Page 370 - Applied Process Design For Chemical And Petrochemical Plants Volume III

66131_Ludwig_CH11A 5/30/2001 4:50 PM Page 327

Refrigeration Systems 327

Medium-Temperature Commercial Refrigeration Interim Replacements b
ASHRAE Trade Name Manufacturer Replaces Type Lubricant a Applications Comments

R-401B MP66 AlliedSignal CFC-12 Blend Alkylbenzene Transport c Close to CFC-12.
(22/152a/124) DuPont (moderate or polyol Refrigeration Use where evap.
glide) ester retrofits temperature
o
below -10 F.
R-500 Alkylbenzene Retrofits
or polyol ester including
or in some air
cases mineral conditioners
oil d & dehumidifiers
R-406A GHG Peoples CFC-12 Blend Mineral oil Retrofits Can segregate
(22/142b/600a) Welding Supply (high glide) or to flammable
alkylbenzene composition.
R-409A 409A AlliedSignal CFC-12 Blend Alkylbenzene Retrofits c Higher
(22/124/142b) DuPont (high glide) or polyol capacity than
Elf Atochem ester or in CFC-12.
some cases Similar to
mineral oil d MP66.
R-414A Autofrost Peoples CFC-12 Blend Alkylbenzene Retrofits Similar to 409A.
(22/124/142b/600a) Welding Supply (high glide) or polyol ester
or in some cases
mineral oil d
R-414B Hot Shot ICOR International CFC-12 Blend Alkylbenzene Retrofits Similar to 409A.
(22/124/124b/600a) (high glide) or polyol ester
or in some cases
mineral oil d
R-416A FRIGC FR-12 Intercool Energy CFC-12 Blend Polyol Retrofits Lower pressure than
(124/134a/600) (small glide) ester 134a at high ambient
conditions.
Commercial and Residential Air-Conditioning Long-Term Replacements
ASHRAE Trade Name Manufacturer Replaces Type Lubricant a Applications Comments
R-123 HCFC-123 AlliedSignal CFC-11 Pure Alkylbenzene Centrifugal chillers Lower capacity than
DuPont fluid or mineral oil R-11. With
Elf Atochem modifications,
equivalent
performance
to CFC-11.
R-134a HFC-134a AlliedSignal CFC-12 Pure fluid Polyol New equipment Close match
DuPont Elf ester & retrofits to CFC-12.
Atochem
ICI
HCFC-22 Pure fluid Polyol ester New equipment Lower capacity
than HCFC-22,
larger equipment
needed.
R-410A AZ-20 AlliedSignal HCFC-22 Azeotropic Polyol New equipment Higher efficiency
(32/125) 9100 Dupont mixture ester than HCFC-22.
410A Elf Atochem Requires equipment
redesign.
R-407C 407C AlliedSignal HCFC-22 Blend Polyol New equipment Lower efficiency
(32/125/134a) Elf Atochem (high glide) ester & retrofits than HCFC-22;
ICI close capacity to
9000 Dupont HCFC-22.
a Check with the compressor manufacturer for their recommended lubricant.
b Interim replacement, contains HCFC-22, which is scheduled for phase-out under the Montreal Protocol.
c Not recommended for automotive air-conditioning.
d For more information on when to use mineral oil, see Applications Bulletin GENAP1, “Are Oil Changes Needed for HCFC Blends?”
Used by permission: Bul. G-525-043, ©1998. AlliedSignal, Inc., Speciality Chemicals.
Note: Company disclaimer applies.