Comprag F3013 [11/92] Comprag screw air compressor f series

Comprag F3013 [11/92] Comprag screw air compressor f series
11
COMPRAG Screw air compressor F-Series
Fig. 2.5 Regulating
system
Unloading:
If air consumption is less than the air delivered by the compressor, the net pressure. In-
creases and reaches the upper limit of working pressure (unloading pressure).
The controller (2) stops energize the solenoid valve (3), the valve opens, the air pressure
from the separator tank (4) closes the damper (5) of the suction valve (1), and the compres-
sor’s pneumatic system is unloaded through the throttle.
Loading:
When the net pressure decreases to the loading pressure, the controller (2) energizes the
solenoid valve (3). Air pressure from the separator tank (4) is interrupted and the damper (5)
opens.
Air suction resumes and the compressor runs loaded.

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