The Ultimate Guide to R404A Refrigerant: Prices, Applications, and Technical Insights
R404A is a widely used refrigerant blend, primarily designed for medium and low-temperature refrigeration applications. With its key components being R-125, R-143a, and R-134a, R404A serves as a replacement for older refrigerants like R-22 and R-502, which are being phased out due to environmental regulations. This guide provides an in-depth look at R404A, including its price comparisons, applications, technical specifications, and important considerations for users.
R404A Refrigerant Comparison Table
| Refrigerant | Composition | Applications | GWP | Certification Needed |
|---|---|---|---|---|
| R404A | R-125/R-143a/R-134a (44/52/4 wt%) | Refrigerated trucks, grocery store freezers, ice machines | 3922 | Yes |
| R-22 | R-22 | Residential and commercial AC | 1810 | Yes |
| R-410A | R-32/R-125 | Residential and commercial AC | 2088 | Yes |
| R-134A | R-134a | Automotive AC, refrigeration | 1430 | Yes |
Understanding R404A Refrigerant
R404A is a non-ozone-depleting refrigerant that effectively cools medium and low-temperature applications. Its unique blend allows it to perform efficiently in various refrigeration systems, making it a popular choice in commercial settings. The composition of R404A consists mostly of R-125, R-143a, and R-134a, which work together to provide optimal thermal properties.
Applications of R404A
R404A is predominantly used in several applications:
- Refrigerated Trucks: It maintains the temperature of perishable goods during transport.
- Grocery Store Freezers: Used in display cases and walk-in coolers to keep food items fresh.
- Ice Machines: Essential for producing and storing ice in restaurants and events.
Pricing of R404A Refrigerant
Prices for R404A vary based on the supplier, quantity purchased, and region. Below is a general overview of pricing trends based on competitor offerings:
- Refrigerant Guys: Competitive pricing for replacement cylinders, but only available to certified technicians.
- Johnstone Supply: Pricing details not specified, but known for quality service and products.
- SupplyShop: Offers R404A with strict purchasing requirements for certification.
- Refrigerants Center: Known for bulk purchasing options and local pickup.
- Refrigerant HQ: Focus on bulk sales; prices depend on the volume purchased.
- Refrigerant Depot: Pricing details not available, but focuses on a variety of refrigerant types.
- Absolute Refrigerants: Offers free shipping and competitive pricing.
- Ability Refrigerants: Provides free shipping nationwide and guarantees product quality.
- eRefrigerants.com: Pricing not specified, but streamlined purchasing available online.
Technical Features of R404A
R404A has several technical specifications that make it suitable for various applications. Below is a comparison table highlighting its features.
| Feature | Value |
|---|---|
| Chemical Formula | R-125/R-143a/R-134a |
| Molecular Weight | 97.6 g/mol |
| Boiling Point | -46.5 °C |
| Critical Temperature | 72.1 °C |
| Critical Pressure | 3.90 MPa |
| Heat of Vaporization | 250.0 kJ/kg |
| Ozone Depletion Potential | 0 |
Regulatory Considerations
It is crucial to note that the sale of R404A is regulated. As of January 1, 2018, the sale of ODS and substitute refrigerants is restricted to certified technicians only. This regulation aims to minimize environmental impacts by controlling the use of high-GWP refrigerants.
Certification Requirements
To purchase R404A, individuals must possess EPA certification or a resale license. This is an essential step to ensure that only trained professionals handle these substances, which can be hazardous to both health and the environment.
Related Video
Conclusion
R404A is an essential refrigerant for various refrigeration applications, especially in commercial settings. Its efficient cooling properties make it a preferred choice for refrigerated trucks, grocery store freezers, and ice machines. Understanding the pricing, applications, and necessary certifications is crucial for anyone looking to purchase R404A. As regulations continue to evolve, staying informed about alternatives and environmental impacts will be vital for the industry.
FAQ
What is R404A refrigerant?
R404A is a refrigerant blend primarily composed of R-125, R-143a, and R-134a, used for medium and low-temperature refrigeration applications.
Where can I buy R404A?
R404A can be purchased from various suppliers like www.refrigerantguys.com, www.johnstonesupply.com, supplyshop.com, and other specialized refrigerant retailers.
Do I need a certification to purchase R404A?
Yes, you need an EPA certification or a resale license to purchase R404A refrigerant legally.
What are the primary applications of R404A?
R404A is mainly used in refrigerated trucks, grocery store freezers, and ice machines.
What is the ozone depletion potential of R404A?
R404A has an ozone depletion potential of 0, meaning it does not contribute to ozone layer depletion.
What are the main components of R404A?
R404A consists of R-125, R-143a, and R-134a in varying proportions.
What regulations affect the sale of R404A?
The sale of R404A is restricted to certified technicians, as of January 1, 2018, to ensure proper handling and minimize environmental impact.
What is the global warming potential of R404A?
R404A has a global warming potential (GWP) of 3922, making it a significant contributor to climate change.
Can I purchase reclaimed R404A?
Yes, in states like California and New York, the purchase of reclaimed R404A is required for compliance with state laws.
What alternatives exist for R404A?
Newer refrigerants like R-452A (Opteon XP44) are being developed as alternatives to R404A to reduce environmental impacts.