• Pure Gases
    • Acetylene
    • Air
    • Ammonia
    • Argon
    • Boron Trichloride
    • Boron Trifluoride
    • 1,3-Butadiene
    • n-Butane
    • 1-Butene
    • 2-Butenes
    • 2-Butene (cis)
    • 2-Butene (trans)
    • Carbon Dioxide
    • Carbon Monoxide
    • Chlorine
    • Dimethylamine
    • Ethane
    • Ethyl Chloride
    • Ethylene
    • Halocarbon-116
    • Halocarbon-14
    • Halocarbon-134a
    • Halocarbon-218
    • Halocarbon-22
    • Halocarbon-23
    • Halocarbon-C318
    • Halocarbon-1216
    • Helium
    • Hydrogen
    • Hydrogen Chloride
    • Hydrogen Sulfide
    • Isobutane
    • Isobutylene
    • Krypton
    • Methane
    • Methyl Chloride
    • Monomethylamine
    • Neon
    • Nitric Oxide
    • Nitrogen
    • Nitrous Oxide
    • Oxygen
    • Propane
    • Propylene
    • Sulfur Dioxide
    • Sulfur Hexafluoride
    • Trimethylamine
    • Xenon
  • Gas Mixtures
    • Introduction
    • Gas Mixtures
    • Ammonia
    • Argon
    • Benzene
    • n-Butane
    • Carbon Dioxide
    • Carbon Monoxide
    • Chlorine
    • Ethane
    • Ethylene
    • Ethylene Oxide
    • Fluorine Mixtures
    • Helium
    • Hexane
    • Hydrogen
    • Hydrogen Chloride
    • Hydrogen Sulfide
    • Isobutane
    • Methane
    • Nitric Oxide
    • Nitrogen
    • Nitrogen Dioxide
    • Nitrous Oxide
    • Oxygen
    • Propane
    • Propylene
    • Sulfur Dioxide
    • Sulfur Hexafluoride
    • Toluene
    • Vinyl Chloride
  • Special Applications
    • Analytical Gases
      • BIP Technology
      • Flame Ionization
      • Electron Capture
      • Leak Detection
      • Nuclear Counter
    • Environmental Monitoring
      • EPA Protocol Gases
      • EPA Instrumental Test Methods
      • EPA Protocols and Traceability Standards
      • CEM Daily Calibration Standards
      • Non-EPA Protocol Calibration Gases
      • Certification Periods
      • Certificates of Analysis
      • Air Toxics Monitoring
      • Mobile Emissions Monitoring
    • Airgas® LaserPLUS Gases
      • Pure Laser Gases
      • Laser Gas Mixtures
    • Medical Gases & Biotechnology
      • Medical Laser Gas Mixtures
      • Pulmonary/Lung Diffusion Mixtures
      • Anaerobic Growth Mixtures
      • Aerobic Growth Mixtures
      • VISX Laser Gases
    • Refrigerant Gases
    • Hydrocarbon Processing Gases
      • Liquid and Gaseous Hydrocarbon Standards
    • Lecture Bottle Replacement
    • Portable Cylinders
      • Reactive and Non-reactive Mixtures
    • Portable Cylinders Gases
      • Reactive and Non-Reactive Mixtures
      • Non-Reactive Three-Gas Mixtures
    • Process Chemicals
  • Laboratory Safety Products
    • Airgas Solutions
    • Hand Protection
    • Protective Clothing
    • Eye Protection
    • Hearing Protection
    • Head and Face Protection
    • First Aid
    • Skin Care
    • Eyewash and Showers
    • Biosafety
    • Spill Control and Containment
    • Floor Mats
    • Safety Cans
    • Flammable Products Storage
    • Fire Extinguishers
    • Labeling Systems
    • Respiratory Protection
  • Appendix
    • Specialty Gas Cylinders
    • Specialty Gas Cylinder Dimensions
    • Specialty Gas Cylinder Size Comparison
    • Cylinder Identification
    • How to Buy Gases
    • Gas Grade Selection Table for Gas Chromatography (GC)
    • Safe Handling and Use
    • Liquefied Compressed Gases
    • Liquid-Phase Withdrawal
    • Diaphragm Valve Procedures
    • Cryogenic Liquid Containers
    • Material Compatibility Chart
    • Physical Properties
    • Conversion Tables and Dew Points
    • Abbreviations & Symbols
    • Glossary
    • Get connected
  • Specialty Gas Equipment
    • Pressure Regulators
      • Selection, Installation, Operation
      • General-Purpose Pressure Regulators
        • Brass Line
        • Brass Single-Stage
        • Brass Two-Stage
      • Analytical Pressure Regulators
        • Brass Line
        • Brass Single-Stage
        • Brass Two-Stage
        • Brass Dewar Service
        • GC Series Two-Stage
        • Analytical Tee-Purge
      • High-Purity Brass Regulators
        • Brass Single-Stage
        • Brass Two-Stage
      • Smart Indicating
        • SIR Series Line
        • SIR Series Brass Single-Stage
        • SIR Series Brass Two-Stage
        • SIR Regulator Retrofit Kits
      • Ultra-High-Purity
        • Single-Stage (threadless seat)
        • Two-Stage (threadless seat)
      • Flowmeter Regulators
        • Single-Stage
        • Two-Stage
      • High-Purity Stainless Steel
        • Stainless Steel Line
        • Single-Stage (threadless seat)
        • Two-Stage (threadless seat)
        • Two-Stage (threaded seat)
        • Absolute Pressure
      • High Purity Stainless Steel
        • Stainless Steel Positive-Seal
      • Specialty High-Purity Regulators
        • Brass Low-Flow Two-Stage
        • High-Flow Cv1.0
        • Mini Single-Stage
        • Mini Two-Stage
        • Back-Pressure
      • Disposable Cylinder Regulators
      • Nanotech/Semiconductor Regulators
        • Ultra-High-Purity Line
        • Ultra-High-Purity Single-Stage
        • Ultra-High-Purity Two-Stage
      • Heated Regulators
        • Brass Single Stage
      • Corrosive Service
        • Economy
        • Standard
        • Deluxe
        • Cross-Purge Assembly
        • Corrosive Tee-Purge Assembly
      • Special Service Pressure Regulators
        • Acetylene Service
        • AA Acetylene Service
        • Oxygen Service
        • Fluorine Service
        • Ultra-Low Delivery
        • Ultra-Low Inlet Pressure
        • High Delivery Pressure
        • Heavy Duty High-Pressure
        • Vaporizing Regulator
        • Laser Assist Gas
    • Changeover Panels
      • Principles of Changeover Manifolds
      • Economy
      • Life Science Changeover
      • General Purpose 100 Fixed Delivery
      • General Purpose 10-200 psig Delivery
      • High-Purity 150 psig Fixed Delivery
      • High-Purity 10-200 psig Delivery
      • BIP/GC Series
      • Ultra-High-Purity Stainless Steel
      • Intelliswitch Cryogenic, High Pressure
      • Automatic Micro-processor Controlled
      • Liquid Cylinder Gas Phase
      • High Delivery Pressure 1000-35000 psi
      • Accessories
      • Alarm Systems
    • Manifolds
      • Protocol Stations
      • SIR Wall-Mounted
      • Headers
      • Point of Use Panels
    • Flowmeters
      • How to Read a Flowmeter
      • Compatibility Chart
      • 150 mm Std Valve
      • 150 mm High Resolution Valve
      • 65 mm Std Valve
      • 65 mm Economy
      • HC-1100 High-Capacity Meter
      • 150mm Gas Proportioner
      • Multi-Tube Flowmeter
      • Electronic Flowmeters
      • Mass Flow Control
    • Purifiers
      • SIP for CO2 Lasers
      • High-Flow Analytical Purifiers
      • SGT Purifiers
      • Click-On Purifier Systems
      • Mini SIR
      • OMI-2 Purifiers
      • Gas-Specific Purifiers
      • Gas Drying Tubes
    • Pigtails & Hoses
      • Flexible Metal Hoses
      • Flexible Metal Pigtails
      • Synflex Hoses and Pigtails
    • Gauges
      • 2-1/2'' Diameter Gauges
      • 2'' VCR Gauges
    • Generators
      • Gas Generator Selection Tool
      • Gas Grade Selection Table
      • Hydrogen
      • Zero Air
      • FID Gas Station
      • Generator Back Up Systems
      • TOC Air
      • FT-IR
      • Nitrogen
        • High-Purity 99.9999%
        • High-Flow 72 lpm 95-99.95% Purity
        • High-Flow 557 lpm 95-99.95% Purity
        • High-Flow 95-99.5% Purity
        • 4-131 SLPM 95-99.5%
        • 54-467 SLPM 95-99.5%
        • High-Flow Monobed
        • High-Purity High-Flow
        • High-Flow N2-135
        • Low- and Mid-Flow Generators
        • Sample Evaporation
      • LCMS
        • TriGas w/Compressor
        • TriGas
        • TriGas LCMS-5001TNA
        • TriGas Membrane w/Compressor
        • NitroFlow Generator
      • Air Dryers
      • Ultra Dry Air Generator
    • Valves
      • SIR Smart Valve
      • Check
      • Safety Relief
      • Diaphram
      • Instrument
      • Lecture Bottle Control
      • Manual Flow Control
      • Excess Flow Shut Off
    • Smart Products
      • SIR Line Regulator
      • SIR Single-Stage Regulator
      • SIR Two-Stage Regulator
      • HP Brass Single-Stage
      • SIR Retrofit Kits for Regulators
      • SIP for CO2 Lasers
      • High-Flow for Analytical Applications
      • Mini SIP
      • SGT Products/Click On
      • Brass Two-Stage
    • Purge Assemblies
      • Analytical Tee-Purge
      • Cross-Purge Assembly
      • Corrosive Tee-Purge Assembly
    • Miscellaneous Equipment
      • Cryogenic Accessories
        • Gloves
        • Transfer Hoses
        • Phase Separators
      • Cylinder Mountings
        • Cylinder Brackets/Clamps
        • Cylinder Bases/Stands
        • Gas Cylinder Stands
        • Cylinder Mounting Brackets Stn Stl
        • Cylinder Pallets
        • Cylinder Racks & Ramp
      • Cylinder Carts and Trucks
      • Floor Savers
      • Cylinder Wrenches
      • Cylinder Scales
      • Flash Arrestors
      • Heaters
      • Inert Gas Leak Detectors
      • Hydrogen Gas Leak Detector
      • Gas Sample Cylinders
      • SFE/SFC Cylinder Connection Kit
      • Cylinder Warming Blankets
      • CGA Nipples and Nuts
      • Storage Cabinets
        • Gas Cabinets
      • Tubing and Fittings
        • Tubing and Fittings
    • Filters
      • Economy
      • High-Purity Non-corrosive
      • High-Purity Corrosive
      • High-Performance
      • Atomic Absorption Acetylene
    • Lasers
      • Smart Indicating Purifiers for Lasers
      • Line Regulator Panels
      • Laser Gas Supply Systems
      • Assist Gas
        • Assist Gas Regulators
        • Laser Stations
        • Fully Auto Manifolds Cylinder Service
        • Fully Auto Manifolds Dewar Service
      • Lasing Gas Semi Auto Switch Over
      • Assist Gas Dome Loaded
      • Beam Purge
        • Laser Station Cylinder Service
        • Beam Purge Regulator
    • Nanotech/Semiconductor
      • CiphercoN 1500 Automated Gas Cabinet
      • FlexGas Cylinder Gas Cabinet
      • CiphercoN 1500 Automated VMB
      • MicroLine UHP Gas Panels
      • UHP Auto-Switchover Panel
      • Storage Cabinets
        • AtomVault Storage Cabinet
        • Gas Cylinder Storage Cabinets
    • Life Science
      • RDF Catalog
      • Service Connector
      • Life Science Changeover Manifolds
    • Medical
    • Emissions Monitoring
      • Disposable Cylinder Regulator Chart
      • UHP Brass Single-Stage
      • UHP Brass Two-Stage
      • Stn Steel Single-Stage
      • Stn Steel Two-Stage
      • Stn Steel Positive Seal
      • Mercury Regulators
    • GC Installation
      • Smart Design
        • Smart Design
        • Smart Way
      • Traditional Design
        • He or N2 as Carrier Gas
      • H2 as Carrier And Fuel From Cylinders
      • Generators As Supply N2 Carrier H2 Fuel
      • Generators As Supply N2 Carrier H2 Fuel
      • H2 Carrier and Zero Air from Generators
      • N2 Carrier All Gasses Supplied By Generators
      • H2 as Carrier and Fuel Supplied By Generator
      • Central Gas Supply to Multiple GC's
    • Laboratory Installation/Refurbishing
      • Design and Installation Services
      • Lab Line Series of Products
    • Reference/Help Resources
      • World Wide Cylinder Connections
      • Gas Grade Selection Table
      • Diaphragm Valve Procedure
      • Conversion Tables and Dew Points
      • Withdrawal Rates: Liquefied Gases
      • Convert Units of Measure
      • Line Size/Pressure Drop Chart
      • Calculate Pipe Line Size
      • Flow Capacities of Regulators
      • Abbreviations and Symbols
      • Glossary Common Terms
      • Physical Properties of Gas
      • Material Compatibility
  • Search for Equipment
    • By Specific Gas/Grade
    • By Part Number or Name
  • Useful Calculators
    • Max Flow for Gases through a Cv
    • Minimum Cv Calculator for Gases
  • Conversion Programs
    • Convert Air to Specific Gas
    • Area
    • Distance/Length
    • Force
    • Gas Flow Equivalents
    • Liquid Flow Equivalents
    • Liquid Flow Velocity
    • Pressure
    • Temperature
    • Volume
    • Weight