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PETRONAS TECHNICAL STANDARDS



Symbols and Identification System - Mechanical



PTS 12.00.02 June 2017



© 2017 PETROLIAM NASIONAL BERHAD (PETRONAS) All rights reserved. No part of this document may be reproduced, stored in a retrieval system or transmitted in any form or by any means (electronic, mechanical, photocopying, recording or otherwise) without the permission of the copyright owner. PETRONAS Technical Standards are Company’s internal standards and meant for authorized users only.



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FOREWORD PETRONAS Technical Standards (PTS) has been developed based on the accumulated knowledge, experience and best practices of the PETRONAS group supplementing National and International standards where appropriate. The key objective of PTS is to ensure standard technical practice across the PETRONAS group. Compliance to PTS is compulsory for PETRONAS-operated facilities and Joint Ventures (JVs) where PETRONAS has more than fifty percent (50%) shareholding and/or operational control, and includes all phases of work activities. Contractors/manufacturers/suppliers who use PTS are solely responsible in ensuring the quality of work, goods and services meet the required design and engineering standards. In the case where specific requirements are not covered in the PTS, it is the responsibility of the Contractors/manufacturers/suppliers to propose other proven or internationally established standards or practices of the same level of quality and integrity as reflected in the PTS. In issuing and making the PTS available, PETRONAS is not making any warranty on the accuracy or completeness of the information contained in PTS. The Contractors/manufacturers/suppliers shall ensure accuracy and completeness of the PTS used for the intended design and engineering requirement and shall inform the Owner for any conflicting requirement with other international codes and technical standards before start of any work. PETRONAS is the sole copyright holder of PTS. No part of this document may be reproduced, stored in a retrieval system or transmitted in any form or by any means (electronic, mechanical, recording or otherwise) or be disclosed by users to any company or person whomsoever, without the prior written consent of PETRONAS. The PTS shall be used exclusively for the authorised purpose. The users shall arrange for PTS to be kept in safe custody and shall ensure its secrecy is maintained and provide satisfactory information to PETRONAS that this requirement is met.



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Table of Contents 1.0



INTRODUCTION .................................................................................................... 4 1.1



SCOPE ............................................................................................................................. 4



1.2



GLOSSARY OF TERMS ..................................................................................................... 4



1.3



SUMMARY OF CHANGES ................................................................................................ 5



2.0



GENERAL DESIGN REQUIREMENT .......................................................................... 6



3.0



IDENTIFICATION OF EQUIPMENT ........................................................................... 7



4.0



3.1



GENERAL ......................................................................................................................... 7



3.2



EQUIPMENT FUNCTION CODE “A” .................................................................................. 7



3.3



PROCESS UNIT NUMBER “XXX” ....................................................................................... 7



3.4



SEQUENCE NUMBER “YY” .............................................................................................. 7



3.5



IDENTICAL EQUIPMENT CODE “Z” ................................................................................. 7



3.6



EXAMPLES OF EQUIPMENT NUMBER ............................................................................ 8



3.7



EXAMPLES OF LETTER CODES OF TABLE 3.2 ................................................................ 10



3.8



EQUIPMENT NUMBERING OF PARALLEL TRAINS ......................................................... 10



3.9



EQUIPMENT NUMBERING OF PACKAGE UNIT ............................................................. 11



IDENTIFICATION OF PIPING ................................................................................. 12 4.1



GENERAL ...................................................................................................................... 12



4.2



LINE NUMBERING ......................................................................................................... 12



4.3



INSULATION CODES ...................................................................................................... 14



4.4



EXAMPLE OF LINE NUMBERS ....................................................................................... 16



5.0



VALVE IDENTIFICATIONS ..................................................................................... 17



6.0



ENGINEERING DRAWING NUMBER ..................................................................... 18



7.0



PIPING SPECIAL ITEMS ........................................................................................ 19



8.0



BIBLIOGRAPHY ................................................................................................... 20



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1.0



INTRODUCTION This PETRONAS Technical Standards (PTS) provides the minimum technical requirements for Mechanical symbols and identifiers used in Process Flow Diagram (PFD, Piping and Instrumentation Diagram (P&ID), Process Safeguarding Flow Diagram (PSFD) & Material Selection Diagram (MSD) for identification of equipment and piping. The purpose for this PTS is to synchronize the symbols and abbreviation used in general documents used in PETRONAS projects.



1.1



SCOPE



1.1.1



This PTS specifies the requirements and gives recommendation for: i.



Graphical representation using symbols of equipment and piping in PFD, P&ID, PSFD & MSD.



ii.



Numbering system to identify equipment and piping in PFD, P&ID, PSFD & MSD and other related documents.



iii.



Piping identification system which comprises of line number identification, insulation coding, and piping special items.



iv.



This PTS applies to all new projects.



1.2



GLOSSARY OF TERMS



1.2.1



General Definition of Terms & Abbreviations Refer to PTS Requirements, General Definition of Terms, Abbreviations & Reading Guide PTS 00.01.03 for General Definition of Terms & Abbreviations.



1.2.2



Specific Definition of Terms



No



Term



1



Very



Definition Toxic



(substances)



Substances that are very hazardous for the environment or human health, as specified in PTS 16.50.01 (which also identifies "toxic" Substances by reference to chemical substances databases). Table 1.1: Specific Definition of Terms



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1.2.3



1.3



Specific Abbreviations



No



Abbreviation



Description



1



PFD



Process Flow Diagram



2



P&ID



Piping & Instrumentation Diagram



3



PSFD



Process Safeguarding Flow Diagram



4



MSD



Material Selection Diagram Table 1.2: Specific Abbreviations



SUMMARY OF CHANGES This PTS 12.00.02 (June 2017) replaces PTS 12.00.02 (August 2014)



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2.0



GENERAL DESIGN REQUIREMENT Symbols used in PFD, P&ID, PSFD & MSD shall be in accordance with the following table for respective disciplines:



Type of Symbols



Standard Drawing



Mechanical symbols



D16.92.013 to D16.92.024



Instrument symbols, identification D14.92.012 to D14.92.016 and valve actuating methods Electrical symbol addition to IEC D13.92.001 60617 Table 2.1: Reference for symbol drawings If required, these symbols may also be used in other document. The symbols can be copied in electronic form from Standard Drawing D16.92.013 to D16.92.024 For symbols not found in this PTS, a simple outline should be drawn, together with a short description of its function. Complicated equipment hook-ups can also be represented by a rectangle (dot-and-dash line) and it should be drawn with a reference to a separate scheme. Certain basic symbols are only in use for PFD while other symbols can be applied in all other documents mentioned above. For symbols that are not adequate to indicate the type or function of an equipment, additional notes should be added next to the symbol For mechanical symbols that are not available in Standard Drawing D16.92.013 to D16.92.024, the Owner shall be consulted For solid handling and preparation plants, the symbols in ISO 561 shall be referred and used.



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3.0



IDENTIFICATION OF EQUIPMENT



3.1



GENERAL All equipment shall be identified by a tag number of the following format: AA-XXXYYZ, in which: No



Number



Description



1



“AA”



Consists of one or two-letter code that identifies the equipment functions. Table 4 and para (3.2) to be referred.



2



“XXX”



Consists of one, two or three-letter code that identifies the process unit. Para (3.3) to be referred.



3



“YY”



4



“Z”



NOTE:



3.2



Consists of two-digit sequence number; para (3.4) to be referred Consists only one-letter code to denote identity of equipment items used for the same purpose. Para (3.5) to be referred Table 3.1: Sequence Numbers



Refer to (3.8) for the equipment numbering of parallel trains.



EQUIPMENT FUNCTION CODE “AA” The following are the arrangement shall be used for equipment function codes: i.



Equipment type shall be indicated by the first letters, as per column 1 of Table 3.2;



ii. Second letter, is optional, and shall indicate the supporting function as per column 2 of Table 3.2. 3.3



PROCESS UNIT NUMBER “XXX” Examples: for unit for unit for unit



3.4



200, X is 2 8800, XX is 88 56700, XXX is 567



SEQUENCE NUMBER “YY” A consecutively running sequence numbers shall be assigned from 01 for each group of equipment in accordance with Table 3.2, with the exception of a required flexibility for the addition of future equipment within the same sequence.



3.5



IDENTICAL EQUIPMENT CODE “Z” To denote identical equipment items used for the same purpose, the following code letters shall be: "A", "B", "C", "D", etc. For common spare equipment, the letter "S" is to be used.



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3.6



EXAMPLES OF EQUIPMENT NUMBERS Example 1: K-16411A K-16411B K-16420S in which K = equipment function letter code of a compressor 164 = process unit 16400 11 = equipment sequence number of compressor in the same unit A and B = are the letters indicating two identical compressors (either working in parallel or in series or compressor with single spare) S = common spare (e.g. for K-16420 and K-16421) Example 2: GT-207A GT -207B GT -208S in which: P 2 7 A and B S



= equipment function code for turbine of generator = process unit 200 = equipment sequence number of pump in the same unit = letters for two identical pumps (working either in parallel or in series or equipment with single spare) = common spare (e.g. for P-208 and P-209)



Example 3: E-6006A E-6006B in which: E = equipment function code of a heat exchanger 60 = process unit 6000 6 = equipment sequence number of pump in the same unit A and B = letters for two identical heat exchangers (working either in parallel or in series)



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Letter



Column 1 (Equipment Type)



A



Packaged units and miscellaneous equipment, e.g. Aerial, Air Motor extruders, crushers, cutters, kneaders, crystallisers, pelletisers



B



Buildings, rooms, enclosures, containers



C



Columns : o tray columns o packed columns o rotating disc contactors



D Drying equipment



Column 2 (Supporting Function)



Chamber



Diesel damper



engine,



E



Unfired heat transfer equipment: o heat exchangers o condensers o air-cooled heat exchangers o reboilers



F



Fired equipment, furnaces, heaters, steam boilers, flare Fan stack



G



Generator



Gearbox



H



Heaters; electrical



Hydraulic motor



I



See note 2



J



Jets (ejectors, injectors and eductors)



K



Compressors, blowers, fans, turboexpanders



L



Pig launchers



M



Mixers, stirrers, mixing nozzles, blenders, desuperheaters, agitators, piping manifolds



N



Not assigned



O



See note 2



P



Pumps (centrifugal, reciprocating, rotary)



steam, Electric motor Natural gas engine



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Letter



Column 1 (Equipment Type)



Q



Not assigned



R



Reactors, Pig Receivers



S



Gravity and mechanical separators, e.g. thickeners, Shell , Fan silencer cyclones, expellers, centrifuges, filters, dust collectors, sieves, hydrocyclones



T



Atmospheric storage tanks, interceptors, neutralizing pits



U



Not assigned



V



Vessels, incl. pressure storage vessels, silos and hoppers



W



Weighing equipment, wellheads



X



Stationary transport equipment, equipment, cranes, hoists



Y



Not assigned



Z



Bulk loading arms, Offloading buoys



NOTES: 1. 2.



Column 2 (Supporting Function)



material



Turbine (steam gas), tube



or



handling



For equipment that requires two or more letters, the most important function of the equipment shall prevail. For example, a jet is used for mixing purposes, M is preferred to J. The letters I and O should be avoided as it might be confused with the numbers 1 and 0.



Table 3.2: Equipment function codes 3.7



EXAMPLES OF THE LETTER CODES OF TABLE 3.2 EG GT KT GD KG PM EM



3.8



Gearbox of heat transfer equipment Turbine of generator Turbine of compressor Diesel engine of generator Gearbox of compressor Electric motor of pump Electric motor of air-cooled heat exchanger



EQUIPMENT NUMBERING OF PARALLEL TRAINS An identical equipment found in an identical parallel trains shall have identical equipment numbers with specific train identifier. The number of the train is indicated after the equipment function code:



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Example: E1-2306 for train 1 and E2-2306 for train 2. 3.9



EQUIPMENT NUMBERING OF PACKAGE UNITS Numbers for package unit shall be assigned a number as described above. The first digit of the sequence number "YY" should be assigned such as it will be identical for all equipment of the same package unit. Example: Equipment in package unit A-5450 which consists of 1 unit of Strainer, 1 unit of Pump and 2 units of Vessels. S-5451, P-5451, V-5451 and V-5452



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4.0



IDENTIFICATION OF PIPING



4.1



GENERAL All line numbers of piping line in P&ID and piping drawing (e.g.: isometric drawing) shall be identified with the following components: Line number example: 100-P3001-3C108-H10



100 Nominal Diameter (DN)



NOTE: 1. 2.



P 3 Fluid Code Process Unit Number 300



001 3C108 H10 Sequence Piping class Insulation Number identification in code. accordance with PTS 12.31.01 and 12.31.02



For offshore platforms, a location code may be inserted between in front of the fluid code. The location code shall be defined by the Owner. Owner to define the usage of DN or NPS.



4.2



LINE NUMBERING



4.2.1



Nominal Diameter (DN) The DN number is the nominal pipe size in ISO (International Organization for Standardization) designation. The term Nominal Diameter refer to internal diameter of pipes.



4.2.2



Fluid Code For fluid codes, Table 4.1 should only be used as a general reference. More fluid code abbreviation shall be referred to Standard drawing. For more detailed fluid code to accurately represent specific fluid, Contractor may propose new code with approval from the OWNER.



Process Media Identifier



Proposed Abbreviations



Process Media Identifier



Proposed Abbreviations



Process gas



PG



Fire Water



FW



Process liquid



PL



Closed Drain



DC



Process Mixture



PM



Drilling



DD



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Process Media Identifier



Proposed Abbreviations



Process Media Identifier



Proposed Abbreviations



Process Water



PWW



Open Drain



DH



Potable Water



WP



Open Drain Hazardous



Non



DN



Sour Water



WS



Accidentally Contaminated



Oil



AOC



Waste



Chilled Supply



Water



CHWS



Accidental Chemical Contaminated



ACC



Chilled Return



Water



CHWR



Diesel Oil



FD



Cooling Return



Water



CWR



HP & LP Fuel Gas



FG



Cooling Supply



Water



CWS



Heating Oil/Hot Oil



HM



RW



Glycol Ether



GE



Raw Water Tempered Supply



Water



TWS



Methanol



MT



Tempered Return



Water



TWR



Nitrogen



NT



Demineralized Water



DMW



Vent Atmospheric



VA



Sea Water



WS



HP Flare



VH



Foam



FF



LP Flare



VL



Table 4.1: Fluid Codes 4.2.3



Hazardous



Process Unit Numbers Refer to paragraph 3.3.



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4.2.4



Line Sequence Number Sequence numbers for piping line numbers shall be assigned with a three-digit number starting from 001 to 999.



4.2.5



Assigning Line Identifications Line numbers shall be assigned for process and utility lines from apparatus to apparatus. When the fluid pressure, volume or temperature changes considerably, the line number shall also be changed. As such, these changes will require a new unit number, line number or piping class. These changes should typically be demarcated at flange connections or major branches.



Parallel lines shall be numbered separately. For piping that crosses to another unit, either directly or indirectly on a pipe bridge, pipe track or other interconnecting system, the line numbers shall be assigned to the corresponding unit of origin seen in the direction of flow. For lines originating from other sources that is entering a unit without any other identification system, the line number shall be assigned corresponding to the unit they enter.



For utility headers on common pipe bridges or tracks not entering a specific unit shall be given a line number corresponding to the unit of origin seen in the direction of flow. Utility lines from utility headers entering a processing unit shall be given number(s) of the unit it is entering. 4.3



INSULATION CODES Codes for insulation shall be represented with a one to two letter code as follows: First and Second Letter Insulation tag (refer to table 4.2) Second or Third Letter Insulation thickness



4.3.1



Insulation Tag The insulation tag system shall be based on insulation type is classified as per below table.



Insulation type



Abbreviations



Acoustic insulation



A



Cold Conservation



C



Dual hot and cold



D



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Insulation type



Abbreviations



Electrical tracing



E



Heat Conservation



H



Steam jacketed line



J



Cold and acoustic insulation



L



Personnel protection from hot surface



P



Personnel protection from cold surface Steam Jacketed



SJ



LP Steam Tracing



SL



MP Steam Tracing



SM



Hot and acoustic insulation



T



Fire proofing



FP



Underground external coating



U



Non Insulated



N Table 4.2: Insulation tag



4.3.2



Insulation Thickness The insulation thickness shall be based on the calculated thickness as per CINI requirement.



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4.4



EXAMPLES OF LINE NUMBERS Example 1 200-P2010-3C108-E50 200 P Pipe Fluid size (DN)



2 Process Number 200



010



3C108 Sequence Piping ASME 300 Rating



E Electrical Tracing



50 Insulation Thickness



Example 2 80-W-1002-6C108-A40 80 W 1 Fluid Process Pipe size Code Unit (DN) Number 100



002 Sequence Number



6C108 Piping Class ASME 600 Rating



A Acoustic Insulation



40 Insulation Thickness



Example 3 300-F1001-1C108-H80 300



F



1



001



1C108



H



80



Pipe



Fluid



Process



Sequence



Piping



Heat Conservation



Insulation Thickness



(DN)



Code



Unit Number



number



Class ASME 150



100



rating



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5.0



VALVE IDENTIFICATIONS Valve identification is very important during the detail engineering and construction stage. The following table is applied as a guideline for valve tagging. All valves tagging shall be using below abbreviation. For more special type of valves specific to fluid or project, Contractor may propose new code with approval from the Owner



Valve Acronyms



Proposed



Ball valve



VB



Check valve



VC



Globe valve



VGL



Gate valve



VG



Plug valve



VP



Butterfly valve



VBF



Diaphragm valve



VD



Double expanded gate valve



VGDE



Twin seal valve



VTS



Choke valve



VCH



Table 5.1: Valves Identification Add some example for valves tagging. Example: VB-XXXYYY



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6.0



ENGINEERING DRAWING NUMBER All engineering drawing and engineering technical drawing should refer to PTS 19.10.02



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7.0



PIPING SPECIAL ITEMS Piping special items shall be denoted with “SP” as front letter to show special piping items. Below are the reference for marking piping special items: XXXX-SP-YYY XXXX: denotes zone/asset/location SP : Special Item YYY : running/sequence number



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8.0



BIBLIOGRAPHY In this PTS, reference is made to the following Standards/Publications. Unless specifically designated by date, the latest edition of each publication shall be used, together with any supplements/revisions thereto: PETRONAS STANDARDS Index to PTS



PTS 00.01.01



Requirements, General Definition of Terms, Abbreviations & Reading Guide



PTS 00.01.03



Piping classes – refining and chemicals



PTS 12.31.01



Piping classes – exploration and production



PTS 12.31.02



Instrumentation symbols and identification on process engineering flow schemes



PTS 14.00.03



Thermal Insulation



PTS 15.13.01



Definition of temperature, pressure and toxicity levels



PTS 16.50.01



STANDARD DRAWINGS Mechanical symbols for use on flow schemes



D16.92.013 - 024



P&ID Legend for Instrument Symbols and Identification



D14.92.012 - 016



Electrical symbols in addition to IEC 60617



D13.92.0001



INTERNATIONAL STANDARDS Graphical symbols for diagrams



IEC 60617



Issued by: Central Office of the IEC 3, Rue de Varembre CH 1211 Geneva 20, Switzerland Copies can also be obtained from national standards organizations



Coal Preparation Plant – Graphical Symbols Issued by: ISO Central Secretariat 1, ch. De la VoieCreuse Case postale 56 CH-1211 Geneve 20 Switzerland Copies can also be obtained from national standards organizations



ISO 561