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Thread: Thermal arc 181 gas solenoid

  1. #1
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    Sep 2013
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    Thermal arc 181 gas solenoid

    Seems like the solenoid valve is sticking as it takes about 8-10 seconds for gas to stop flowing. I checked voltage to valve and it seems to be correct with the trigger altho when using the test meter it displays 24 volts DC for a short time after I release trigger. It also takes a short amount of time to register voltage after switching the trigger. Anyway I haven't been able to find the exact valve but have found some that are 24vdc with 1/4" npt which I'm sure I can adapt with Barb fittings. Plenty of room inside for it. Any concerns with pressure or compatibility with argon?Name:  15741264477131128345033049146730.jpg
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Size:  185.4 KBName:  15741264477131128345033049146730.jpg
Views: 171
Size:  185.4 KBName:  15741264477131128345033049146730.jpg
Views: 171
Size:  185.4 KB
    Miller xmt304, Miller S22 p12, Miier Maxstar SD, Miller 252 w 30A, Miller super32p12, Lincoln Ranger 9, Thermal Arc 181I with spoolgun, Hypertherm 10000 ,Smith torches. Esab 161lts miniarc.

  2. #2
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    Sep 2013
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    Re: Thermal arc 181 gas solenoid

    I don't know how I got 3 pictures of the same thing.
    Miller xmt304, Miller S22 p12, Miier Maxstar SD, Miller 252 w 30A, Miller super32p12, Lincoln Ranger 9, Thermal Arc 181I with spoolgun, Hypertherm 10000 ,Smith torches. Esab 161lts miniarc.

  3. #3
    Join Date
    Jun 2011
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    Re: Thermal arc 181 gas solenoid

    If it fits, go with it as long as it's the same voltage as the original. Bob

  4. #4
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    Sep 2013
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    Re: Thermal arc 181 gas solenoid

    George,( mechanic 416) told me how to disassemble and clean solenoid valve and all works good now.
    Miller xmt304, Miller S22 p12, Miier Maxstar SD, Miller 252 w 30A, Miller super32p12, Lincoln Ranger 9, Thermal Arc 181I with spoolgun, Hypertherm 10000 ,Smith torches. Esab 161lts miniarc.

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