Regulator or Flowmeter

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In a mig application, which do you prefer...regulator with gauges or flowmeterand why.Thanks in advance, JRF
Reply:In a MIG application you're going to need both a regulator and a flowmeter.  There are two different kinds that one might see.  One type looks very much like a regulator with two standard gauges.  It has a fixed orifice that has a certain flow at a correlating pressure.  Flow is varied by adjusting the pressure of the regulator.  With a proper flow meter, the regulator is usually fixed at a certain pressure for which the meter is calibrated.  Flow is then adjusted by means of a needle valve.  The latter type with the floating  ball meter is more accurate than the former type.-Heath