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Item # GMA-MX900, Proportional Gas Mixers, GMA-MX series

Also available as a turn key system in conjunction with Superior’s MIGHTY-MAX™ automatic changeover controls.

Superior Product's PMX mixers are suited for all applications where precise gas mixtures are required. These non-adjustable, high mix accuracy (+/- 2% full scale of cylinder pressure) offer a price advantage over less accurate adjustable models.

Specifications  · Standard Features



Argon (CGA-580A)
CO2 (CGA-320)

Helium (CGA-580H)

Hydrogen (CGA-350)

Nitrogen (CGA-580N)

Oxygen (CGA-540)


8 in


10 in


4-1/2 in


8 lb

Inlet Pressure Range

110 to 150 psi

Flow Rate

900 ft³/h

Mixture Accuracy

± 2% (3 to 900 ft³/h)


Gas Mixer

Adjustable Outlet Pressure Range

0 to 100 psi

Inlet Filter

50 µ

Standard Features
  • Tamper proof
  • Highly accurate
  • Low start up cost
  • Compact
  • Higher flow rates available upon request increase in 300 cfh increments up to 2000 cfh
  • Three gas mixers available upon request


Product Description Guide
(PDF, 82KB)

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