FOR MODELS: JGW, JGR AND JGJ SECTION 4 - LUBRICATION AND VENTING
1/01 PAGE 4 - 9
Natural Gas
(Water Satu-
rated and H
2
S
$ 30%)
SAE 40 wt.
ISO 150
w/ Compounding
1.5 x Base Rate
or Various
Synthetics
1.25 Base Rate
SAE 40 - 50 wt.
ISO 150 - 220
w/ Compounding
2 x Base Rate
or Various
Synthetics
1.5 x Base Rate
SAE 50 wt.
ISO 220
w/ Compounding
2.5 x Base Rate
or Various
Synthetics
2 x Base Rate
SAE 60 wt.
ISO 320
w/ Compounding
3.5 x Base Rate
or Various
Synthetics
2.5 x Base Rate
Cylinder Oil
ISO 460 - 680
w/ Compounding
5 x Base Rate
or Various
Synthetics
3 x Base Rate
Air SAE 40 wt.
ISO 150 Air
Compressor Oil
Base Rate
or Various
Synthetics
Base Rate
SAE 50 wt.
ISO 220 Air
Compressor Oil
w/ Compounding
1.5 x Base Rate
or Various
Synthetics
1.25 x Base Rate
Synthetic - Diester
1.5 x Base Rate
Contact Lubricant
Supplier
Contact Lubricant
Supplier
Wet Air
(Water Satu-
rated)
SAE 40 - 50 wt.
ISO 150 - 220
Air Compressor Oil
w/ Compounding
Base Rate
or Various
Synthetics
Base Rate
Synthetic - Diester
1.5 x Base Rate
Synthetic - Diester
2 x Base Rate
Contact Lubricant
Supplier
Contact Lubricant
Supplier
Nitrogen
(Bone Dry -
Contact Ariel)
SAE 40 wt.
ISO 150
Base Rate
or Various
Synthetics
Base Rate
SAE 40 - 50 wt.
ISO 150 - 220
Base Rate
or Various
Synthetics
Base Rate
SAE 50 wt.
ISO 220
Base Rate
or Various
Synthetics
Base Rate
SAE 60 wt.
ISO 320
Base Rate
or Various
Synthetics
Base Rate
Cylinder Oil
ISO 460 - 680
Base Rate
or Various
Synthetics
Base Rate
Propane
c
(Refrigerant)
SAE 40 wt.
ISO 150
or Refrigerant Oil
0.5 x Base Rate
or Various
Synthetics
0.5 x Base Rate
SAE 40 wt.
ISO 150
or Refrigerant Oil
Base Rate
or Various
Synthetics
Base Rate
Refrigerant Oil
Contact Lubricant
Supplier
Refrigerant Oil
Contact Lubricant
Supplier
Refrigerant Oil
Contact Lubricant
Supplier
a. Also requires water cooled packing.
b. Lean burn engine oils contain detergents, dispersants and ash additives, which hold water in suspension. This suspension
does not provide adequate lubrication in the cylinder and packings.
c. Verify oil pour point temperature is below inlet gas temperature.
TABLE 4-1: CYLINDER/PACKING LUBE OIL RECOMMENDATIONS FOR VARIOUS GAS STREAM COMPONENTS
GAS STREAM
CYLINDER DISCHARGE PRESSURE
< 1000
psig
< (70 bar
g
)
1000 to 2000
psig
(70 to 140 bar
g
)
2000 to 3500
psig
(140 to 240 bar
g
)
a
3500 to 5000
psig
(240 to 345 bar
g
)
a
> 5000
psig
> (345 bar
g
)
a