Recent Blog Posts

Refrigeration Cycle: Oil and Compressors

September 29th, 2026

Because of their rotating components, all compressors require lubrication. Early designs of reciprocating compressors utilized a “splash system” in which the “throw” on the crankshaft would dip into an oil pool in the crankcase and splash it over the moving parts as the shaft rotated. Today, reciprocating compressors used in industrial refrigeration utilize “internal force feed” lubrication […]

Oil Storage and Machinery Rooms

October 3rd, 2017

The material in this post is outdated. Refer to the 10/7/25 blog post titled “Navigating New Oil Storage Rules: A Look at ANSI/IIAR 6-2025” for current oil storage requirements. Every closed-circuit ammonia refrigeration system utilizes oil for compressor lubrication. Facilities typically maintain new oil onsite in 55-gallon drums. We have observed that it is common […]