CONTROL VALVE ASSEMBLY
*1), *3), *6)
*4)
*4)
*1), *3), *6), *7)
*2), *3)
*8), *6)
*6)
*1), *3), *5)
*1) BY-PASS AND BLOCK VALVES SHALL BE INSTALLED FOR CONTROL VALVES AS PER PROCESS DESIGN
CRITERIA REQUIREMENTS (DOCUMENT 1CD1673A-8110-PD-0000-0001).
*2) MINIMUM CONTROL VALVE BODY SIZE SHALL NOT BE LESS THAN HALF OF UPSTREAM LINE SIZE IN CASE OF
LINE SIZE 2 INCH AND LARGER. A REDUCED TRIM SHALL BE CONSIDERED FOR CONTROL VALVE SMALLER THAN 2 INCH.
*3) VALVES AT CONTROL VALVE MANIFOLDS SHALL BE SIZED IN ACCORDANCE WITH THE FOLLOWING TABLE,
UNLESS OTHERWISE SHOWN ON THE PIPING AND INSTRUMENT DIAGRAMS.
CONTROL
VALVE SIZE
3/4”
1”
1”
1”
1.1/2”
1.1/2”
2”
2”
2.1/2”
3”
3”
4”
4”
5” (6” FLANGES)
6”
6”
8”
8”
10”
10”
12”
12”
LINE
SIZE
3/4”
1”
1.1/2”
2”,3”,4”
1.1/2”
2”,3”,4”
2”
3”,4”,6”
3”,4”,6”
3”
4”,6”,8”
4”
6”,8”
6”,8”,10”
6”
8”,10”
8”
10”,12”
10”
12”,14
12”
14”,16”
BLOCK
VALVE SIZE
BY-PASS
VALVE SIZE
3/4”
1”
1.1/2”
2”
1.1/2”
2”
2”
3”
3”
3”
4”
4”
6”
6”
6”
6”
8”
10”
10”
12”
12”
14”
3/4”
1”
1.1/2”
1.1/2”
1.1/2”
2”
2”
3”
3”
3”
4”
4”
6”
6”
6”
6”
8”
10”
10”
12”
12”
14”
*4)
WHEN REDUCERS ARE USED THE MAXIMUM REDUCTION SHALL NOT BE GREATER THAN TWO NOMINAL LINE SIZES PER REDUCER. TYPE OF REDUCER, TOP OF FLAT OR BTM OF FLAT SHALL BE SELECTED, CONSIDERING PIPING CONFIGURATION TO MINIMIZE LIQUID / VAPOR TRAP.
UNIT BATTERY LIMITS TYPICAL CONFIGURATION
*1)
PUMP DRAIN AND ISOLATION TYPICAL
*1)
GENERAL NOTES:
NOTES :
GENERAL
*1) THE METHODS OF ISOLATION FOR EQUIPMENT AND PLANTS ARE SHOWN ON SPECIFICATION 4439-VZ-SG- 000000003 (TCM IDENTIFICATION) “ISOLATION PHILOSOPHY”
1
PROCESS SERVICE
INCOMING STREAMS
OUTGOING STREAMS
PI
TI
FI
FI
PI
TI
*1)
.
I
N M
.
I
N M
.
I
N M
.
I
N M
BATTERY LIMIT
PROCESS UNIT
*4
*5
*2
*2 *6
PG
PT
TT
FT
FT
PT
PG
TT
PROCESS
UNIT
BATTERY LIMIT
*5
*4
*2
*2 *6
INSTRUMENTATION ON UTILITY LINES AT BATTERY LIMIT WILL BE AS FOLLOWS:
SERVICE
FI on DCS
TI LOCAL
PI LOCAL
TI on DCS
PI on DCS
HP STEAM
MP STEAM
LP STEAM
BOILER FEED WATER
DEMINERALIZED WATER
FUEL GAS
INERT GAS (Nitrogen) INSTRUMENT AIR
PLANT AIR
CONDENSATE OUT
COOLING WATER SUPPLY
COOLING WATER RETURN
1
INDUSTRIAL WATER
POTABLE WATER
X
X
X
*1
/
/
/
X
*1
/
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
/
/
/
/
/
/
/
/
/
/
/
X
X
X
/
/ X
/ X
/
/
/
/
/
/
*3)
2”
NOTES:
3/4”
*2)
- PIPING AND INSTRUMENT DIAGRAMS (P&ID) DO NOT SHOW HIGH POINT VENTS, LOW POINT DRAINS,
LOW POINT STEAM TRAPS, INSTRUMENT BLOCK VALVES, ETC. REQUIREMENT FOR THESE APPEAR IN THE JOB SPECIFICATION. ONLY PROCESS RELATED VENTS, DRAINS, ETC ARE SHOWN.
OWS
OWS
- UNLESS OTHERWISE INDICATED, DRAIN AND VENT VALVES SHALL BE MINIMUM SIZE ACCORDING TO PIPING SPEC.
-
ACTUAL VALVING TO BE DEFINED ACCORDING TO ISOLATION PHILOSOPHY.
-
WARM UP BYPASS: TO BE PROVIDED AS PER PROCESS REQUIREMENTS CASE BY CASE.
-
CASING VENT & DRAIN PRESENCE/CONFIGURATION/CONNECTIONS ARE TO BE IDENTIFIED AS PER PROCESS REQUIREMENT CASE BY CASE.
-
FLUSHING OIL CONNECTION IS TO BE IDENTIFIED AS PER PROCESS REQUIREMENT CASE BY CASE.
1
*1) BASKET TYPE STRAINER VERSUS “Y” TYPE STRAINER HAS TO BE IDENTIFIED AS PER PIPING SIZE/SPEC. *2) TO PROPER CLOSED DRAIN AND/OR FLARE. *3) DRIP PAN.
VESSEL DRAINS TYPICAL
- CAP/BLIND FLANGES FOR VENTS/DRAINS VALVES TO BE DEFINED AND REPRESENTED ON P&ID TO CLIENT’S
REQUIREMENTS AND APPLICABLE PIPING SPECIFICATION.
HOLDS:
MIN.
3/4”
.
I
N M
*5)
GLOBE VALVE FOR 6” AND SMALLER VALVE SIZE, GATE VALVE FOR 8” AND LARGE VALVE SIZE.
*1) FI SHALL BE PROVIDED IN CASE OF CONTINUOUS FLOW
*6)
*7)
*8)
FOR HIGH PRESSURE SERVICES (LIMIT FOR HIGH PRESSURE TO BE DEFINED DURING DETAILED ENGINEERING PHASE), THE BY-PASS VALVE SHALL BE DOUBLE VALVES.
DOUBLE BLOCK VALVE AND/OR BLEED TO BE PROVIDED ACCORDINGLY TO ISOLATION REQUIREMENTS AS PER TABLE 4-1 OF DOCUMENT 4439-VZ-SG- 000000003 (TCM IDENTIFICATION).
WHERE PIPING IS EXPANDED AFTER CONTROL VALVE ASSEMBLY (e.g. FLASHING CONDITION), THE BLOCK VALVE
DOWNSTREAM OF THE CONTROL VALVE SHALL BE EQUAL TO OR ONE SIZE SMALLER THAN THE EXPANDED DOWNSTREAM PIPING.
CONNECTION OF BLEED VALVE UPSTREAM CONTROL VALVE TO BE STUDIED DURING DETAIL ENGINEERING PHASE:
- FOR HYDROCARBON AND HAZARDOUS LIQUIDS: CONNECTION TO CLOSED DRAIN SYSTEM REQUIRED BY PERMANENT PIPE PREFERABLY OR BY FLEXIBLE HOSE, DEPENDING ON ARRANGEMENT POSSIBILITIES;
- FOR HYDROCARBON AND HAZARDOUS GASES OR FLASHING LIQUIDS (LPG): CONNECTION TO FLARE REQUIRED BY PERMANENT PIPE;
- FOR NON HAZARDOUS LIQUIDS AND GASES: NO CONNECTION REQUIRED.
*2) DRAIN VALVE SIZE DEPENDS ON PROCESS LINE SIZE. NORMALLY IT IS 3/4”, BUT MAY BE UP TO 2”.
*3) VALVE TO BE INSTALLED WITH THE STEM DOWNWARD OR AT MAXIMUM.
1
*4) DOUBLE BLOCK VALVE TO BE PROVIDED ACCORDING TO ISOLATION REQUIREMENTS IN TABLE 4-1 OF 4439-VZ-SG- 000000003 (TCM IDENTIFICATION)
*5) IN CASE OF BIDIRECTIONAL FLOW, WARM UP BY-PASS TO BE PROVIDED AROUND GATE VALVE ONLY AND CHECK VALVE TO BE DELETED.
NOTES :
TO PUMP
*2)
OWS
*1)
*6) TO BE INSTALLED IF REQUIRED.
1
*1) THE DRAINS OF VESSELS IN LPG SERVICE SHALL BE ROUTED TO FLARE HEADER AND OPEN SEWER.
*2) TO PROPER CLOSED DRAIN AND/OR FLARE.
1
WATER-COOLED EXCHANGER TYPICAL
EQUIPMENT LIST
STEAM TRAP TYPICAL
STEAM OUT CONNECTION TYPICAL
*1)
STEAM LINE
STEAM LINE
TYPICAL “A” : VESSEL STEAM-OUT CONNECTIONS
APPLICABLE FOR :
- ALL MAIN PRESSURE VESSEL
3/4”
*2)
*1)
*2)
*1)
3/4”
M A E T S
S S A L C G N P P
I
I
LOW PERESSURE STEAM
TYPICAL “B” : VESSEL STEAM-OUT CONNECTIONS
COOLING WATER RETURN
2”-xxx
(xx°C-xx)
COOLING WATER SUPPLY
FB LO
TG
MIN.
GRADE/FLARE
3/4”-CWR- (xx°C-xx)
*1) *4)
*3)
*2)
MIN.
*1)
*3)
1
0
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
APPLICABLE FOR ALL CASES NOT COVERED BY TYPICAL TYPE “A”
NOTES :
(FILTERS, INJECTION PACKAGES, ETC.)
*1) VALVE TYPE TO BE DEFINED ACCORDING TO PIPE SIZE VERSUS PIPING SPEC.
*2) DURING DETAILED DESIGN NEED TO EVALUATE THE NEED OF INSTALLING BY PASS LINE ON CW LINES.
1
*3) CONNECTION FOR CHEMICAL CLEANING WHERE REQUIRED.
*4) GLOBE VALVE FOR 6” AND SMALLER VALVE SIZE, GATE VALVE FOR 8” AND LARGE VALVE SIZE.
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
M A E T S
E T A S N E D N O C
S S A L C G N P P
I
I
S S A L C G N P P
I
I
CONDENSATE LINE
OWS
OR GRADE
ALL TRAPS SHALL BE PROVIDED WITH STRAINERS; INTEGRAL STRAINERS ARE PREFERRED.
BYPASS OF STEAM TRAP SHALL BE SAME SIZE OF STEAM TRAP SIZE.
TYPICAL “C” : PIPING STEAM-OUT CONNECTIONS
*1)
*2)
PID REPRESENTATION
T
OWS
LOW PERESSURE CONDENSATE
T
OR MEDIUM PERESSURE CONDENSATE
SIZE IS : 2” FOR PIPING ND ≤ 12”, 3” FOR PIPING ND > 12”
PERMANENT STEAM-OUT CONNECTIONS WILL NOT BE PROVIDED FOR ANY PIPE SYSTEM IN
THE PROJECT, EXCEPT WHERE THE STEAM CONNECTION IS IDENTIFIED FOR PROCESS SAFETY REASONS, OR THE PIPING SYSTEM REQUIRES FREQUENT STEAMING FOR MAINTENANCE.
*1) FOR ADDITIONAL DETAILS AND NOZZLE SIZE REFER TO 4439-VZ-SG-000000001
1
Realisation en EPC d'installations de production de
LINEAR-ALKYL-BENZENE <
UTILITY PURGING / FLUSHING APPLICATIONS TYPICAL
GENERAL SERVICE
(FOR UTILITY CONNECTIONS USED DURING NORMAL OPERATION,
SHUTDOWN OR START-UP)
UTILITY HEADER
PIP.SPEC.
PROCESS LINE PIP.SPEC.
PIPING & INSTRUMENTATION DIAGRAM GENERAL NOTES, SYMBOL AND LEGEND PIPING SYMBOLS 7
MIN.
PROCESS LINE
4439-VZ-DM-0000-0007
A1
Echelle :
1/1
1 of 1
Rev :
1
11/Oct/2024
Project: Q-32976 - Tecnmont SKIKDA Folder: Reference Documents