8/7/2020 9:32:28 PM

ComStar Refrigerants

ComStar Refrigerants

Refrigerant technology has come a long way in the last 20 years — advancements in chemistry and dedicated focus on reducing global warming potential have shifted and phased out harmful HCFC’s.  The ComStar line of performance refrigerants easily replace R22 and R404a in a wide variety of applications with a significantly lower environmental impact. 

ComStar Refrigerants - RS Series

These three performance refrigerants make it easy to replace harmful and outdated chemistry in R22 and R404.  Browse the solutions portfolio by performance characteristics and common applications below.
 

RS-44b

ASHRAE No. R453A
Mol Weight 105.3
Temperature Glide ~4.2 K
Drop-in / Long-Term Both
Lubricant MO/AB/POE
ODP Zero
Critical Temp
189.6°F
87.5°C
Critical Pressure
45.7 Bara
663 psia
Boiling Pt (1 atm)
-44.5°F
-42.5°C

Available in: 24 lb., 125 lb. and 1,000 lb. Cylinders

RS-45

ASHRAE No. R434A
Mol Weight 105.3
Temperature Glide ~1.5 K
Drop-in / Long-Term Both
Lubricant MO/AB/POE
ODP Zero
Critical Temp
172.1°F
77.8°C
Critical Pressure
39.3 Bara
570 psia
Boiling Pt (1 atm)
-44.9°F
-48.8°C

Available in: 24 lb., 110 lb. and 850 lb. Cylinders

RS-50

ASHRAE No. R442A
Mol Weight 81.8
Temperature Glide 4.6 K
Drop-in / Long-Term Both
Lubricant MO/AB/POE
ODP Zero
Critical Temp
180.3°F
82.4°C
Critical Pressure
47.6 Bara
690 psia
Boiling Pt (1 atm)
-51.6°F
-46.5°C

Available in: 25 lb., 125 lb. and 1,000 lb. Cylinders


RS-44b Performance Refrigerant

ComStar's RS-44b is the next generation Drop-in Replacement for R22 in all applications with a significantly lower global warming potential (GWP) and zero ozone depletion potential (ODP).
 
  • Drop-In Performance - No Oil, System or Component Change Required 
  • Compatible with Mineral (MO), Alkyl Benzene (AB) and Polyol Ester (POE) Based Lubricants 
  • Non-flammable & Low Toxicity Performance
 
Common applications include, but not limited to: 
Air Conditioning, Commercial & Industrial Refrigeration, Chillers, Beer & Wine Cellars, Cold Stores, Refrigerated Transport, Supermarket Displays & Appliances, Dairy Chillers, and Much More. 

RS-45 Performance Refrigerant 

ComStar's RS-45 is the ideal, drop-in replacement for R22 in flooded chiller systems.  Reduce the environmental impact with this Zero-ODP and Low-GWP refrigerant technology.
 
  • Drop-in Replacement for R22 - No Oil, System, or Component Change Required 
  • Low Glide Performance Equivalent to R22
  • Non-Flammable & Low Toxicity Performance

Common applications include, but are not limited to: 
Medium & Low Temperature Applications and Chillers with Flooded Evaporators

RS-50 Performance Refrigerant 

ComStar’s RS-50 is an eco-friendly replacement for R404A and R507 with higher energy efficiency and cuts the global warming potential (GWP) in half compared to R404A or R507. Mass flow is equivalent to R22 and considerably less than R404A or R507.
 
  • Non-ozone depleting and non-flammable
  • Replaces R22 in medium & low temp refrigeration applications
  • Compatible with POE lubricants commonly used with R404A
  
Common applications include, but are not limited to:
Supermarket display cases, cold stores, freezers, refrigerated transport, ice machines, cold storage, beer cellars, freeze dryers & environmental test chambers.

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