Pneumatech PH Series - Page 13

Pub. No. OM-A-10H REV. 7 — June 2006 11
FIGURE 3 — PH & EH SERIES FLOW DIAGRAM
FLOW
DRYING
S
EX
21
9
8
OPEN
S
SS
EX
19
INLET
AIR
5
2
CLOSED
EX
20
6
2
OPEN
5
CLOSED
9
FLOW
REGEN
7
11
9
1
4
OPEN
12
13
10
CLOSED
3
14
15
4
CLOSED
1
ES
ESESESES
CLOSED
S
3
OPEN
10
AIR OUTLET
16
17
18
22
8
9
9
9
11
7
PILOT AIR LINE
EX (SLIGHT BLEED)
6
TYPICAL PH SERIES
FLOW DIAGRAM
1. PRESSURE VESSEL
2. AIR INLET VALVE
3. AIR OUTLET CHECK VALVE
4. PURGE FLOW CHECK VALVE
5. PURGE VALVE
6. MUFFLER
7. DESICCANT FILL PORT
8. DESICCANT DRAIN PORT
9. DESICCANT SCREEN
10. PRESSURE RELIEF VALVE
11. PRESSURE GAUGE
12. PURGE ORIFICE ASSEMBLY
13. PURGE ADJUSTMENT PRESSURE GAUGE
14. PURGE ADJUSTING VALVE
15. REPRESSURIZING VALVE W/SOLENOID
16. PILOT AIR SHUT-OFF VALVE
17. PILOT AIR FILTER
18. MOISTURE INDICATOR (OPTIONAL)
19. 4 WAY LEFT TOWER SWITCHING SOLENOID
20. 4 WAY RIGHT TOWER SWITCHING SOLENOID
21. 4 WAY LEFT TOWER PURGE SOLENOID
22. 4 WAY RIGHT TOWER PURGE SOLENOID
NOTES: 1. THIS PROCESS & INSTRUMENT DRAWING IS NOT AN ISOMETRIC DRAWING,
THE RELATIVE POSITION OF VARIOUS EQUIPMENT IS PURELY SCHEMATIC.
2. VALVE POSITION SHOWN IN THIS DRAWING IS WITH THE RIGHT TOWER
DRYING & THE LEFT TOWER REGENERATING.
3. REPRESSURIZING VALVE LOCATED ON PH-400 AND LARGER AIR DRYERS.
EX - EXHAUST
ES - ELECTRICAL SIGNAL