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.

The term “ASME Certified” gets thrown around a lot in the cryogenic and compressed gas industry. But what does that really mean and why is it important?

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.)

Flow rate and pressure are constant concerns when it comes to cryogenics. When the demand for gas increases higher than the output of the liquid cylinder, both the pressure and flow rate drop in response. Here’s where a vaporizer saves the day.

Ratermann has a long and established relationship with Taylor-Wharton, and is one of the largest North American distributors for all DOT-4L liquid cylinders. Ideal for a wide variety of liquified gases, Taylor-Wharton cylinders lead the industry in quality and safety.