|Pressure Reducing Valves - Size||28 mm|
|Pressure Reducing Valves - Integral Servicing Valves||Yes|
|Pressure Reducing Valves - Pressure Outlet||0.5-6 bar|
|Pressure Reducing Valves - Pilot Operated||No|
Reducing excessive mains pressure; Controlling pump outlet pressure; Pressure regulation per floor; Water conservation.
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Where indicated on the drawing, a Pressure Reducing Valve shall be fitted – model PRV536 - as distributed by Arrow Valves Ltd - Tel 01442 823123 www.arrowvalves.co.uk. The PRV shall be direct acting and have an adjustable outlet pressure ranging from 0.5 – 6 bar and have a maximum supply pressure of 25 bar. The seat shall be stainless steel. The pressure drop from a nominal 4 bar shall be less than 0.8 bar @ 2 m/s pipe velocity. The design shall be of the removable cartridge type with integral 500 micron strainer. A pressure gauge shall be provided to indicate the downstream pressure. The body shall be DZR brass with solder union connections for secure connection to copper tube,. Amend as required  The PRV shall feature full-bore DZR servicing valves to enable strainer to be cleaned  male union connections