Safety valve 8115 4 bar 3/4,"solar 8115.20.152

8115 diaphragm safety valves are used to protect pressurized systems, filled with liquid or inert gas, against exceeding the allowable pressure. Available sizes: DN15, DN20. Available settings: 2.5, 3, 4, 6 bar.
Medium: vapors, gases, liquids, water-glycol mixtures (max. 50% glycol).
Maximum temperature 160 ° C.
Approximately, the 1/2" valve can protect about 50 m2 of collector surface and 3/4" up to 100 m2 of collectors.