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Ratermann Learning Center

A hub providing relevant information and updates on industrial gas, cryogenics, and CGA regulations, as well as industry specific solutions for fill plants, beverage distribution and medical gas supplies.

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cryogenic valves

Cryogenic Danger Zone: Preventing System Failure from Particulates & Debris

By: Lance Looper
November 29th, 2023

Did you know that over 99% of cryogenic relief valve failures are due to a build-up of particulates, dirt and debris? And that tank slag, Teflon tape, and dirt are the most common culprits? When these contaminants build up in valves, they prevent the valves from re-seating properly. At best, a blocked valve results in minor leakage requiring valve replacement. At worst, a fully blocked relief valve leads to overpressurization causing dangerous and life-threatening system failure.

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cryogenic valves | generant

Cryogenic Safety: Stop the Pop

By: Lance Looper
November 22nd, 2023

If you’ve ever been in close proximity to a cryogenic cylinder when the safety relief valve pops open, you know it’s jarringly loud, almost like a shotgun blast. From a safety standpoint, the noise is high enough in decibels (over 100dB) to cause hearing damage if a worker is close enough to the valve. And from a plain nuisance perspective, it’s extremely startling and disruptive.

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SB-26 Guidelines: Preventing Gas Mix-Ups

Preventing Gas Mix-Ups: Ratermann's Guide to SB-26

Refresh your understanding of the critical preventive measures that have been shown to save lives by subscribing to our blog for a free download of our guide: Ratermann's guide to SB-26 & our reccomendations to prevent gas mix-ups.

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cryogenic valves | generant | valves | relief valves

Meet High-Purity Demands with Generant Stainless CRV Relief Valves

By: Lance Looper
August 9th, 2023

When it comes to hydrogen systems, high-quality stainless steel is the rule, not the exception. Resistant to rust, discoloration and warping, stainless steel performs exceptionally well under harsh conditions. Not only relied upon for hydrogen systems, stainless steel components are also critically important in high-purity applications like cannabis extraction and oxygen service, where high quality is a necessity, not an option.

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cryogenic valves | hydrogen | valves | herose

Prevent Hydrogen Embrittlement with Herose ASME Stainless Relief Valves

By: Lance Looper
July 26th, 2023

As hydrogen continues to increase in popularity, a particular focus is finding valves and components that are tough enough to stand up to hydrogen. By affecting the electrochemical kinetics of certain metals, hydrogen can cause pitting and acceleration of the rate of inter-granular corrosion of high-strength steels, titanium alloys and aluminum alloys, which are the most vulnerable metals. Additionally, the interaction of hydrogen and stress can result in escalated stress-corrosion cracking susceptibility of steel, particularly in welded joints.

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cryogenic equipment | cryogenic valves

Cryogenic Tips: Ensuring Purity Down the Line

By: Lance Looper
June 27th, 2023

The extremely low temperatures that cryogenic systems operate under causes materials to become brittle and more susceptible to damage. Any foreign particles such as dirt, dust or even water vapor can damage the system by scratching or abrading components. That, in turn, leads to leaks that can release cryogenic fluids and cause life-threatening situations.

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Cryogenic Corner | cryogenic equipment | cryogenic valves

Preventing Pressure Drops & Cavitation in Positive Displacement Systems

By: Lance Looper
June 7th, 2023

Positive displacement systems can be found across a broad range of industries where accurate and precise fluid or gas transfer or pumping is imperative. In the simplest of terms, a positive displacement system displaces a specific quantity of liquid for every revolution or cycle that a pump completes. The flow rate is directly proportional to the speed and number of pump cycles over a given time.

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