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Watts® Series 757 / 757N Double Check Valve Assemblies
Watts® Series 757 / 757N Double Check Valve Assemblies
Features
- • Extremely compact design.
- • 70% Lighter than traditional designs.
- • 304 (Schedule 40) Stainless steel housing & sleeve.
- • Groove fittings allow integral pipeline adjustment.
- • Patented tri-link check provides lowest pressure loss.
- • Unmatched ease of serviceability.
- • Available with grooved butterfly valve shutoffs.
- • Available for horizontal, vertical or N pattern installations.
- • Replaceable check disc rubber.
- • Sizes 21⁄2", 3" and 4" (65, 80 and 100mm) available with quarter-turn ball valve shutoffs.
Description
Watts® Series 757 and 757N Double Check Valve Assemblies are designed to prevent backflow caused by backpressure or backsiphonage in non-health-hazard applications. They help protect potable water systems by preventing the reverse flow of potentially contaminated water.
The Series 757 features a compact and lightweight 304 stainless steel housing that is approximately 70% lighter than traditional designs, helping simplify installation and handling. Its patented tri-link check design provides low pressure loss, while grooved connections allow easier pipeline alignment and installation.
The Watts 757 / 757N can be installed in horizontal, vertical or N-pattern configurations and is available with different shutoff valve options. Contact Watercare Products for Watts Series 757 / 757N double check backflow preventer selection and quotation in Singapore.
Features
- Stroke
- 4 Stroke
- Max Power
- 62kW/6000 (r/min)
- Cylinders
- 2 Cylinder
- Max Torque
- 101N·m/5000 (r/min)
- Displacement (ml)
- 1000CC

