ZEKS Eclipse
TM
90-5,000ZPB Desiccant Dryers
www.zeks.com
57
14.0 FLOW DIAGRAM
UNLESS OTHERWISE SPECIFIED,
ALL DIMENSIONS ARE IN INCHES,
TOLERANCES ARE:
PROPRIETARY NOTI
NOTICE: THIS DRAWING EMBODIES A C
PROPRIETARY DESIGN OWNED BY ZEK
AND DESIGN. MANUFACTURING THE SA
RESERVED TO ZEKS. THIS DRAWING IS
CONFIDENTIAL RELATIONSHIP FOR A S
THE RECIPIENT HEREOF BY ACCEPTIN
+
-
FRACTIONAL DECIMAL ANGULAR
+
-
+
-
+
-
X.XX
X.XXX
SOLENOID CONTROL VALVE
FOR REFERENCE
5 1 3
4 2
5 1 3
4 2
PNEUMATIC DIAGRAM
D
A
B
C
1
PI
1
PSV
1A
FV
PSV
2
PI
2
FV
2B
FV
1C
2C
FV
4
MI
1
FR
1
EXH
FX
1A
1B
FX
2A
FX
FX
2B
PT
1
PT
2
1
MIC
2
HCV
DR
2
INLET
AIR
AIR
OUTLET
3
FLT
FLT
2
HCV
5
5
HCV
5
HCV
1P
FV
PI
3
HCV
1
1
F0
F0
4
C
B
5
FV
5A
FV
3
DPI
2
DPI
P
P
4
HCV
3
HCV
DR
3
DR
1
2A
FV
FV
1B
2
EXH
EX EX
2
1
4
5
3
2
1
4
5
3
2
1
4
5
3
2
1
4
5
3
S
4D
FV
4C
FV
4B
FV
4A
FV
D
C
B
A
S
S
S
2P
FV
LEGEND
DRYING AIR FLOW
REGENERATING AIR FLOW
DRYER AIR PIPING
CONTROL AIR PIPING
OPTIONAL AIR PIPING
DPI-2
PREFILTER ELEMENT DIFF. PRESSURE INDICATOR (NOTE 4)
DPI-3
AFTERFILTER ELEMENT DIFF. PRESSURE INDICATOR (NOTE 4)
DR-1
CONTROL AIR FILTER REGULATOR DRAIN
DR-2
PREFILTER DRAIN (NOTE 4)
DR-3
AFTERFILTER DRAIN (NOTE 2 & 4)
EXH-1 LEFT TOWER PURGE MUFFLER
EXH-2 RIGHT TOWER PURGE MUFFLER
FLT-2
PREFILTER - HIGH EFFICIENCY (NOTE 4)
FLT-3
AFTERFILTER - DUST PARTICULATE (NOTE 4)
FR-1 CONTROL AIR FILTER WITH REGULATOR AND BUILT IN GAUGE
FO-1 PURGE ORIFICE
FO-4
REPRESSURIZATION ORIFICE (NOTE 3)
FV-1A LEFT TOWER INLET VALVE
FV-2A RIGHT TOWER INLET VALVE
FV-1B LEFT TOWER PURGE VALVE
FV-2B RIGHT TOWER PURGE VALVE
FV-1C LEFT TOWER OUTLET CHECK VALVE
FV-2C RIGHT TOWER OUTLET CHECK VALVE
FV-1P LEFT TOWER PURGE CHECK VALVE
FV-2P
RIGHT TOWER PURGE CHECK VALVE
FV-4A LEFT TOWER INLET SOLENOID CONTROL VALVE
FV-4B LEFT TOWER PURGE SOLENOID CONTROL VALVE
FV-4C RIGHT TOWER PURGE SOLENOID CONTROL VALVE
FV-4D RIGHT TOWER INLET SOLENOID CONTROL VALVE
FV-5
REPRESSURIZATION VALVE (NOTE 3)
FV-5A
REPRESSURIZATION SHUTTLE VALVE (NOTE 3)
FX-(XX) FLOW DISTRIBUTION SCREEN (4 PLACES)
HCV-1 PURGE FLOW METERING VALVE
HCV-2 CONTROL AIR SHUTOFF VALVE
HCV-3
DEWPOINT TRANSMITTER SHUTOFF VALVE (OPTIONAL)
HCV-4
DEWPOINT TRANSMITTER BLEED VALVE (OPTIONAL)
HCV-5
DRYER BYPASS VALVE (3 PLACES) (OPTIONAL)
MI-4 BLUE MOISTURE INDICATOR
MIC-1
DEWPOINT TRANSMITTER (MLC/DPD) (OPTIONAL)
PI-1 LEFT TOWER PRESSURE GAUGE
PI-2 RIGHT TOWER PRESSURE GAUGE
PI-3 PURGE PRESSURE GAUGE
PT-1
LEFT TOWER FTS PRESSURE TRANSDUCER (OPTIONAL)
PT-2
RIGHT TOWER FTS PRESSURE TRANSDUCER (OPTIONAL)
PSV-1 LEFT TOWER SAFETY RELIEF VALVE
PSV-2 RIGHT TOWER SAFETY RELIEF VALVE
NOTES:
1. SYMBOLS AND TAGS BASED ON ISA STANDARDS S5.1 - S5.5.
2. HIGH OPERATING PRESSURE UNITS WITH OPTIONAL FILTERS ARE FINISHED WITH A BALL
VALVE FOR DR-3.
3. FV-5, F0-4, AND FV-5A ARE STANDARD ON HIGH PRESSURE UNITS AND -80/-100F PDP UNITS.
4. OPTIONAL FILTER PACKAGE A SHOWN. INCLUDES FILTERS, DIFFERENTIAL PRESSURE
INDICATORS AND DRAINS.
Flow Diagram
90-600 ZPB NEMA 4
Drawing No.: 47604296
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