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Selection and Application Guidelines for Emkarate RL Refrigeration Lubricants

Par Qishanr Lubricants September 23rd, 2025 33 vues

The Emkarate® RL brand provides a complete range of viscosities coupled with quality, reliability and performance for original fill oils and retrofit aftermarket service oils. Emkarate® RL lubricants are not hazardous under 29 CFR 1910.1200. They provide improved properties over conventional mineral oils in all aspects, including viscosity index, flash and fire points, and pour point.


Typical Properties of Emkarate® RL Lubricants


Analysis
Method
RL5H
RL7H
RL10H
RL15H
RL22H
RL32H
RL46H
RL68H
RL100H
RL170H
RL220H
Viscosity at 40°C (cSt)
ASTM D445
5.8
7.2
9.7
15.1
18.9
32.5
45.3
66.6
96.5
170
215
Viscosity at 100°C (cSt)
ASTM D445
1.9
2.3
2.7
3.6
4.2
5.8
7.1
9.4
11.3
17.0
18.8
Viscosity Index
ASTM D2270
131
143
124
125
120
121
116
120
103
107
98
Pour Point (°C)
ASTM D97
-60
-51
-51
-60
-52
-46
-46
-39
-28
-25
-25
Density at 20°C (g/ml)
ASTM D1298
0.926
0.918
0.949
0.978
0.985
0.977
0.977
0.977
0.969
0.968
0.975
Flash Point (°C)
ASTM D92
184
196
205
222
240
258
260
270
260
290
280
Acid Value (mg KOH/g)
ASTM D974
<0.05
<0.05
<0.05
<0.05
<0.05
<0.05
<0.05
<0.05
<0.05
<0.05
<0.05

The Emkarate® RL polyol ester (POE) lubricants are designed to meet the needs of a wide range of compressor types in systems using HFC refrigerants.  This product series has OEM approvals across multiple manufacturers.


Emkarate® Refrigeration Lubricants - Approval List 
Industrial and Commercial Compressor Manufacturers - HFC/HCFC Systems
EQUIPMENT MANUFACTURER
COMPRESSOR TYPE (MODEL)
APPROVED EMKARATE RL GRADE(S)
BITZER
Reciprocating
RL 22H & 68H
Screw
RL 170H
CARRIER
Externally Geared Centrifugal Chillers (17EX, 17FA & 17MFS)
RL 68H
Screw
RL 220H
CARRIER CARLYLE
Reciprocating
RL 68H
CARRIER TRANSICOLD
Reciprocating (Marine Containers)
RL 22H
COPELAND
Reciprocating & Scroll
RL 32-3MAF, 32CF & 22CF
DANFOSS COMMERCIAL (MANEUROP)
Scroll (SZ, MFZ & LFZ)
RL 32H
Reciprocating (LTZ & NTZ)
RL 32H
DUNHAM BUSH
Reciprocating
RL 32H & 68H
Screw
RL 68H
Screw
RL 170H
HANBELL
Screw (RA, RB & V series)
RL 170H & 220H
Reciprocating
RL 68H
MCQUAY (J&E Hall)
Centrifugal
Screw
RL 68H, 68HB, 100H & 220H
TECUMSEH
Reciprocating
RL 32H
TRANE
Scroll
RL 32H
Scroll
RL 32HB
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