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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.

 

Formula

Gas

Purity

Recommendation by Regulator Type

Single-Stage

Dual-Stage

Lecture Bottle

C2H2

Acetylene

Purified 99.6%

18A-510

 81LA-510

 

CP Grade 98%

18A-510

 81LA-510

 

n/a

Air

Acid Rain CEM

3530A

3120A

 

VOC Free

3530A

3120A

 

Ultra Zero Certified

3530A

3120A

3550

Dry

3530A

1250

3550

Zero Gas

3530A

1250

3550

NH3

Ammonia

Research Purity 99.9992%

3610A

 REG4670

 

Matheson Purity 99.999%

3610A

 REG4670

 

SFC Purity 99.995%

3610A

 REG4670

 

Anhydrous 99.99%

3610A

 REG4670

3570

Ar

Argon

Research Purity 99.9999%

3510A

3810A

 

Matheson Purity 99.9995%

3510A

3810A

3570

Ultra High Purity 99.999%

3530A

3120A

3550

Prepurified 99.998%

3530A

1250

3550

Zero Gas 99.998%

3530A

1250

3550

High Purity 99.995%

18

81

3320

3500 psig 99.998%

3060AR

 

 

6000 psig 99.998%

3060AR

 

 

Formula

Gas

Purity

Single-Stage

Dual-Stage

Lecture Bottle

BF3

Boron Trifluoride

CP Grade 99.5% wt.%

3610A

3810A

3570

C4H6

1, 3-Butadiene

CP Grade 99%

18

 

3320

C4H10

n-Butane

Research Purity 99.98%

3530A

 

3550

Matheson Purity 99.93%

3530A

 

3550

Ultra High Purity 99.85%

3530A

 

3550

Instrument Purity 99.5%

3530A

 

3550

CP Grade 99%

18

 

3320

C4H8

1-Butene

CP Grade 99%

18

 

3320

Technical 95%

18

 

3320

C4H8

cis-2-Butene

Technical 95%

18

 

3320

C4H8

trans-2-Butene

Technical 95%

18

 

3320

CO2

Carbon Dioxide

Research Purity 99.995%

3530A

3120A

 

SFC Purity 99.999%

3530A

3120A

 

Coleman Instrument 99.99%

3530A

1250

3550

Bone Dry 99.8%

18

81

3320

CP Grade 99.5%

18

81

 

Formula

Gas

Purity

Single-Stage

Dual-Stage

Lecture Bottle

CO

Carbon Monoxide

Research Purity 99.998%

3510A

3810A

 

Matheson Purity 99.99%

3530A

3120A

 

Ultra High Purity 99.9%

3530A

1250

3550

CP Grade 99.5%

18

81

3320

Technical Purity 99%

18

81

3320

Cl2

Chlorine

Research Purity 99.995%

3210A

 

3570

Matheson Purity 99.99%

3210A

 

3570

Ultra High Purity 99.9%

3630A

 

3570

High Purity 99.5%

3630A

 

3570

D2

Deuterium

Research Grade 99.999%

3530A

3120A

3550

UHP Grade 99.995%

3530A

3120A

3550

CP Grade 99.7%

3530A

3120A

3550

C2H6O

Dimethyl Ether

99.50%

3530A

 

3320

C2H7N

Dimethylamine

99.50%

3610A

 

3570

C2H6

Ethane

Research Purity 99.995%

3530A

3120A

 

Matheson Purity 99.975%

3530A

3120A

 

Ultra High Purity 99.95%

3530A

1250

3550

CP Grade 99%

18

81

3320

Technical Purity 95%

18

81

3320

Formula

Gas

Purity

Single-Stage

Dual-Stage

Lecture Bottle

C2H4

Ethylene

Research Purity 99.999%

3530A

3120A

 

Matheson Purity 99.995%

3530A

3120A

 

Ultra High Purity 99.95%

3530A

3120A

3550

Polymer Purity 99.9%

3530A

3120A

3320

CP Grade 99.5%

3530A

1250

3320

Technical Purity 98%

18

81

3320

F2

Flourine

 

3225A-679

   

C4F8

Halocarbon C318

CP Grade 99.9%

3530A

 

3320

He

Helium

Research Purity 99.9999%

3510A

3810A

3570

Matheson Purity 99.9995%

3510A

3810A

3570

Ultra High Purity 99.999%

3530A

3120A

3550

Zero Gas 99.995%

3530A

3120A

3550

High Purity 99.995%

3530A

3120A

3550

3500 psig 99.995%

3060AR

 

 

6000 psig 99.995%

3060AR

 

 

C3F6

Hexafluoropropylene

CP 99.8%

3530A

 

3550

H2

Hydrogen

Research Purity 99.9999%

3610A

3810A

 

Matheson Purity 99.9995%

3610A

3810A

 

Ultra High Purity 99.999%

3610A

3810A

3570

Prepurified 99.99%

3530A

3120A

3550

Zero Gas 99.99%

3530A

3120A

3550

Extra Dry 99.9%

3530A

1250

3550

3500 psig 99.95%

3060A

 

 

CP Grade 99.0%

18

81

 

Formula

Gas

Purity

Single-Stage

Dual-Stage

Lecture Bottle

HBr

Hydrogen Bromide

Research Purity 99.995%

3210A

 

3570

CP Grade 99.8%

3210A

 

3570

HCl

Hydrogen Chloride

Research Purity 99.995%

3210A

 

 

Matheson Purity 99.995%

3210A

 

3570

UHP 99.5%

3210A

 

3570

Technical Purity 99%

3210A

 

3570

HI

Hydrogen-Iodide

Matheson Purity 99.9%

3610A

 

3570

H2S

Hydrogen Sulfide

CP Grade 99.5%

3610A

 

3570

Technical Purity 99%

3610A

 

3570

C4H10

Isobutane

Research Purity 99.995%

3530A

 

3550

Matheson Purity 99.985%

3530A

 

3550

Ultra High Purity 99.91%

3530A

 

3550

Instrument Purity 99.5%

3530A

 

3550

CP Grade 99%

18

 

3320

C4H8

Isobutylene

CP Grade 99.0%

18

 

3320

Kr

Krypton

Research Purity 99.998%

3510A

3810A

3570

CH4

Methane

Research Purity 99.995%

3510A

3810A

3570

Matheson Purity 99.99%

3530A

3120A

3550

Ultra High Purity 99.97%

3530A

3120A

3550

CP Grade 99.0%

18

81

3320

Commercial Grade 93%

18

81

3320

Technical Purity 98%

18

81

3320

Formula

Gas

Purity

Single-Stage

Dual-Stage

Lecture Bottle

CH3Cl

Methyl Chloride

CP Grade 99.9%

3530A

 

3550

CH3F

Methyl Fluoride

99%

3530A

3120A

 

CH3NH2

Monomethylamine

CP Grade 99.5%

3610A

 

3570

Ne

Neon

Research Purity 99.9995%

3510A

3810A

 

Ultra High Purity 99.999%

3510A

3810A

 

NO

Nitric Oxide

UHP 99.5%

3610A

 

 

CP Grade 99%

3610A

 

 

N2

Nitrogen

Research Purity 99.9999%

3510A

3810A

 

Matheson Purity 99.9995%

3510A

3810A

3570

Ultra High Purity 99.999%

3530A

3120A

3550

Prepurified 99.998%

3530A

3120A

3550

VOC Free 99.9995%

3510A

3810A

 

Acid Rain CEM 99.9995%

3510A

3810A

 

Vehicle Emmission Zero 99.9995%

3510A

3810A

 

Zero Gas 99.998%

3530A

3120A

3550

High Purity 99.99%

3530A

1250

3550

Extra Dry 99.9%

18

81

3320

Oxygen Free

3530A

3120A

3550

3500 psig 99.998%

3060AR

 

 

6000 psig 99.998%

3060AR

 

 

Formula

Gas

Purity

Single-Stage

Dual-Stage

Lecture Bottle

N20

Nitrous Oxide

Research Purity 99.995%

3510A

3810A

 

Matheson Purity 99.997%

3530A

3120A

 

Ultra High Purity 99.99%

3530A

3120A

3550

SFC Purity 99.995%

3530A

3120A

 

CP Grade 99%

18

81

3320

O2

Oxygen

Research Purity 99.998%

3510A

3810A

 

Matheson Purity 99.997%

3510A

3810A

3570

Ultra High Purity 99.98%

3530A

3120A

3550

Zero Gas 99.8%

3530A

3120A

3550

Extra Dry 99.6%

18

81

3320

C3H8

Propane

Research Purity 99.993%

3530A

 

3550

Matheson Purity 99.98%

3530A

 

3550

Ultra High Purity 99.88%

3530A

 

3550

Instrument Purity 99.5%

18

 

3320

CP Grade 99%

18

 

3320

Natural Purity 93%

18

 

 

C3H6

Propylene

Research Purity 99.97%

3530A

 

3550

Matheson Purity 99.90%

3530A

 

3550

Ultra High Purity 99.83%

3530A

 

3550

Polymer Purity 99.5%

3530A

 

3550

CP Grade 99%

18

 

3320

Formula

Gas

Purity

Single-Stage

Dual-Stage

Lecture Bottle

SO2

Sulfur Dioxide

Anhydrous 99.98%

3610A

 

3570

SF6

Sulfur Hexafluoride

Research Purity 99.996%

3530A

3120A

3550

SFC Purity 99.95%

3530A

3120A

 

Dielectric Grade 99.9wt%

3530A

1250

3320

CP Grade 99.8%

18

81

3320

SF4

Sulfur Tetrafluoride

CP Grade Purity 98.5%

3630A

 

 

(CH3)3N

Trimethylamine

99.50%

3610A

 

3570

Xe

Xenon

Research Purity 99.999%

3510A

3810A

3570

Matheson Purity 99.995%

3510A

3810A

3570