Pressure Relief Valves

Safety Pressure Relief FRSBV

Technical description

The DUNGS safety pressure relief valves, 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

Application

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 man. 0.1 vol.% H₂S, dry.

Approval

EC type test approval as per EC Gas Appliance Directive:

FRSBV    CE-0085 AS0461

EC type test approval as per EC Pressure Equipment Directive:

FRSBV    CE0036

Approvals in other important gas consuming countries.