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Related Manuals for Watts DRV Series
Summary of Contents for Watts DRV Series
- Page 1 DRV, DRVM, DRVN, DRVMN Series Pressure reducing valves Technical Data Sheet WattsIndustries.com...
- Page 2 DRVM 0501332 1.1/4” MM DRVM 0501340 1.1/2” MM DRVM 0501350 2” MM R/DRV Spare unions complete with nut and seals for DRV Series pressure reducing valves. Type Part No. Weight (Kg) R/DRV 0599001 1/2” MM R/DRV 0599002 3/4” MM R/DRV 0599003 1”...
- Page 3 Watts Water Technologies, Inc. DRVN Patented diaphragm pressure reducing valve with compensated seat, outlet pressure adjustable with a knob and external graduated scale for easy reading of set pressure. Complete with unions. Body of CW617N sand-blasted stamped brass. Stainless steel filter cartridge. Pressure gauge connection on both sides: G1/4”.
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Page 4: Operation
Watts Water Technologies, Inc. Application Pressure reducing valves are used: • In sanitary systems - to keep the pressure of the water constant in the distribution network downstream of the valve - to avoid excessive withdrawals of water by controlling the pressure at the tap - to keep the water pressure constantly below the maximum value allowed •... - Page 5 Watts Water Technologies, Inc. Setting The difference between the downstream pressure P2 measured with no flow and the same pressure measured at the generic flow rate Q represents the pressure drop DP of the pressure reducing valve. It depends on the flow rate, as indicated by the pressure drop diagrams.
- Page 6 A zone: heavy duty, the pressure reducing valve shows cavitation. Continuous operation in the red cavitation zone could cause rapid damage of the internal parts. If the pressure reducing valve is to operate in the red zone, contact the Technical Department of Watts Industries Italia. Cavitation diagram...
- Page 7 Watts Water Technologies, Inc. 0 , 08 0 , 1 0 ,2 0 ,3 60 80 100 Flow rate DRVN 0 , 0 8 0 , 1 0 , 2 0, 3 0 , 4 0 , 6 0 , 8...
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Page 8: Overall Dimensions (Mm)
The descriptions and photographs contained in this product specification sheet are supplied by way of information only and are not binding. Watts Industries reserves the right to carry out any technical and design improvements to its products without prior notice. Warranty: All sales and contracts for sale are expressly conditioned on the buyer’s assent to Watts terms and conditions found on its website at www.wattsindustries.com.