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Regulator Selection Guide by Gas Service
As a starting point, our technical team has prepared the list below showing some good choices for a given gas service and purity level. Many customers will find that these recommendations work well for their application. However, application needs vary and your application may have special requirements such as unusually high/low delivery pressures or flow rates. For this reason, before accepting these recommendations, please confirm that the specifications of the regulator recommended below meets all the needs of your specific application.
Note: Some regulator types have no recommendations shown. This is because there was no appropriate general recommendation to be made. As an example, many liquefied gases have low cylinder pressures, and do not experience significant pressure decay over the life of the cylinder, and so a dual-stage regulator would offer little or no advantage.
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Formula |
Gas |
Purity |
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Single-Stage |
Dual-Stage |
Lecture Bottle |
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C2H2 |
Purified 99.6% |
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CP Grade 98% |
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n/a |
Acid Rain CEM |
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VOC Free |
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Ultra Zero Certified |
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Dry |
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Zero Gas |
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NH3 |
Research Purity 99.9992% |
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Matheson Purity 99.999% |
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SFC Purity 99.995% |
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Anhydrous 99.99% |
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Ar |
Research Purity 99.9999% |
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Matheson Purity 99.9995% |
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Ultra High Purity 99.999% |
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Prepurified 99.998% |
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Zero Gas 99.998% |
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High Purity 99.995% |
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3500 psig 99.998% |
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6000 psig 99.998% |
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Formula |
Gas |
Purity |
Single-Stage |
Dual-Stage |
Lecture Bottle |
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BF3 |
CP Grade 99.5% wt.% |
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C4H6 |
CP Grade 99% |
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C4H10 |
Research Purity 99.98% |
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Matheson Purity 99.93% |
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Ultra High Purity 99.85% |
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Instrument Purity 99.5% |
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CP Grade 99% |
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C4H8 |
CP Grade 99% |
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Technical 95% |
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C4H8 |
Technical 95% |
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C4H8 |
Technical 95% |
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CO2 |
Research Purity 99.995% |
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SFC Purity 99.999% |
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Coleman Instrument 99.99% |
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Bone Dry 99.8% |
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CP Grade 99.5% |
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Formula |
Gas |
Purity |
Single-Stage |
Dual-Stage |
Lecture Bottle |
|
CO |
Research Purity 99.998% |
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Matheson Purity 99.99% |
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Ultra High Purity 99.9% |
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CP Grade 99.5% |
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Technical Purity 99% |
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Cl2 |
Research Purity 99.995% |
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Matheson Purity 99.99% |
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Ultra High Purity 99.9% |
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High Purity 99.5% |
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D2 |
Research Grade 99.999% |
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UHP Grade 99.995% |
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CP Grade 99.7% |
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C2H6O |
99.50% |
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C2H7N |
Dimethylamine |
99.50% |
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C2H6 |
Research Purity 99.995% |
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Matheson Purity 99.975% |
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Ultra High Purity 99.95% |
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CP Grade 99% |
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Technical Purity 95% |
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Formula |
Gas |
Purity |
Single-Stage |
Dual-Stage |
Lecture Bottle |
|
C2H4 |
Research Purity 99.999% |
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Matheson Purity 99.995% |
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Ultra High Purity 99.95% |
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Polymer Purity 99.9% |
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CP Grade 99.5% |
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Technical Purity 98% |
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C4F8 |
CP Grade 99.9% |
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He |
Research Purity 99.9999% |
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Matheson Purity 99.9995% |
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Ultra High Purity 99.999% |
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Zero Gas 99.995% |
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High Purity 99.995% |
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3500 psig 99.995% |
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6000 psig 99.995% |
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C3F6 |
CP 99.8% |
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H2 |
Research Purity 99.9999% |
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Matheson Purity 99.9995% |
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Ultra High Purity 99.999% |
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Prepurified 99.99% |
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Zero Gas 99.99% |
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Extra Dry 99.9% |
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3500 psig 99.95% |
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CP Grade 99.0% |
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Formula |
Gas |
Purity |
Single-Stage |
Dual-Stage |
Lecture Bottle |
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HBr |
Research Purity 99.995% |
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CP Grade 99.8% |
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HCl |
Research Purity 99.995% |
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Matheson Purity 99.995% |
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UHP 99.5% |
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Technical Purity 99% |
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HI |
Hydrogen-Iodide |
Matheson Purity 99.9% |
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H2S |
CP Grade 99.5% |
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Technical Purity 99% |
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C4H10 |
Research Purity 99.995% |
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Matheson Purity 99.985% |
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Ultra High Purity 99.91% |
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Instrument Purity 99.5% |
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CP Grade 99% |
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C4H8 |
CP Grade 99.0% |
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Kr |
Research Purity 99.998% |
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CH4 |
Research Purity 99.995% |
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Matheson Purity 99.99% |
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Ultra High Purity 99.97% |
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CP Grade 99.0% |
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Commercial Grade 93% |
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Technical Purity 98% |
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Formula |
Gas |
Purity |
Single-Stage |
Dual-Stage |
Lecture Bottle |
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CH3Cl |
CP Grade 99.9% |
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CH3F |
99% |
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CH3NH2 |
CP Grade 99.5% |
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Ne |
Research Purity 99.9995% |
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Ultra High Purity 99.999% |
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NO |
UHP 99.5% |
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CP Grade 99% |
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N2 |
Research Purity 99.9999% |
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Matheson Purity 99.9995% |
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Ultra High Purity 99.999% |
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Prepurified 99.998% |
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VOC Free 99.9995% |
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Acid Rain CEM 99.9995% |
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Vehicle Emmission Zero 99.9995% |
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Zero Gas 99.998% |
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High Purity 99.99% |
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Extra Dry 99.9% |
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Oxygen Free |
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3500 psig 99.998% |
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6000 psig 99.998% |
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Formula |
Gas |
Purity |
Single-Stage |
Dual-Stage |
Lecture Bottle |
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N20 |
Research Purity 99.995% |
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Matheson Purity 99.997% |
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Ultra High Purity 99.99% |
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SFC Purity 99.995% |
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CP Grade 99% |
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O2 |
Research Purity 99.998% |
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Matheson Purity 99.997% |
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Ultra High Purity 99.98% |
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Zero Gas 99.8% |
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Extra Dry 99.6% |
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C3H8 |
Research Purity 99.993% |
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Matheson Purity 99.98% |
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Ultra High Purity 99.88% |
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Instrument Purity 99.5% |
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CP Grade 99% |
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Natural Purity 93% |
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C3H6 |
Research Purity 99.97% |
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Matheson Purity 99.90% |
|
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Ultra High Purity 99.83% |
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Polymer Purity 99.5% |
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CP Grade 99% |
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Formula |
Gas |
Purity |
Single-Stage |
Dual-Stage |
Lecture Bottle |
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SO2 |
Anhydrous 99.98% |
|
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SF6 |
Research Purity 99.996% |
||||
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SFC Purity 99.95% |
|
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Dielectric Grade 99.9wt% |
|||||
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CP Grade 99.8% |
|||||
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SF4 |
Sulfur Tetrafluoride |
CP Grade Purity 98.5% |
|
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(CH3)3N |
99.50% |
|
|||
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Xe |
Research Purity 99.999% |
||||
|
Matheson Purity 99.995% |
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Additional Regulator Selection Information
General
• Guide to Regulators
• Product Line Overview
• Regulator Selection and Performance
Selecting the right regulator for your application
• Basic Regulator Selection Chart
• Specialty Regulator Selection Chart
CGA cylinder connections
• CGA Cylinder Connection Chart by Gas
• CGA Cylinder Connection Drawings
