![A technician flips the on/off switch on a SMARTOP Cylinder in a laboratory.](/medias/2972-DOM-Hero-Lg.jpg?context=bWFzdGVyfHJvb3R8MTAyNjN8aW1hZ2UvanBlZ3xoNTAvaDJiLzEyMTM2OTg5MTYzNTUwLmpwZ3xhNTFmNTZjYzExYmE2Mzk1ZWU4NTNlOGFjYTc5NzExMjZjNWQxMDkzY2FjODc5ZmRkN2RmZTc2MGNkMjNmZjVj)
![A technician flips the on/off switch on a SMARTOP Cylinder in a laboratory.](/medias/2972-DOM-Hero-Med.jpg?context=bWFzdGVyfHJvb3R8MTczMDl8aW1hZ2UvanBlZ3xoMmYvaDYzLzEyMTM2OTkyMDE0MzY2LmpwZ3xmMDBiNWU0ZmY3MjJhNDljZWZkMzZmNDc2MjNiNDlmYTdiYzNhZDBiNjdiYzQxMzJjYTE4ZDE0YWM1NzcwYjA1)
![A technician flips the on/off switch on a SMARTOP Cylinder in a laboratory.](/medias/2972-DOM-Hero-sm.jpg?context=bWFzdGVyfHJvb3R8MTA0Mzh8aW1hZ2UvanBlZ3xoMmQvaGYwLzEyMTM2OTkyMzc0ODE0LmpwZ3xjNWY4NDhlMGVmY2Q5OGIwYTc1ZmIwMTU5MmEwMWUzNzdiNTgxMzQwMmE0MTUzNDc0YmQxZjkyN2M3MGJiMTY1)
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](/medias/2624-Resources-DOM-Brochure.gif?context=bWFzdGVyfHJvb3R8NTUxOHxpbWFnZS9naWZ8aGExL2g1Ny8xMjA0NTI1MzMxMjU0Mi5naWZ8OWU0MzljNDQ5ZTMzZWZmYTE5OWM3MTM1NmZjNGIzOGQ3NmU3MTcxYWVhMzdkNDQ0MjYwZTM5NDU4NjhmMjJhNw)
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.
Download the Brochure
![Jobsite Skid Brochure cover line art on a teal background](/medias/2624-Resources-JSS-Brochure.gif?context=bWFzdGVyfHJvb3R8NjgzOHxpbWFnZS9naWZ8aDliL2hjYy8xMjA0NTI1MzU3NDY4Ni5naWZ8NjE5OWE5NmE1ODJkNmRhOWQ5MDM1YzZiY2QyNWUwMjk0YzQzYzgyZjMyOWFmMDgyN2Y2Mjc3ZGY1ODZjNTRkMA)
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.](/medias/2273-MetFab-Resources-Arcal-Broch-3.jpg?context=bWFzdGVyfHJvb3R8MjQ0NzV8aW1hZ2UvanBlZ3xoNWMvaDRhLzExOTQ2NzM4Mzg0OTI2LmpwZ3wwMjlhMzI3ZWQ5ZjhkMWM2MjYzY2UyYmZlZTRkMWQ1NTE5ZDZkYmQwMjY2N2Y3ZjE4NDRmN2IzMDJkM2Y5OTM4)
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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![An external MicroBulk cylinder being filled from a supply truck](/medias/2624-Resources-MicroBulk.jpg?context=bWFzdGVyfHJvb3R8MTU4MjN8aW1hZ2UvanBlZ3xoNWUvaGFjLzEyMDQ1MjUzODM2ODMwLmpwZ3wyYzAwNmM0ZjU5MTI4YzE3MGU0MWQzMWY2NWM3ZjlkNGFlYTUwZTU0MDcwZTlhOWRiNWZhMGE4MGEyZDY2ZjFi)
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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