Dungs gas pressure regulator FRS with zero shut-off, pre-pressure compensation and safety diaphragm with built-in blue spring for control pressures of 5 - 20 mbar. Other springs on request. DIN 3380 tested and DIN-DVGW registered. P max. 500 mbar, P1 max. 500 mbar, PN1, RG10, SG30, ID-No. CE-0085AQ7126, Flange connection DN 65.
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