Polypipe PolyPlumb double check valve is designed to protect water supplies from contamination. This device consists of two check valves assembled in series, making sure that if one valve is jammed open the other will continue to work just fine. This equipment assembly is suitable for prevention of back pressure and back siphonage. It is commonly used on lawn irrigation, fire sprinkler, and combi-boiler systems.
Robust, reliable tried and tested plumbing solution
One step jointing
Time efficient, easy to install and use
High performance stainless steel grab ring ensures superb joint integrity
Demountable only by disassembling, reducing the potential for tampering
Use with Polypipe polybutylene pipe systems or copper pipes