industrial gas regulations, CGA regulations, beer over foaming, large cryogenic tank, industrial gas deliveries, bad cryogenic hose, how to fix a dewar

Copper tubing is a popular material in cryogenics because of its ductile nature at low temperatures. But copper is not immune to pinholes and cracking due to daily wear-and-tear and weaknesses introduced by contaminants and general exposure to the elements.

Tube fittings probably aren’t something you think about every day, at least, not until something breaks. And when that something breaks, you want to be certain you have the replacements on-hand that can do the job.

A vast majority of problems with DOT-4L liquid cylinders are directly related to customer tampering with the set screws on economizers and pressure-building regulators. Customer tampering isn’t necessarily done with malicious intent, it’s often a misunderstanding of how the pressure regulator works or an attempt to self-diagnose a potential issue.

Invented in 1892 by Sir James Dewar, the double-walled cryogenic storage vessel known as a “dewar” revolutionized the cryogenic industry by allowing cryogenic media to be stored for longer periods of time. Though the concept didn’t change much over the years, the biggest innovation came in the form of multilayer insulation, which increased storage times dramatically and made the dewar the industry standard. (Incidentally, it was also discovered that the same construction also kept hot liquids hot, prompting the development of the modern thermos.)

Repetitive motion is one of the top causes of on-the-job injuries. In the medical gas industry, an oxygen distributor can fill thousands of cylinders a day, and each fill requires a new seal and dust cover. In the past, that repetitive work of popping off and replacing covers and seals quickly resulted in thumb and hand overuse injuries. And the ripple effect could be decreased productivity and fewer cylinders moving out each day.

Ratermann Leak Check fluid may seem like a simple product with a simple function, but hiding behind that simplicity is an extremely important purpose: reducing product loss and doing it safely.