757
Double Check Valve Assembly Backflow Preventers Sizes: 2 ½ -10 IN (65 – 250mm)
Series 757 Double Check Valve Assembly Backflow Preventers are designed to prevent the reverse flow of liquids in a plumbing system due to backpressure or backsiphonage where there is a non-health hazard. Compact design and lightweight stainless steel construction (70% lighter than traditional designs) makes installation easier and faster. For unmatched versatility, assemblies are available for horizontal, vertical, or N pattern installations while groove connections allow ease of installation and pipe alignment. Patented tri-link check assemblies are also designed for easy serviceability. A variety of shutoff valve options are offered.
- Extremely compact and lightweight design
- Easy to install and maintain
- Available with grooved butterfly valve shutoffs
- Replaceable check disc rubber
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