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ANSI/ASHRAE 28-1996 (R2020)
Methods of Testing Flow Capacity of Refrigerant Capillary Tubes
Provides uniform methods for laboratory testing of the flow capacity of refrigerant capillary tubes. Prescribes a traditional and alternative method that use dry nitrogen and provide comparable results, but the alternative method is more convenient if electronic devices are used. Dual units of measurement
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. [ashrae]
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