Comprag ADX-F-250 [10/56] Functionality

Comprag ADX-F-50 [10/56] Functionality
10
Version 1.0
2.3
Functionality.
Fig. 2.3 Flow chart of air dryer
Cyclogram for the opening and closing of electromagnetic pneumatic valves (PV) 5.
PV4 – solenoid valve of left tower
PV2 – solenoid valve of right tower
Both solenoid valves, PV2 and PV4, are closed during start-up.
Phase A. Solenoid valve PV2 is actuated and the pressure falls in tower 2 to atmospheric
pressure. Bypass valve 1 switches to closing tower 2 (as there is no pressure in this tower).
The inow of compressed air is fed into tower 4, where adsorbent material adsorbs the
moisture to the required set amount.
Some of the dry air passes through the injector 7 from tower 4 to tower 2, where it expands.
7
3
4
2
5
1 6
Air for drying
Dry compressed air
1. Bypass valve.
2. Right tower.
3. Check valve.
4. Left tower.
5. Solenoid valve (PV)
6. Silencer
7. Injector
15ñåê 270ñåê 30ñåê
30ñåê 240ñåê 60ñåê
270ñåê
240ñåê
30ñåê
60ñåê
PV4
De lay A B C D
PV2
ADX20- ADX90
ADX125 -ADX 250
15 sec 270sec 30 sec
30 sec 240sec 60 sec
270 sec
240 sec
30 sec
60 sec
PV4
De lay A B C D
PV2
ADX20 - ADX90
ADX125 -ADX 250

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