Braukmann RV277 Check Valve Add-on for Pressure Reducing Valves and Filters
40 mm Check Valve with 1-1/2 in port diameter
Check valves of this type are particularly suitable for integral use with pressure reducing valves, filters and filter combinations of all types. Check valves are safety devices for independent prevention of water backflow, for example from Potable Water appliances back into the central water supply system. They can also be used for systems where back pressure, back flow and back syphonage must be prevented. The classicfications of appliances to meet these requirements are specified in EN 1717.