Packaging specifications: Non-reusable cylinders: 100g-1000g 11.3kg(30lbs), 22.7kg(50lbs)
Reusable cylinders: 400L, 800L, 1000L ISO TANK
Physical Properties
| Molecular Formula | CH2F2/CHF2F2CF3/CF3C |
| Molecular Weight | 86.2 |
| Boiling Point (℃) | -43.8 |
| Freezing Point (℃) | - |
| Liquid 30℃(kg/m3) | 1129.3 |
| Critical Temperature (℃) | 87.3 |
| Critical Pressure (MPa) | 4.63 |
| Solubility in water, 25%) | - |
| Ozone Depletion Potential | 0 |
| Global Warming Potential | 1700 |
| ASHRAE Safety Group | A1 (Non-toxic and Non-flammable) |
Quality Standard
| Purity | ≧99.80% | |
| Moisture | ≦0.001% | |
| Acidity | ≦0.00001% | |
| Residue on Evaporation | ≦0.01% | |
| Chloride (Cl-) Test | ≦0.0001% | |
| Appearance | Colorless, clear | |
| Odor | Odorless | |
Application
R-407C is a widely used medium-high temperature refrigerant today, used to replace R22 and R502. It is clean, low-toxic, non-flammable, and has good refrigeration effects. It is mainly used in household air conditioners, small and medium-sized commercial air conditioners (small and medium-sized unit air conditioners, household central air conditioners, multi-unit air conditioners), mobile air conditioners (car air conditioners, etc.), dehumidifiers, freeze dryers, marine refrigeration equipment, industrial refrigeration, and other refrigeration equipment. R407C, as a long-term replacement for R22, is mainly used in air conditioners and non-centrifugal refrigeration systems.
Storage and Transportation
R-407C refrigerant cylinders are pressurized containers. During storage, they should be kept away from fire and heat sources, and should be protected from direct sunlight. They are usually stored in a cool, dry, and ventilated warehouse. When handling, they should be handled with care to prevent damage to the cylinders and valves.
Refrigerant Oil
Refrigerant oils commonly used with R-407C refrigerant include: EMKARATE RL68H, RL170H, ICEMATIC SW68, SW220, etc. The type of refrigerant oil ultimately used in different equipment and applications should follow the recommendations of the refrigeration compressor and refrigeration (air conditioning) equipment manufacturer or be determined based on the specific conditions of the refrigeration compressor and equipment used, i.e., using equivalent design and technician-required refrigerant lubricating oil, selecting an equivalent refrigerant oil.
Packaging Specifications:
Non-reusable cylinders—11.3kg
Phase-out Schedule
R-407C is an HFC-type non-azeotropic environmentally friendly refrigerant (completely free of ozone-depleting CFCs and HCFCs), recognized and recommended by the vast majority of countries in the world as a mainstream medium-high temperature environmentally friendly refrigerant, widely used in the initial installation and replenishment during maintenance of new refrigeration equipment. It meets the standards of the U.S. Environmental Protection Agency (EPA), SNAP, and UL, and meets the A1 safety group classification of the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) (this is the highest level, harmless to human body).
Comparison of Theoretical Cycle Performance of R-407C and R-22
| Refrigerant | R-407C | R-22 |
| Refrigeration Capacity | 1 | 1 |
| Coefficient of Performance | 6.27 | 6.43 |
| Compression Ratio | 2.83 | 2.66 |
| Compressor Discharge Temperature ℃ | 75.1 | 77.3 |
| Compressor Discharge Pressure kpa | 1763 | 1662 |
| Temperature Glide ℃ | 4.9 | 0 |
Note: Temperatures are as follows—Condenser: 43.3℃, Evaporator: 7.2℃, Low Temperature Cooling: 2.8℃, Superheat: 8.3℃.
Note
R407C refrigerant is the simplest choice to replace Freon R22 in newly installed refrigeration equipment (usually for air conditioning systems); however, since R407C and R22 have different physical and chemical properties, theoretical cycle performance, and compressor oil, for after-sales maintenance of refrigeration equipment initially installed with R22 refrigerant, if it is necessary to add or replace refrigerant, only R22 can still be added, and R407C cannot be directly used to replace R22 (a complete replacement is not possible; however, for refrigeration equipment initially using R22, R417A can be used to directly replace R22 during maintenance or replacement). R407C can be used in the original R22 system without redesigning the system. Only a small number of components in the original system need to be replaced, and the mineral refrigerant oil in the original system must be replaced with a lubricating oil (POE oil) that is miscible with R407C, so that the R407C can be directly charged, achieving environmentally friendly replacement of the original equipment. Since R407C is a mixed non-azeotropic working fluid, in order to ensure that its mixed components do not change, R407C must be charged in liquid form. If the R407C system has a refrigerant leak, and the performance of the system changes significantly, the remaining R407C in the system cannot be recycled, and the remaining R407C refrigerant in the system must be drained, and new R407C refrigerant must be recharged.
Keywords
R407C
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