Finding Dependable Gas Regulators for the Lab

Pressure regulators for gases are must-haves for laboratories using compressed gas. Dependable regulators deliver gas at constant pressure and volume. Deciding which regulator to choose for your lab? Consider flow rates, purity level necessary, and the corrosiveness of the gas you use.

Gas pressure regulator types include:

Cole-Parmer® Single-Stage Regulator

• General-purpose in single- and two-stage models
• High-purity for both noncorrosive and corrosive applications (also in single- and two-stage models). Some are designed for process applications requiring precise, stable delivery pressure control. A specially-designed diaphragm allows flow control and maintains system purity.
• Special-service regulators for specialty gases (in single- and two-stage models). These regulators may feature interior surface treatments
• Analytical gas regulators—best for noncorrosive analytical applications—will not contaminate high-purity gases (in single- and two-stage versions)

In their article on gas pressure regulators in American Laboratory, authors Mike Marone and Ron Geib state several risks, such as using old components and regulators, using regulators that show corrosion or damaged threads or sealing surfaces, or those with gauges that are malfunctioning. Is it time to replace your gas pressure regulator?

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