ASHRAE Guideline 38 establishes a test procedure using metal pressure vessels for the evaluation of materials used in refrigeration systems. The use of metal vessels allows for the testing of a variety of materials, regulation of the pressure of the test, use of a realistic sample size to oil/refrigerant ratio, and other analytical tests, such as extraction.
Guideline 38-2023, Guideline for Using Metal Pressure Vessels to Test Materials Used in Refrigeration Systems
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ASHRAE , 2023
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