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产品名称：HFO-1234ze
(HFO-1234ze) is a sustainable alternative to traditional refrigerants for energy-efficient chillers and/or commercial air conditioning in supermarkets and commercial buildings, as well as in other medium-temperature applications like:
◆heat pumps
◆refrigerators
◆vending machines
◆beverage dispensers
◆air dryers
◆CO2 cascade systems in commercial refrigeration
HFO-1234ze meets your business criteria in performance, cost effectiveness, environmental impact and safety.
GENERAL INFORMATION
| ASHRAE # | R-1234ze |
| Class | Hydro-fluoro-olefin (HFO) |
| Refrigerant Type | Pure fluid |
| Typical Lubricant | POE Oil |
| Substitutes | R-134a |
| Glide | 0°F |
| GWP | <1 |
PHYSICAL PROPERTIES
| Chemical Name | Trans-1,3,3,3-tetrafluoroprop-1-ene |
| Chemical Notation | CHF=CHCF3 |
| Molecular Weight (lbm/lbmol) | 114 |
| Boiling Point @ 1 Atm, (°F) | -2.2 |
| Critical Temperature (°F) (ASTM D-1321) | 228.9 |
| Critical Pressure* (psia) | 527.2 |
| Saturated Liquid Density @ 86°F, (lb/ft3) | 71.6 |
| Specific Heat of Liquid @ 86°F, (Btu/lb•°F) | 0.335 |
| Specific Heat of Vapor @ Constant Pressure* (Cp), @ 86° and 1 Atm, (Btu/lb•°F) | 0.214 |
| Flammable range, %vol. in air (Based on ASHRAE Standard 34 with Match Ignition) | 7% - 12% (by volume) |
| ANSI/ASHRAE Standard 34-1992 Safety Group Classification | A2L |
