Are gas fittings tightened clockwise or anti-clockwise?

clockwise
anti-clockwise
it depends on the gas
there is no standard
Some gas fittings use reverse threads to prevent disastrous misconnections. For example, oxygen fittings are right-handed, but acetylene and other flammable gases use left-handed fittings.
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clockwise
anti-clockwise
it depends on the gas
there is no standard
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23%
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34
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0%
10
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4066
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7%
40
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31%
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18%
22
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20%
26%
30