D
A
B
C
1
PI
1
PSV
1A
FV
PSV
2
PI
2
FV
2B
FV
1C
2C
FV
4
MI
1
FLT
1
EXH
FX
1A
1B
FX
2A
FX
FX
2B
PS
1
PS
2
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
DR
3
DR
1
2A
FV
FV
1B
2
EXH
4B
FV
2P
FV
UNLESS OTHERWISE SPECIFIED,
ALL DIMENSIONS ARE IN INCHES,
TOLERANCES ARE:
PROPRIE
T
NOTICE: THIS DRAWING EMB
O
PROPRIETARY DESIGN OWNE
AND DESIGN. MANUFACTURI
N
RESERVED TO ZEKS. THIS DR
A
CONFIDENTIAL RELATIONSHI
P
THE RECIPIENT HEREOF BY A
CUSTODY THEREOF AND AG
R
+ -
FRACTIONAL
DECIMAL
ANGULAR
+ -
+ -
+ -
X.XX
X.XXX
E
F
A
B
C
D
4C
FV
4D
FV
4A
FV
F
E
4E
FV
OPTIONAL MOISTURE LOAD CONTROL SAMPLING VALVE
2
MIC
P
6
HCV
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 DRAIN
DR-2
PREFILTER DRAIN (NOTE 4)
DR-3
AFTERFILTER DRAIN (NOTE 2) (NOTE 4)
EXH-1
LEFT TOWER PURGE MUFFLER
EXH-2
RIGHT TOWER PURGE MUFFLER
FLT-1
C
ONTROL AIR FILTER
FLT-2
PREFILTER - HIGH EFFICIENCY (NOTE 4)
FLT-3
AFTERFILTER - DUST PARTICULATE (NOTE 4)
FO-1
PURGE ORIFICE
FO-4
REPRESSURIZATION ORIFICE (NOTE 3)
FV-1A
LEFT TOWER INLET VALVE
FV-2A
R
IGHT TOWER INLET VALVE
FV-1B
LEFT TOWER PURGE VALVE
FV-2B
R
IGHT TOWER PURGE VALVE
FV-1C
LEFT TOWER OUTLET CHECK VALVE
FV-2C
R
IGHT 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
R
IGHT TOWER PURGE SOLENOID CONTROL VALVE
FV-4D
R
IGHT TOWER INLET SOLENOID CONTROL VALVE
FV-4E
MOISTURE LOAD CONTROL SHUTTLE VALVE (OPTIONAL)
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-5
DRYER BYPASS VALVE (3 PLACES) (OPTIONAL)
HCV-6
MLC SAMPLE BLEED VALVE (OPTIONAL)
MI-4
BLUE MOISTURE INDICATOR
MIC-2
SOLID STATE MOISTURE LOAD CONTROLLER (MLC BOARD) (OPT.)
PI-1
LEFT TOWER PRESSURE GAUGE
PI-2
RIGHT TOWER PRESSURE GAUGE
PI-3
PURGE PRESSURE GAUGE
PS-1
LEFT TOWER FTS PRESSURE SWITCH (OPTIONAL)
PS-2
RIGHT TOWER FTS PRESSURE SWITCH (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
1
Drawing No.: 47604297
ZEKS Eclipse
TM
90-5,000ZPB Desiccant Dryers
www.zeks.com
56
14.0 FLOW DIAGRAM