dialled-up’, the adjustment knob can be locked by tightening the screw located in the centre of the knob. A gauge port is standard on the body of the valve so that a gauge can be fitted to monitor the downstream pressure
For ease of inspection and maintenance, a removable internal cartridge and strainer, containing all the regulating components, can be accessed through the top of the valve. The male union ends, another standard feature of the #535, makes installation simple.
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