The DUNGS safety pressure relief valve, type FRSBV, is a spring-loaded safety blow-off device (SBV) with an adjustable response pressure. The safety blow-off valve corresponds to DIN 33821. - Inlet pressures up to 1.0 bar (100 kPa) - Large flow rate - Safety diaphragms - Internal sensor for response pressure as standard - Threaded connection Rp 1 Safety pressure relief valve for gas burners and gas equipment. Suitable for gases of gas families 1, 2, 3 and other neutral gaseous media. Free of non-ferrous metals, suitable for gases up to max. 0.1 vol.% H2S, dry.
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