OA Regulators

There is a chart and recent messages on one of the yahoo groups about OA regulators being calibrated in CFH. I have never seen or heard of a flowmeter for OA cutting or welding. It has actually gotten a bit nasty over there as several of us old pharts have always used guages in PSI. Could anyone enlighten me? TIA Glenn

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Not a chance. Gas torches have valves in the torch, MIG torches are full-flow. You can fit a flowmeter to a O-A regulator if you wish, but it will be meaningless as it won't allow you to set up a static pressure before you start opening the torch valves.

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Andy Dingley

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