DN40 excess flow valve

REF001.05

M/F DN 40 excess flow safety device, operating pressure 15 - 100 mbar

Boldrin safety valve to prevent gas leaks from broken pipes. Just a small investment means a considerable increase in the safety of the gas system. In particular, thanks to the REF series safety devices that prevent excess flow, which could occur in the case of a break in a pipe, if the utilities aren’t connected, earthquakes, or in the case of tampering. In the case of a sudden gas leak, when the flow rate reaches the closure valve, the device closes automatic, stopping the gas flow. The device resets automatically in normal operating conditions. The REF is a safety device used on shut-off valves and meter valves, in a compact design that increases the functional features of the shut-off valve, making it a passive safety device. If the gas rate reaches the closure valve for any accidental reason, the REF shuts off the gas flow instantly. The device has been designed to be installed in either a horizontal or vertical position. The REF device is available as both a single fitting, and as a component of valves (available only on request).

Material
Boldrin safety valve to prevent gas leaks from broken pipes. Just a small investment means a considerable increase in the safety of the gas system. In particular, thanks to the REF series safety devices that prevent excess flow, which could occur in the case of a break in a pipe, if the utilities aren’t connected, earthquakes, or in the case of tampering. In the case of a sudden gas leak, when the flow rate reaches the closure valve, the device closes automatic, stopping the gas flow. The device resets automatically in normal operating conditions. The REF is a safety device used on shut-off valves and meter valves, in a compact design that increases the functional features of the shut-off valve, making it a passive safety device. If the gas rate reaches the closure valve for any accidental reason, the REF shuts off the gas flow instantly. The device has been designed to be installed in either a horizontal or vertical position. The REF device is available as both a single fitting, and as a component of valves (available only on request).

Marking and References to Standards
DVGW VP305-1, EN 10226-5 threaded connections
Conn.IN
M1"
Conn.OUT
F1"
Attack
threaded
Operating temperature
-20 +60°C
Heat resistance
200°C
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