System filling valve 6628 Plus, 1-5 bar, with BA class backflow preventer, connections: male thread 3/4" 6628.20.151

The system filling valve 6628 Plus with BA class anti-spill valve is used for the automatic filling and pressure control of water heating systems. The built-in backflow preventer, class BA (in accordance with DIN EN 1717), prevents the heating water from flowing back into the drinking water system. It enables a direct, permanent connection between heating and drinking water installations, for fluids up to and including category 4. The device includes: BA type anti-contamination valve, pressure reducer, pressure gauge, discharge hopper, pressure gauge / measuring connectors, cut-off valves, foam insulation. Fitting connections - external threads 3/4".
Nastawa factory 1.5 bar
Regulatory scope 1-5 bar
Pmax. 10 bar
Tmax. 65C (output)