• About Us
  • Air Liquide Group
    American Air Liquide is part of an international group specializing in gases for industry, health and the environment.
  • Careers
    We’re always seeking innovative minds to keep our businesses on the leading edge of their respective fields.
  • Contact Us
    Request a quote, send us your comments and questions, or call us toll-free at 877.715.8651.
  • Locations
    Over 30 locations with our own fleet of trucks
    to serve you with fast delivery.
  • Molecules that Matter
    

    We refine and offer molecules that provide definable value you
    can measure at your
    bottom line.

  • Responsible Care
    

    We’re committed to providing a safe, healthful workplace and to being an environmentally friendly neighbor in the community.

  • Team Scott at Air Liquide
    

    Applied Scott technology is still alive and well—it’s behind every Scott gas mixture we sell.

   

• Products and Services
  • Cylinder Specs and Packaging

    A wide variety of cylinders and sizes
    to meet specific
    customer needs.

  • ALEVIATE

     

    

    
    No-risk guarantee from Air Liquide.

  • ALNET
    

    
    ALNET™ is the distributor network designed for growth.

  • ALPHAGAZ and Other Pure Gases
    

    Several grades of pure gases with low impurity levels for laboratory, process and application-specific applications.

  • DATAL ALert Telemetry Management System

    

    
    Web-based, real-time cylinder gas and liquid management system.

  • Gas Handling Equipment

     

    Gas handling equipment for both specialty and industrial gases.

  • Industrial Gases
    High-accuracy mixtures and low-impurity pure gases in single and multi-cylinder packs.
  • IGAL

    

    
    IGAL™ insulated window filling system significantly reduces rare gas consumption.

  • i-SEE Gas Handling
    

    Improving Safety & Efficiency thru Equipment

  • Process Gases
    Innovative solutions that promote efficiency of your process and help achieve a competitive advantage in your marketplace.
  • Proficiency Testing Services
    Improve the credibility
    of your analytical
    laboratory capabilities.
    Identify potential analytical problems confidentially. Provide inter- and intracompany quality assurance.
  • Rare Gases
    Global leader in rare pure gases and gas mixtures.
  • Scott Gas Mixtures
    

    Mixtures for virtually any application, the Scott brand has long been the acknowledged world-
    wide standard for analytical accuracy.

  • SCOTTY Transportables
    

    SCOTTY Transportables provide ultra-pure and high-accuracy calibration gases in a wide variety of nonreturnable cylinder sizes and volumes.

  • SCOUT Cylinder Tracking
    

    
    The engine behind SHOP@airliquide, providing real-time, accurate cylinder inventory, delivery and location information.

  • SHOP@airliquide
    

    Reduce your purchasing costs, simplify your records keeping, minimize your on-site cylinder inventory and much more…

  • TurbinAL Continuous CO2 Delivery

    Continuous high-flow CO2 purge system for gas-fired turbine generators.

   

• Industry Offerings
  • Engine Emissions Testing
    A complete line of pure and mixed gases for measuring engine emissions from various sources.
  • Environmental Compliance
    Seven distinct product classes from the world’s foremost authority and supplier of environmental calibration mixtures.
  • Food and Beverage
    ALIGAL gases for Modified Atmosphere Packaging (MAP).
  • Homeland Security
    Over 40 standard Scott™ TIC mixtures and CWA simulants,
    with custom products
    our specialty.
    
  • Insulated Glass
    IGAL™ insulated window filling system significantly reduces rare gas consumption.
  • Laboratory Mixtures
    ALPHAGAZ MIX™ are
    gas mixtures engineered specifically for most commonly used analytical techniques.
  • Lighting Gases
    Rare gases used for lighting applications.
  • Natural Gas
    The most accurate standards available, these gas mixtures are ideal for custody transfer and other applications.
  • Oil and Gas
    We stock over 800 components for blending mixtures used for refining and petrochemical applications.
  • Pharmaceutical and Biotech
    PHARGALIS permits innovative customization without jeapordizing strict regulatory compliance.
  • Welding, Laser and Cutting
    Air Liquide gases deliver optimum performance for root shielding, plasma cutting, and arc welding.

   

• Technical Resources
  • Conversion Factors
    Units of measure and other related information.
  • Cylinder Specs and Packaging

    A wide variety of cylinders and sizes
    to meet specific
    customer needs.

  • Emergency Response
    

    Get help in the event of a gas emergency.

  • FAQs
    Answers to the
    questions we hear
    most often.
  • Glossary
    Terms and definitions commonly used in the industry.
  • ISO/IEC Accreditation
    What does it really mean to be duly certified and accredited?
  • MSDS
    Material Safety Data Sheets for products we sell.
  • Product Literature
    

    Downloadable with descriptions, features, benefits and technical information.

  • Regulator Selection and Maintenance
  • Sales Terms
    The where-as and
    where-for info, so
    there is no mistake.
  • Solutions Center
    Ask a question, get a quote, and more.
  • Specialty Gas Catalog
    

    The industry's most definitive reference guide for specialty gases and gas handling equipment.

  • Tech and Safety Data
    Do it right and do it safely with this information.

   

• Call Center
  • Contact Us
    Request a quote, send us your comments and questions, or call us toll-free at 877.715.8651.
  • Requst for Quote
  • Technical Resources
    All the specialty and industrial gas product, technical and safety information you need.

   

• News and Events
  • Press Room
    What’s new at Air Liquide— new product announcements, articles, white papers and more.
  • Blog
    Get the latest thoughts on specialty gases, industrial gases and gas handling equipment... and then some.
  • Trade Shows
    View our schedule of industry conference
    and trade show exhibits
    for 2011.
  • Webinars

    Register for upcoming webinars about specialty and industrial gases, and review recordings of past webinars too.

   

• Contact Us
  • Contact Us
    Request a quote, send us your comments and questions, or call us toll-free at 877.715.8651.
  • Request for Quote
  • Locations
    Over 30 locations with our own fleet of trucks
    to serve you with fast delivery.

   

• Home
   

Exclusive ALTOP™ with Built-In Regulator
for Industrial Gases

For ARCAL™ pure argon and argon mixtures, the unique Air Liquide ALTOP features a
fixed ergonomic safety cap with a fully integrated pressure regulator and easy-to-use
ON/OFF lever-activated valve. ALTOP provides improved cylinder handling and safety
in an innovative, easy-to-use design that increases on-the-job efficiency while reducing
overall costs.

Request for quote

• High-Pressure Aluminum
• High-Pressure Steel
• Low-Pressure
• Offshore Cylinder Packs
• Other Packaging Options
• SCOTTY
• SMARTOP
• ALTOP for Industrial Gases