ExxonMobil has launched its most advanced mineral-based oil for ammonia compressors used in refrigeration systems. Mobil GargoyleTM Arctic 68 NH has been designed to help improve system efficiency, and offers cost benefits for industrial refrigeration operators.
Mobil Gargoyle Arctic 68 NH has been developed to meet the growing use of ammonia as a natural refrigerant. The new oil is designed for large industrial reciprocating and rotary refrigeration compressors used in food freezing, cold storage and marine applications.
Thanks to a balanced formulation, Mobil Gargoyle Arctic 68 NH offers step-out performance compared with conventional mineral based refrigeration oils. Extended oil drain intervals, superior oil flow and wide temperature performance are among the many benefits.
Laboratory and bench tests
In extensive laboratory and bench tests, the new lubricant delivered good oil flow at low temperatures and effective oil return from the evaporator, helping to improve overall system efficiency. Mobil Gargoyle Arctic 68 NH also showed excellent wear protection and stability under extreme conditions and increased oil life thanks to thermo-oxidative stability and low volatility, which ensures a consistent performance.
“It is predicated that ammonia will be one of the main industrial refrigerants by 2020,” said Rainer Lange, Mobil SHC brand supervisor at ExxonMobil. “Our new premium lubricant for refrigeration compressors not only meets this growing need, but offers a huge range of additional benefits, giving operators a cost-effective solution to help improve system efficiency.”
Mobil Gargoyle Arctic 68 NH is the latest addition to ExxonMobil’s range of lubricants for refrigeration compressors and systems. It follows Mobil SHCTM Gargoyle 80 POE, a synthetic oil for CO2 refrigeration applications that launched in April 2016.