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acetylene regulator(left hand thread)

oxygen regulator(right hand thread)



acetylene regulator(left hand thread)



oxygen regulator(right hand thread)


# Oxygen regulators have right hand threads and regulators for acetylene and other fuel gases have left hand threads. You will notice a groove around fuel connections which indicate a left handed thread.




acetylene cylinder valve
female thread(inlet thread), left handed thread




oxygen cylinder valve
male thread(outlet thread), right hand thread

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