1. Basic Knowledge
of Process and
Instrument Diagram (P&ID)
āļāļ§āļēāļĄāļĢāļđāđāđāļāļ·āđāļāļāļāđāļāđāļĢāļ·āđāļāļāđāļāļāļ āļēāļ
āđāļĨāļ°āļāļļāļāļāļĢāļāđāļāđāļēāļāđāđāļāļāļĢāļ°āļāļ§āļāļāļēāļĢāļāļĨāļīāļ
6. āļŠāļąāļāļĨāļąāļāļĐāļāđāļĢāļ°āļāļāđāļāļĢāļ·āđāļāļāļĄāļ·āļāļ§āļąāļāđāļĨāļ°āļāļ§āļāļāļļāļĄ
*āļĄāļēāļāļĢāļāļēāļ ISA-S5.1 ISA-5.1-1984 (R1992)
Establishes a uniform means of designating instruments and
instrumentation systems used for measurement and control.
The different needs of various organizations are recognized
(where not inconsistent with the objectives of the standard) by providing
alternative symbolism methods.
A number of options are provided for adding information or
simplifying the symbolism, if desired. Includes additional information on
symbolism for function blocks, function designations, computer functions,
and programmable logic control.
7. āļāļąāļ§āļāļąāļāļĐāļĢāļŦāļāđāļēāļāļĩāđāļāļēāļĢāļāļēāļāļēāļ (Identification letters)
āļŦāļāđāļēāļāļĩāđāļāļēāļĢāļāļēāļāļēāļ (Instrument function) āđāļāđāļ
FIC ( Flow Indicator Controller )
PDAHH (Pressure Differential Alarm High High )
TAH (Temperature Alarm High )
FT (Flow Transmitter )
LT ( Level Transmitter )
āļĨāļēāļāļąāļāļŦāļĄāļēāļĒāđāļĨāļāļāļļāļāļāļĢāļāđ (Sequence number) āđāļāđāļ
Distributed Control system : DCS āđāļĢāļīāđāļĄāļāļēāļ 1001 āļāļķāļ 2999
Safety Instrumented System : SIS āđāļĢāļīāđāļĄāļāļēāļ 3001 āļāļķāļ 4999
Fire & Gas System : FGS āđāļĢāļīāđāļĄāļāļēāļ 5001 āļāļķāļ 6999
āļĨāļēāļāļąāļāļĒāđāļāļĒ (Suffix) āđāļāđāļ
āļāļąāđāļĄ 2 āļāļąāļ§ āļāļ·āļ P- 101A āđāļĨāļ° P-101B
Pressure Gauge āļāđāļēāļāļāļēāļāļāļāļāļāļāļāļąāđāļĄāļāļąāđāļāļŠāļāļ āļāļ·āļ PG-101A āđāļĨāļ° PG-101B
10. āļŠāļąāļāļĨāļąāļāļĐāļāđāđāļŠāđāļ ( Line Symbol )
āļŠāđāļ§āļāđāļāļ·āđāļāļāđāļāļāļąāļāļāļĢāļ°āļāļ§āļāļāļēāļĢāļāļĨāļīāļ(Process Connection Line)
āļŠāļąāļāļāļēāļāļĨāļĄ (Pneumatic Signal)
āļŠāļąāļāļāļēāļāđāļāļāđ āļē (Electrical hard wired Signal)
āļŠāļąāļāļāļēāļāđāļŪāđāļāļĢāļĨāļīāļ (Hydraulic Signal)
Capillary Tube
āļŠāļąāļāļāļēāļāđāļāļāđ āļēāļāļēāļāđāļāļĢāđāļāļĢāļĄ (Software Link Signal)
11. āļŠāļąāļāļĨāļąāļāļĐāļāđ Primary Element ( Primary Element symbol )
Orifice Plate
Vortex
Rota meter
Magnetic
Coriolis
Positive Displacement
Turbine
Venturi
Ultrasonic
Pilot tube
13. āļāļāļīāļāļāļāļāđāļŦāļĨ (Type of fluid)
BFW Boiler Feed Water IA Instrument
Air
CWS Cooling Water Supply ME Methanol
CWR Cooling Water Return N Nitrogen
FG Fuel Gas PA Plant Air
FO Fuel oil WO Wash Oil
FW Fire Water WW Waste Water
15. Pressure Relief
Valve
Control Valve
â Single Port
Control Valve
â Double Port
āļŠāļąāļāļĨāļąāļāļĐāļāđāļ§āļēāļĨāđāļ§āļāļ§āļāļāļļāļĄ (Valve Type â 2)
16. Butterfly Valve Ball Valve
āļŠāļąāļāļĨāļąāļāļĐāļāđāļ§āļēāļĨāđāļ§āļāļ§āļāļāļļāļĄ (Valve Type â 3)
17. āļŠāļąāļāļĨāļąāļāļĐāļāđāļ§āļēāļĨāđāļ§āļāļ§āļāļāļļāļĄ ( Control Valve Symbol )
āļāļēāđāļŦāļāđāļāļāļāļāļ§āļēāļĨāđāļ§āļāļ§āļāļāļļāļĄāđāļĄāļ·āđāļāđāļāļīāļāļāļ§āļēāļĄāļāļīāļāļāļĨāļēāļ āļĄāļĩ 3 āđāļāļ āļāļ·āļ
1. FO (Failure Open)
2. FC (Failure Close)
3. FL (Failure Lock)
18. āļŠāļąāļāļĨāļąāļāļĐāļāđāļ§āļēāļĨāđāļ§āļāļ§āļāļāļļāļĄ ( Control Valve Symbol )
GATE VALVE
CHECK VALVE
GLOBE VALVE
BALL VALVE
PLUG VALVE
ANGLE VALVE
RELIEF VALVE
3 WAYS VALVE
MANUAL VALVE
DIAPHRAGM
DIAPHRAGMWITHHANDWHEEL
CYLINDER / PISTON
MOTOR OPERATED
SOLENOID VALVE
SOLENOID VALVE WITH
MANUAL RESET
28. CLASS SUBJECT DESCRIPTION
F Furnaces Fired Heaters, Furnaces, Boilers, Kilns
P Pumps Horizontal and Vertical Centrifugal,
Position Displacement, Vertical Canned,
Screw, Gear, Sump
R Reactors
T Tower/Columns
TK Tanks API atmospheric and low pressure
U Miscellaneous
Equipment
Filters, Bins, Silos
V Drums Separators, Driers, Accumulators
āļāļĢāļ°āļāļ§āļāļāļēāļĢāļāļĨāļīāļāđāļāđāļĄāļĩāļāļēāļĢāđāļāđāļāđāļĒāļāļŦāļĄāļ§āļāļŦāļĄāļđāđāļāļąāļāļĐāļĢ
āđāļāļāļēāļĢāļāļēāļŦāļāļāļāļ·āđāļāđāļŦāđāļāļąāļāļāļļāļāļāļĢāļāđāđāļŦāļĨāđāļēāļāļąāđāļ
59. Location Map of Gas Separation Plant
04 January
2003
Admin Building
Control Room
and Workshop
Utility Area
Pipeline Facility
Storage and Loading
Facilities
GSP-1 GSP-2 (Future)
Pipeline Facility
Utility Area
Utility Area