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Q: How do you know the gas valve is open or closed?
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What does auf mean on a German propane gas bottle?

"Auf" on a German propane gas bottle typically refers to "open" or "on" in English. It indicates the direction in which to turn the valve to open the gas flow for use.


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A butterfly valve is from a family of valves called quarter turn valves. The "butterfly" is a metal disc mounted on a rod. When the valve is closed, the disc is turned so that it completely blocks off the passageway. When the valve is open, the disc is rotated a quarter turn so that it allows unrestricted passage. The position of the disc is effected from outside the valve. gas butterfly valve is one kind of butterfly valve, the main feature is that all the functions are supported by gas just as the Electric Butterfly Valve which supported by electric.


What is a gas valve?

A butterfly valve is from a family of valves called quarter turn valves. The "butterfly" is a metal disc mounted on a rod. When the valve is closed, the disc is turned so that it completely blocks off the passageway. When the valve is open, the disc is rotated a quarter turn so that it allows unrestricted passage. The position of the disc is effected from outside the valve. gas butterfly valve is one kind of butterfly valve, the main feature is that all the functions are supported by gas just as the Electric Butterfly Valve which supported by electric.


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How do you fix a furnace main gas valve that is stuck in closed position - Thermostat does not always cause main burner to light?

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Why does van stall after getting gas?

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