A technician flips the on/off switch on a SMARTOP Cylinder in a laboratory. A technician flips the on/off switch on a SMARTOP Cylinder in a laboratory. A technician flips the on/off switch on a SMARTOP Cylinder in a laboratory.
The Airgas Dynamic On-site Mixer (DOM).

Always mixed right

Add more accuracy, consistency and savings to your mix

Focus on welding, saving money and improving uptime with the Airgas Dynamic On-site Mixer (DOM)—the next-generation on-site mixing unit for delivering premium welding gases with high-mixture accuracy, right on your jobsite. The Airgas DOM is designed to give you what you need and want — a versatile system for industrial gases and ARCAL™ premium gas mixes.

How is the Airgas DOM different?

The Airgas Dynamic On-site Mixer maintains a mixture accuracy that is unmatched in the on-site gas delivery market — better than ±10% of the minor component in a binary mix. The confidence and assurance of the gas mixture ensures code compliance, reduces costly filler metal waste, avoids rework and saves you time and money on re-inspection, auditing and verification procedures.

Simplicity

  • No power supply needed
  • No costly analyzer or on-site calibration
  • No expensive solenoid valves or buffer tank required

Reliability

  • Blend consistent and accurate mixed gases exceeding AWS/ISO standards at any flow rate*
  • Get reliable liquid supply with world-class logistics

Performance

  • Boost efficiency with turnkey solution
  • Increase productivity with a mixing unit that eliminates cylinder management
  • Minimize spatter and weld discontinuity

*ARCAL exceeds AWS 5.32/ISO 14175 standards

Resources to keep you ahead

Dynamic Onsite Mixer Brochure cover line art on a teal background

Dynamic On-site Mixer

Ensure your gases are always mixed right. The Dynamic On-site Mixer maintains a mixture accuracy that is unmatched in the on-site gas delivery market.

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Jobsite Skid

Learn more about the benefits of using a portable welding skid. It’s a mobile, efficient and safe solution for welding gases on the jobsite.

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Welder standing inside of a large corrugated metal pipe performing a weld on the interior of the pipe underneath.

ARCAL Shielding Gases for Welding

Produce a better quality weld with premium shielding gases. Cover any application with five ready-to-weld argon and argon/CO2 mixes plus a Technical line for tight specifications.

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MicroBulk Gas

Discover how you can simplify your operation with a MicroBulk gas solution so you get consistent and constant supply with minimal gas waste.

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