Gas safety valves
Gas safety valves are determined for the connection between household appliances and gas distribution system.
These valves in straight or angle versions have the integrated safety devices that secure safe gas connections in hosehold.
VAIT
Complete safety gas valve with integrated thermal, excess flow and "Push & Turn" safety devices
VAT
Safety gas valve with integrated thermal and "Push & Turn" safety devices.
VAI
Safety gas valve with integrated excess flow and "Push & Turn" safety devices.
Fuses
Thermal fuse
By reaching the activating temperature 95 °C (± 5 °C) the thermal safety device closes the gas flow. This device will withstand the temperature 650 °C during 30 minutes as minimum. During this time the danger of gas escape or potential explosion is minimized. Once the safety device is activated, the complete valve has to be replaced.
Excess flow safety fuse
Excess flow safety device closes automatically the gas input in case of overranging the limit of the flow rate 2.2 m3/h*. This situation can occur for instance, when the hose is broken or accidentally disconnected from the appliance. When the defect is removed, you can activate the device by closing and subsequent opening of the valve.
* value obtained experimentally (closing flow rate according to the norm is 1,0 to 2,5 m3/h)
Push & Turn safety fuse
Push & Turn safety blocks the valve in a closed position and thus it prevents from accidental openings (for example by children). To open the ball valve, it is necessary to push down and turn the hand wheel. To close, just turn the hand wheel.
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