Transcription of Technical R-134a Guidelines - Refrigerants
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Technical R-134a Guidelines - Refrigerants
Available in the following sizesPressure-Temp Properties of RefrigerantsEnvironmental ClassificationMolecular WeightBoiling Point (1 atm, F)Critical Pressure (psia)Critical Temperature ( F)Critical Density, ( ^ 3)Liquid Density (70 F, ^ 3)Vapor Density (bp, ^ 3)Heat of Vaporization (bp, BTU/lb.)Specific Heat Liquid (70 F, BTU/lb. F)Specific Heat Vapor (1 atm, 70 F, BTU/lb. F)Ozone Depletion Potential (CFC 11 = )Global Warming Potential (CO2 = ) ASHRAE Standard 34 Safety Reference Guide5th Edition 201023R-134aTechnicalGuidelinesApplicati ons:Household appliances, refrigeration (commercial and self-contained equipment), centrifugal chillers and automotive air conditioningPerformance: Similar PT properties in air-conditioning Slight drop in capacity at lower temperature applications (below -10 F)Lubricant Recommendation: Compatible with polyolester lubricant for stationary equipment and polyalkaline glycol for automotive A/C systemsRetrofitting: Replacement for R-12 page 90, 91 Temp( F)R-134apsigR-134a12 oz.
Refrigerant Reference Guide 5th Edition 2010 Technical Guidelines THERMODYNAMIC PROPERTIES OF R-134a Temp [˚F]-60-55-50-45-40-35-30-25-20-15-10-5
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