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.
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

Stop wasting time, money and gas with SMARTOP cylinder valves

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?


Simplify cylinder gas use with SMARTOP

Start a conversation about SMARTOP today

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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.


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A woman at an industrial gas facility looking at her phone
Airgas Supply Chain Management Solutions