Brief Introduction.
Bi-use safety release valves are use for pressure releasing in the circulation waterway control system of wall mounted boilers with multifunctions---both heating and scouring functions.

Main Parametres
Environment temperature: -40 centigrade-------110 centigrade
Pressure bearing intention: 4.5 kg/cm
Motion pressure: 2.85~3.25kg/cm
Closure pressure: More than2.75 kg/cm
Motion times (period): More than 50 thousand times

External dimensions:

Cautions
Sanitary water must be used, or impurities would stay between the theca and the valve ora, then cause leakage
Don't bloc the ora and test the leakage, or the theca would be broken.

After drainage, push the adjustment handle back as the arrowhead marks