Description
Caleffi automatic filling group without pressure gauge cod. 553040
The automatic filling group is a device composed of a pressure reducer with compensated seat, an inlet filter, a shut-off valve and a check valve.
It must be installed on the water supply pipe in closed circuit heating systems and its main function is to keep the system pressure stable, at a set value, automatically replenishing the missing water.
After installation, during the filling or replenishment phase, the supply will stop when the calibration pressure is reached.
- Connection: G 1/2" A (ISO 228-1) M, inlet.
- Connection: G 1/2" (ISO 228-1) F, outlet.
- Maximum upstream pressure: 16 bar.
- Fluid temperature range: 5–70°C.
- Pressure adjustment range: 0.3–4 bar.
Data sheet
Drawings
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