Section 3
SPECIFICATIONS
13
3.1 SPECIFICATIONS
DIMENSIONS WITHOUT ENCLOSURE
Model Series Length Width Height Weight
CFM/PSIG/HP in mm in mm in mm lb kg
20/12 (500/250/200) 120 3048 72 1829 75 1905 8500 3856
20/12 (500/350/200) 120 3048 72 1829 75 1905 8500 3856
20/12 (600/225/200) 120 3048 72 1829 75 1905 8500 3856
20/12 (630/350/250) 120 3048 72 1829 75 1905 9000 4082
20/12 (750/250/250) 120 3048 72 1829 75 1905 9000 4082
20/12 (750/350/300) 120 3048 72 1829 75 1905 9000 4082
COMPRESSOR:
Type: 2-Stage Oil Flooded Rotary
Maximum Full Load Operating Pressure: 350 psig (24.1 bar)
Bearing Type: Anti-Friction
Cooling: Pressurized Compressor Fluid
Lubricant: Sullube 32
Sump Capacity: 35 U.S. Gallons (132.5 liters)
Control: Electro-Pneumatic
MOTOR:
Type: O.D.P., 460V, A.C., Three Phase, 60 Cycles
Size: See Model Series above.
Speed: a) 1800 RPM and b) 1200 RPM for 500 CFM units.
3.2 LUBRICATION GUIDE
Sullair standard compressors are filled with Sullube
32 fluid as factory fill. MIXING OF OTHER FLUIDS
WIT HIN THE COMPRESSOR WILL VOID ALL
WARRANTIES.
Sullube 32 fluid should be changed every 8000
hours when indicated by fluid analysis or once a
year, whichever comes first. The fluid should be
changed more frequently under severe operating
conditions, such as high ambient temperatures cou-
pled with high humidity, or when high particulate
level, corrosive gases or strong oxidizing gases are
present in the air.
Maintenance of all other components is still recom-
mended as indicated in the Operator’s Manual.
Sullair encourages the user to participate in a fluid
analysis program with the fluid suppliers. This could
result in a fluid change interval differing from that
stated in this manual. Contact your Sullair Repre-
sentative for details.
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