Transcription of Technical R-134a Guidelines - Refrigerants
1 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.
2 Can 30 LB. CYLINDER30 LB CYLINDER/withAutomotive Fitting125 LB. CYLINDER1000 LB. CYLINDER1750 LB. CYLINDERR eplaces: R-12 R-134aRefrigerant Reference Guide5th Edition 2010 Technical GuidelinesTHERMODYNAMIC PROPERTIES OF R-134aTemp[ F]-60-55-50-45-40-35-30-25-20-15-10-5051 0152025303540455055606570758085909510010 5110115120125130135140145150155160 PressureLiquid[psia] Liquid[lb/ft 3] [lb/ft 3] Liquid[Btu/lb] Vapor[Btu/lb] [Btu/R-lb] [Btu/R-lb]
