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  1. #1

    Default Post flow set to Auto

    I have a maxstar 350. The post flow is set to auto. How does it determine how long to kee the gas flowing before it turns it off?

  2. #2
    Join Date
    Feb 2012


    Pretty sure it's a function of amps and torch on time.

  3. #3
    Join Date
    Dec 2012

    Default Post flow set to Auto

    POST FLOW [POST] - If the TIG process is active (see Section 5-7), use control to set length of time gas flows after welding stops.
    AUTO POST FLOW - Creates a post flow time scaled at 1 second per 10 amps of the peak weld amperage for a given weld cycle. Auto post flow is limited to a 8 second minimum, or to the maximum preset post flow time.
    Postflow is required to cool tungsten and weld, and to prevent contamination of tungsten and weld. Increase postflow time if tungsten or weld are dark in ap- pearance.

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