Gas Supply Modes Compressed Gas Cylinders • SMARTOP™ • EXELTOP™ Liquid Cylinders MicroBulk Gas Supply Bulk Gas Supply Dynamic On-site Mixer Jobsite Skid FLOXAL™ On-site Generation

A technician flips the on/off switch on a SMARTOP Cylinder in a laboratory.

SMARTOP cylinder valves for industrial and specialty gases have built-in caps and easy-to-use on/off levers to help stop gas loss, improve safety, save time and money.

Smart, simple, unique

Now you can simplify your cylinder gas use while improving safety with innovative SMARTOP cylinder valve technology, from Airgas, an Air Liquide company. SMARTOP has a built-in cap, easy-to-use on/off levers, at-a-glance pressure valves and more for the enhanced safety and performance you want.

Improve safety, save time and money with SMARTOP

Are you tired of wasting gas, losing cylinder caps and all of the ergonomic and safety risks associated with daily cylinder use and handling? Now you can get the most out of every cylinder with SMARTOP, our innovative cylinder pressure relief valve developed exclusively for ARCAL™ premium welding gases and ALPHAGAZ™ pure analytical gases.

What are your challenges?

Checking gas levels is challenging and we waste a lot of gas

SMARTOP’s at-a-glance pressure gauge shows gas content whether the valve is open or closed

Moving cylinders and managing caps is cumbersome

With its permanent valve and ergonomic cap, SMARTOP makes maneuvering cylinders easy and eliminates cap management

Keeping contaminants out of my gas stream that affect my results

SMARTOP’s built-in Residual Pressure Valve protects gas quality while eliminating back flow contamination

Keeping my team safe when using compressed gas

SMARTOP’s double on/off lever system permits quick emergency gas valve shutoff

Simplify cylinder gas use with SMARTOP

As seen at FABTECH

How Cylinder Top Technology Helps You Improve

Bryan Thomas, Director — Industrial Packaged Gas Program

Watch how one simple piece of cylinder valve technology helps you close the gap between quality, productivity and the skilled labor shortage.

Watch the Video

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Airgas Supply Chain
Management Solutions

Need more visibility into your cylinder gas use?

Our supply chain management solutions can enhance efficiency, continuity and safety — especially when managing your gas supply. EZ-GAZ™ is a unique digital gas monitoring service that alerts you when your preset gas pressure level is detected, no matter where you are.

Know More

A woman at an industrial gas facility looking at her phone

Airgas Supply Chain Management Solutions

Resources to keep you ahead

Jobsite Skid Brochure cover line art on a teal background

SMARTOP Smart, Simple, Unique

Stop gas loss, improve safety, and save time and money with SMARTOP built-in caps and easy-to-use on/off levers for industrial and specialty gases.

Download the Brochure

Dynamic Onsite Mixer Brochure cover line art on a teal background

EXELTOP™ Trust in Performance

Exclusively designed for ARCAL shielding gases, EXELTOP’s unique design offers a built-in cap, easy on/off lever and regulator for more ease of use, safety and performance.

Explore EXELTOP

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

ARCAL Shielding Gases Simply High Performance

Produce a better quality weld with our five ARCAL premium, ready-to-weld argon and argon/CO₂ mixes and an additional Technical line for custom applications.

Explore ARCAL

Alphagaz in SMARTOP cylinders in a laboratory

ALPHAGAZ Pure Gases Precisely Simple

We understand specialty gases and what you need to successfully achieve accurate results. It’s time to see analytical gases differently with ALPHAGAZ.