AHRI ANSI/AHRI 771-2020 (SI)

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Performance Rating of Refrigerant Pressure Regulating Valve

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Performance Rating of Refrigerant Pressure Regulating Valve

PUBLISH DATE 2020
This standard establishes a single set of requirements for testing and rating the capacity of refrigerant pressure regulating valves for use with refrigerants R-12, R-22, R-134a, R-502, R-404A, and R-717. It applies to refrigerant pressure-regulating valves controlling volatile refrigerant flow.
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