Overview:
R-123 was specifically developed as a replacement for R-11 in low-pressure centrifugal chillers. It is widely used in modern systems engineered with the correct materials and sizes to meet specific cooling needs. However, retrofitting existing R-11 chillers to R-123 may require replacing certain components like seals, gaskets, and other system parts to ensure proper operation and avoid leaks.
Key Features:
ASHRAE Safety Rating: R-123 has an ASHRAE rating of B1, meaning it has low toxicity but requires more stringent safety measures. Lower personal exposure levels are allowed during normal daily operation, but machinery rooms must follow specific requirements as per ASHRAE Standard 15 (Safety Code for Mechanical Refrigeration).
Retrofitting Considerations: When converting from R-11 to R-123, modifications may be necessary, including the replacement of gaskets and seals to achieve optimal operational conditions and leak prevention.
Low-Pressure Performance: R-123 is optimized for low-pressure centrifugal chiller systems, providing efficient cooling and performance in large industrial and commercial applications.
Safety Requirements:
Personal Exposure: Extra precautions must be taken due to the B1 rating, which permits lower exposure levels during service and daily operation.
EPA Certification: An EPA certification card is required to purchase R-123 or any other CFC and HCFC refrigerants, in compliance with environmental safety regulations.
Applications:
Low-Pressure Centrifugal Chillers: R-123 is primarily used in large industrial and commercial systems, providing efficient cooling in these specialized environments.
Retrofitting R-11 Chillers: It serves as an effective replacement for R-11, though retrofitting may require careful modification of existing systems.
Class: 2.2 (Non-flammable gas)
Global Warming Potential (GWP): 1774
Ozone Depletion Potential (ODP): 0
Packaging Quantities:
Disposable Cylinders: 1150 units without pallets / 900 units with pallets
Refillable Cylinders: 800 units with pallets / 1034 units without pallets
R407C Applications
R407C is a zeotropic blend composed of difluoromethane (R32), pentafluoroethane (R125), and 1,1,1,2-tetrafluoroethane (R134a). Each component serves a specific function:
R32 provides heat capacity.
R125 reduces flammability.
R134a lowers operating pressure.
R407C is recognized as a long-term replacement for R22, sharing similar performance characteristics. It is widely used in air conditioning systems and non-centrifugal refrigeration systems for medium and high temperature applications, making it an ideal solution in a variety of HVAC setups.
Chemical Name: Dichlorodifluoromethane (CCl2F2)
Purity: 99.8% minimum
Packaging: 13.6 kg disposable cylinders or customized bulk packaging
Boiling Point: -29.8C
Molecular Weight: 120.91 g/mol
Product Overview:
R12 Refrigerant, also known as Dichlorodifluoromethane, is a high-quality refrigerant gas used primarily in older refrigeration and air conditioning systems. Known for its excellent thermal properties, R12 is commonly used in automotive air conditioning systems, refrigerators, and large-scale commercial cooling equipment.
Automotive Air Conditioning: For older car models.
Commercial & Industrial Refrigeration: Large-scale systems requiring stable performance.
Household Refrigeration: Legacy domestic refrigerators and freezers.
Pricing & Availability:
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Product Name: R11 Refrigerant Gas (Dichlorofluoromethane)
R11, also known as dichlorofluoromethane, is a chlorofluorocarbon (CFC) refrigerant that was once widely used in air conditioning and refrigeration systems. Its primary applications included large-scale cooling systems, such as centrifugal chillers in commercial and industrial environments.
Key Specifications:
Chemical Name: Dichlorofluoromethane (CFC-11)
Class: 1 (Chlorofluorocarbon)
Applications:
Air Conditioning Systems: Historically used in large, industrial air conditioning systems.
Refrigeration Systems: Utilized in refrigeration systems that required large cooling capacities.
Centrifugal Chillers: Most commonly found in older centrifugal chiller systems.
Chemical Name 1112Tetrafluoroethane
Molecular Formula CH2FCF3
Molecular Weight 10202 gmol
Boiling Point 262C 151F
Vapor Pressure 5915 hPa at 211C
Density 12 gcm
Water Solubility 15 gL
Westron R134A is a highly effective nontoxic nonflammable and energyefficient refrigerant designed to meet modern environmental standards It offers zero ozone depletion potential ODP making it a safer alternative to older refrigerants like CFCs and HCFCs
Key applications include
Automobile air conditioning
Residential commercial and industrial cooling
Mediumtemperature refrigeration
Food processing and storage
Transport refrigeration
Hightemperature heat pumps
Environmental Benefits
Zero ODP ensures it doesnt harm the ozone layer
Lower GWP compared to other refrigerants making it a more ecofriendly choice
Lubrication Compatibility
POE Polyolester and PAG Poly Alkylene Glycol oils work well with R134A especially in automotive air conditioning systems
Mineral Oil and Alkyl Benzene lubricants are incompatible with R134A
Note POE and PAG oils absorb moisture quickly so proper handling is essential to avoid prolonged exposure to air
