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Old 09-22-2009, 08:25 PM
67chevelle's Avatar
67chevelle 67chevelle is offline
Join Date: Mar 2005
Location: Meridian, Idaho
Posts: 99
Default argon / C02 regulators

My little 110v MIG welder that we use on job sites occasionally has a busted regulator / gage setup.

Is there a difference in the regulators / gages for the following

100% argon

75% argon 25% c02

100% c02

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Old 09-22-2009, 09:41 PM
Paychk's Avatar
Paychk Paychk is offline
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Join Date: Jun 2004
Location: Junction City, OR
Posts: 2,258

Yes there are differences; the gas affects the calibration, low cost flow meters are calibrated for one gas. More expensive gauges can have calibrations for 2 or more gases.
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Millermatic 200 w/ SKP-35 Spot Pulse Weld Panel, Tweco MIG-GUN #2, running ER70S-6 .035 wire on CO2, Spoolmatic 1 Spool Gun

Last edited by Paychk; 09-22-2009 at 09:43 PM. Reason: clarity
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Old 09-23-2009, 05:06 AM
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Brian C. Brian C. is offline
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Location: Waverly, OH
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Big differences in quality of the gauges also. My Hobart came with plastic cased gauges on the reg.. One of them cracked, so I replaced both with brass cased ones. Much better.
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