How the Gas Pressure Regulator Helps You Get the Most Out of Compressed Gases

Compressed gas providers like Cryo-Source usually put forth a large amount of effort to answer to their Portland customer’s specific needs when it comes to accuracy, purity, and various other specifications. The majority of these specialty gases are shipped in traditional high-pressure cylinders, and others are shipped in bulk, smaller containers, or dewars. Regardless of the delivery method, these gases will eventually face handling, distribution, and regulation by the Portland consumer. Throughout this, the gases face several different types of  gas equipment and methods of handling that will either decrease or maintain its purity.

Gas handling systems can vary from being very complicated to quite simplistic. But regardless of its configuration, the gas delivery system can have a notable effect on the purity of the gas and is a component that should never be underestimated. In addition, the employment of certain dangerous gases can produce safety hazards if they are not used with the proper equipment.As a result, Cryo-Source works hard to ensure that we are always using the right equipment and that our Portland customers are also

The purpose of gas regulators in gas delivery systems is to lower the pressure from a high-pressure origin to a pressure level that is suitable for use. The proper regulator protect the gas’s purity while simultaneously delivering it without harm. Because of its significance, there are many different elements to examine when choosing the best regulator for an application.

The first thing to determine when selecting a regulator is the purity level that is needed in the application. The three most common purity levels required are: general purpose, high-purity, and ultra-high purity.

For example, if an application needs high-purity gas, then a high-purity regulator should be employed rather than a general-purpose or other insufficient regulator. At the very least, regulators that are applied in delivery systems should be kept clean by the supplier to ensure both cleanliness and safe employment.

Another concern that should be considered when deciding on the correct regulator is the regulator’s body type. The bodies of regulators can be either produced from barstock or forged. Forging is employed with only brass; barstock, contrarily is employed for stainless steel, brass, and additional materials. There are many reasons for which barstock bodies are favored for high-purity applications. One reason is its small internal volume which makes it less difficult to purge, thus allowing the removal of moisture and impurities. Likewise, barstock has a smoother internal surface which decreases the amount of contaminants that are retained inside. Lastly, the grain structure of the metal is tighter in barstock, meaning it is less likely to absorb moisture and impurities.

In regards to materials of construction, brass is the material utilized the most in pressure regulators. In certain higher-purity employments or in cases where brass is incompatible with the gas being utilized, other materials such as stainless steel are used. Gases that have corrosive properties sometimes call for corrosion-resistant materials for all wetted parts, but flammables and inert gases are generally compatible with brass and most other materials. 316 stainless steel is most commonly utilized in circumstances that need corrosion-resistant materials.

Forged brass bodies are most commonly utilized with the lowest-purity gas, and in the lowest-cost regulators. Brass barstock bodies, contrarily, have smoother internal finishes and smaller internal volumes giving them the ability to maintain noncorrosive gases with higher purity levels. For semi-corrosive or corrosive gases or gas mixes and higher-purity demands, stainless steel should be used. For gases that are highly corrosive, Monel or Hastelloy should be the materials that are used because they enable more corrosion resistance.

Cryo-Source offers a wide variety of gas regulators and other specialty gas equipment that will help Portland customers accomplish all of their specialty gas applications in the safest, most reliable, and most effective manner. To learn more about Cryo-Source's specialty gas equipment and other specialty gas products offered by Cryo-Source in Portland, browse our catalog or contact us at 503-235-0168 or via email at