I
T N E S N O C N E T T R W R O R P T U O H T W
I
I
,
E S O P R U P Y N A R O F S R E H T O Y B D E S U E B T O N N A C D N A Y T R E P O R P S T N O M N C E T S
I
’
I
T N E M U C O D S H T
I
DETAIL “D”
TYPICAL DETAIL OF PRESSURIZED DUAL (DOUBLE) MECHANICAL SEAL FLUSHING TO PUMPS
L
FI
FT
FG
B1A1
5 °C
PG
3/4” FLUSH FROM PUMPS
FIF MUST BE READABLE FROM VALVE
INBOARD SEAL
PUMP SHAFT
OUTBOARD SEAL
TO SEAL CHAMBER
B1A1
5 °C
3/4” FLUSH TO PUMPS: (EACH SEAL SHALL HAVE ITS OWN INDEPENDENTLY CONTROLLED FLUSH SUPPLY)
DETAIL “DM” PRESSURIZED DUAL (DOUBLE MECHANICAL) SEAL FLUSH SYSTEM
(FURNISHED BY PUMP SUPPLIER)
1” SILICONE
NITROGEN
3/4”
3/4”
SEAL POT
PI
LI
L
L
FREE DRAINING
2
I
I
G N N A R D E E R F
PUMP SEAL SYSTEM DETAILS
DETAIL “DC”
DUAL (DOUBLE) SEAL FLUSHING SYSTEM
ID PIPING SHALL BE OF THE SAME
METALLURGY TYPE AND CLASS AS SHOWN AT THE PUMP.
DETAIL “DD”
DRY NON-CONTACTING PRESSURIZED DUAL (TANDEM) SEAL FLUSHING SYSTEM
VALVES AND PIPING SHALL BE OF THE SAME
METALLURGY TYPE AND CLASS AS SHOWN AT THE PUMP
GENERAL NOTES:
3/4” WATER (MIN)
MS-1
5 °C
NITROGEN
1
7
7
1
7
FT
FI
FG
H
L
1
DRY GAS SEAL CONTROL PANEL
FI
PI
H
L
C ° 5
3/4”
3/4”
OWS
DETAIL “FA”
PRESSURIZED DUAL SEAL FLUSHING SYSTEM (FURNISHED BY PUMP SUPPLIER)
(PIPE CLASSES BY CONTRACTOR)
DETAIL “FB”
PRESSURIZED DUAL SEAL FLUSHING SYSTEM (FURNISHED BY PUMP SUPPLIER)
3..
NOTES:
VENT FROM OTHER SEAL POT(S) (AS REQUIRED).
DRAIN FROM OTHER SEAL POT (AS REQUIRED).
THERE ARE FIVE CLOSED DRAIN SYSTEM (CD) FOR STREAMS COMING FROM UNIT 100/200/300 (CDA) FOR STREAMS COMING FROM UNIT 400/500/600 (CDB) FOR STREAMS COMING FROM BENZENE STORAGE (CDD) FOR STREAMS COMING FROM UNIT 700 (CDF) FOR STREAMS COMING FROM FLARE UNIT SELECTION OF CRITERIA FOR REQUIREMENT FOR CLOSED DRAIN IS AS PER UOP CRITERIA AND ALSO FOR STREAMS CONTAINING >12.5% OR MORE C7 THRU C9 AROMATICS THEY ALSO NEED TO GO TO A CLOSED DRAIN SYSTEM.
-
MAKE CONNECTION ON TOP OF PIPE.
FURNISHED WITH PUMP.
-
PROVIDE WHEN MAKEUP BARRIER FLUID IS HARD-PIPED.
PROVIDE FOR EACH SEAL (FURNISHED WITH PUMP).
NITROGEN
PG
PG
PRESSURE REGULATOR
5
SEAL POT
PI
LI
L
L
1
1 1/2” MAKEUP BARRIER FLUID
6
6
1
3/4”
1
6
5
SEAL POT
LI
L
HOLDS:
COOLING WATER RETURN
COOLING WATER SUPPLY
EQUIPMENT LIST
3
COOLING WATER RETURN
COOLING WATER SUPPLY
DETAIL “E”
EXTERNAL PRESSURIZED BARRIER FLUID SEAL LUBRICATION SYSTEM FOR API PLAN 54 (FURNISHED BY PUMP SUPPLIER)
PRESSURIZED SEAL LUBRICATION SYSTEM SKID (ONE REQUIRED FOR EACH PUMP)
TI
LI
PI
H
H
L
L
COOLING WATER RETURN
COOLING WATER SUPPLY
1
0
11/Oct/2024
IFH–Issued for HAZOP
25/Jun/2024
IFA-Issued for Approval
K.Jeetu
K.Jeetu
A.Lo Verso/G.Acerbi/ E.Magadeev/ H.Aljarrah
A.Lo Verso/G.Acerbi/ E.Magadeev/ H.Aljarrah
A.Lo Verso
A.Lo Verso
Realisation en EPC d'installations de production de
LINEAR-ALKYL-BENZENE <
PIPING & INSTRUMENTATION DIAGRAM GENERAL NOTES, SYMBOL AND LEGEND PIPING SYMBOLS 12
4439-VZ-DM-0000-0012
A1
Echelle :
1/1
1 of 1
Rev :
1
Project: Q-32976 - Tecnmont SKIKDA Folder: Reference Documents