CALEFFI 553
Automatic filling unit with pressure gauge connection or pressure gauge, art.553
Art: 553
Description
The automatic filling unit is a device consisting of a pressure
reducing valve with compensating seat, an inlet strainer, a shut-off
valve and a check valve.
It is installed in the water supply pipework in sealed heating
systems and its main function is to maintain the system pressure
stable at a set value, automatically topping up with water, as
required.
After installation, during the filling or topping-up phase, feed will
stop when the set pressure is reached.
Tecnical description
- Automatic filling unit, with manual cock, strainer, check valve.
- Setting pressure range: 0,3–4 bar.
- Max. inlet pressure: 16 bar.
- Max. working temperature: 70°C.