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OPERATING PRINCIPLES
MAIN COMPONENTS
The Gardner Denver screw compressor is a single stage screw compressor with oil cooler. The
pressurized air is produced with a screw compressor unit driven by an electric motor. Oil is separated
from the compressed air in an oil separation receiver. The pressurized air and the oil are cooled with
separate coolers.
No.
Component
Purpose
1
Motor
Airend drive
2
Belts
Power transmission
3
Airend
Air compression
4
Inlet Valve
Output control
5
Inlet Filter
Filtering inlet air
6
Oil Separator
Oil separation
7
Minimum Pressure/Check Valve
Check valve; maintaining minimum pressure for oil flow to bearings
8
Pressure Relief Valve
Protection against too high pressures
9
Oil Cooler
Cooling of oil
10
Aftercooler
Cooling of compressed air
11
Fan
Cooling
12
Oil Filter
Oil filtering
13
Instrument Panel
Compressor operation and control
14
Moisture Separator
Separation of water from compressed air
15
Control Valves
Output control;
16
Main Switch
Power supply
17
Thermal Mixing Valve
Maintains minimum temperature of oil
Figure 1-2 – COMPRESSOR PACKAGE COMPONENTS
Summary of Contents for INTEGRA EFA99F
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