Refrigerants

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The Shield™ refrigerant locking cap has an inner and an outer cap, which are made from C360 alloy brass. The cap comes with a waterproof, color-coded, rubberized sleeve to protect the cap against outside elements as well as allow for easy identification of refrigerants.

Current inventory of R-22 remains plentiful in the U.S., even as the industry heads toward a total phaseout of the popular refrigerant in 2020.

A recent state-of-the-industry panel session focused on the cost-effectiveness and energy efficiency of natural refrigerants when compared to the much more common f-gases.

On the horizon are the so-called natural refrigerants. Measurements in real-world applications are continually pouring in, offering more evidence of the potential impact — or lack thereof — that these so-called natural refrigerants possess.

In supermarket refrigeration, much of the refrigerant talk is on the so-called ‘naturals.’ And among the naturals, one of the most talked about is R-744 (CO₂). 

The newest edition, “Locking Caps Guard Against Huffing,” explains why new codes require locking caps on outdoor air conditioners and heat pumps.