ART. 477 TEMPERATURE AND PRESSURE SAFETY VALVE FOR SOLAR SYSTEMS

Able to protect plumbing tanks and boilers from excessive pressures and temperatures.
With hand wheel for manual opening.
This handwheel should be operated at least once a year to check the cleanliness of the drain opening.
Brass body.
Length of the temperature probe: 105 mm.
Calibration temperature: 90 ° C.
Discharge power: 25 kW.
Calibration pressure: 7 bar.
Threaded connections ISO228 (corresponds to DIN EN ISO 228 and BS EN ISO 228).