Petroleum and natural gas industries - Shell-and-tube heat exchangers (ISO 16812:2002)

Erdöl- und Erdgasindustrie - Röhrenkesselwärmetauscher (ISO 16812:2002)

Diese Internationale Norm nennt Anforderungen und Empfehlungen für mechanische Auslegung, Materialwahl, Herstellung, Abnahme, Prüfung und Versandvorbereitung bei Röhrenkesselwärmetauschern für die Erdöl- und Erdgasindustrie.
Diese Internationale Norm ist auf folgende Typen von Röhrenkesselwärmetauschern anwendbar: Heizgeräte, Kondensatoren, Kühlgeräte und Regeneratoren.
Diese Internationale Norm ist nicht anwendbar auf Vakuumdampfflächenkondensatoren und
Speisewasserheizgeräte.

Industries du pétrole et du gaz naturel - Echangeurs de chaleur a faisceaux (ISO 16812:2002)

Petroleum and natural gas industries - Shell-and-tube heat exchangers (ISO 16812:2002)

General Information

Status
Withdrawn
Publication Date
30-Apr-2004
Withdrawal Date
10-Jun-2007
Technical Committee
Current Stage
9900 - Withdrawal (Adopted Project)
Start Date
11-Jun-2007
Due Date
04-Jul-2007
Completion Date
11-Jun-2007

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Petroleum and natural gas industries - Shell-and-tube heat exchangers (ISO 16812:2002)Erdöl- und Erdgasindustrie - Röhrenkesselwärmetauscher (ISO 16812:2002)Industries du pétrole et du gaz naturel - Echangeurs de chaleur a faisceaux (ISO 16812:2002)Petroleum and natural gas industries - Shell-and-tube heat exchangers (ISO 16812:2002)75.180.20Predelovalna opremaProcessing equipment71.120.30Prenosniki toploteHeat exchangersICS:Ta slovenski standard je istoveten z:EN ISO 16812:2003SIST EN ISO 16812:2004en01-maj-2004SIST EN ISO 16812:2004SLOVENSKI
STANDARD



SIST EN ISO 16812:2004



EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN ISO 16812November 2003ICS 27.060.30; 75.180.20English versionPetroleum and natural gas industries - Shell-and-tube heatexchangers (ISO 16812:2002)Industries du pétrole et du gaz naturel - Echangeurs dechaleur à faisceaux (ISO 16812:2002)Erdöl- und Erdgasindustrie - Röhrenkesselwärmetauscher(ISO 16812:2002)This European Standard was approved by CEN on 3 November 2003.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and UnitedKingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2003 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN ISO 16812:2003 ESIST EN ISO 16812:2004



EN ISO 16812:2003 (E)2ForewordThe text of ISO 16812:2002 has been prepared by Technical Committee ISO/TC 67 "Materials,equipment and offshore structures for petroleum and natural gas industries" of the InternationalOrganization for Standardization (ISO) and has been taken over as EN ISO 16812:2003 byTechnical Committee CEN/TC 12 "Materials, equipment and offshore structures for petroleumand natural gas industries" the secretariat of which is held by AFNOR.This European Standard shall be given the status of a national standard, either by publication ofan identical text or by endorsement, at the latest by May 2004, and conflicting national standardsshall be withdrawn at the latest by May 2004.According to the CEN/CENELEC Internal Regulations, the national standards organizations ofthe following countries are bound to implement this European Standard: Austria, Belgium, CzechRepublic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy,Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland andthe United Kingdom.Endorsement noticeThe text of ISO 16812:2002 has been approved by CEN as EN ISO 16812:2003 without anymodifications.SIST EN ISO 16812:2004



Reference numberISO 16812:2002(E)© ISO 2002
INTERNATIONAL STANDARD ISO16812First edition2002-07-01Petroleum and natural gas industries — Shell-and-tube heat exchangers Industries du pétrole et du gaz naturel — Échangeurs de chaleur à faisceaux
SIST EN ISO 16812:2004



ISO 16812:2002(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below.
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ISO 2002 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56 • CH-1211 Geneva 20 Tel.
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ii © ISO 2002 – All rights reserved
SIST EN ISO 16812:2004



ISO 16812:2002(E) © ISO 2002 – All rights reserved iii Contents Page Foreword.v Introduction.vi 1 Scope.1 2 Normative references.1 3 Terms and definitions.1 4 General.2 5 Proposals.3 5.1 Purchaser’s responsibilities.3 5.2 Vendor’s responsibilities.3 6 Drawings and other required data.3 6.1 Outline drawings.3 6.2 Information required after drawings are reviewed.4 6.3 Reports and records.6 7 Design.6 7.1 Design temperature.6 7.2 Cladding for corrosion allowance.6 7.3 Shell supports.7 7.4 Stationary head.7 7.5 Floating head.7 7.6 Tube bundle.8 7.7 Nozzles and other connections.11 7.8 Flanged external girth joints.12 7.9 Expansion joints.12 7.10 Gaskets.12 7.11 Handling devices.12 7.12 Hydrogen service.13 8 Materials.13 8.1 General.13 8.2 Gaskets.13 8.3 Tubes.13 9 Fabrication.14 9.1 Shells.14 9.2 Pass-partition plates.14 9.3 Connection junctions.14 9.4 Tubes.14 SIST EN ISO 16812:2004



ISO 16812:2002(E) iv © ISO 2002 – All rights reserved
9.5 Welding.14 9.6 Heat treatment.15 9.7 Dimensional tolerances.15 9.8 Gasket contact surfaces other than nozzle flange facings.16 9.9 Tube-hole grooves.16 9.10 Tube-to-tubesheet joints.17 9.11 Assembly.17 10 Inspection and testing.17 10.1 Quality assurance.17 10.2 Quality control.18 10.3 Pressure testing.19 10.4 Nameplates and stampings.20 11 Preparation for shipment.20 11.1 Protection.20 11.2 Identification.21 12 Supplemental requirements.21 12.1 General.21 12.2 Design.21 12.3 Examination.21 Annex A (informative)
Specification sheet.23 Annex B (informative)
Shell-and-tube heat exchanger checklist.34 Annex C (informative)
Responsibility specification sheet.36 Annex D (informative)
Recommended practices.37 Bibliography.39
SIST EN ISO 16812:2004



ISO 16812:2002(E) © ISO 2002 – All rights reserved v Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this International Standard may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 16812 was prepared by Technical Committee ISO/TC 67, Materials, equipment and offshore structures for petroleum and natural gas industries, Subcommittee SC 6, Processing equipment and systems. Annexes A, B, C and D of this International Standard are for information only. SIST EN ISO 16812:2004



ISO 16812:2002(E) vi © ISO 2002 – All rights reserved
Introduction This International Standard is based on API Standard 660, sixth edition, February 2001. Users of this International Standard should be aware that further or differing requirements may be needed for individual applications. This International Standard is not intended to inhibit a vendor from offering, or the purchaser from accepting, alternative equipment or engineering solutions for the individual application. This may be particularly applicable where there is innovative or developing technology. Where an alternative is offered, the vendor should identify any variations from this International Standard and provide details. In International Standards, the SI system of units is used. Where practical in this International Standard, US Customary units are included in brackets for information. A bullet (zzzz) at the beginning of a clause or subclause indicates that either a decision is required or further information is to be provided by the purchaser. This information should be indicated on data sheets or stated in the enquiry or purchase order (see examples in annex A). Decisions should be indicated on a check list (see example in annex B). Annex C contains an example of a checklist which can be used to indicate the responsibilities of the various parties.
SIST EN ISO 16812:2004



INTERNATIONAL STANDARD ISO 16812:2002(E) © ISO 2002 – All rights reserved 1 Petroleum and natural gas industries — Shell-and-tube heat exchangers 1 Scope This International Standard specifies requirements and gives recommendations for the mechanical design, material selection, fabrication, inspection, testing and preparation for shipment of shell-and-tube heat exchangers for the petroleum and natural gas industries. This International Standard is applicable to the following types of shell-and-tube heat exchangers: heaters, condensers, coolers and reboilers. This International Standard is not applicable to vacuum-operated steam surface condensers and feed-water heaters. 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this International Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards. ASME B 16.51), Pipe flanges and flanged fittings: NPS ½ through NPS 24 ASME B 16.11, Forged steel fittings, socket-welding and threaded ASME B 1.20.1, Pipe threads, general purpose (inch) NACE MR01752), Sulfide stress cracking resistant metallic materials for oilfield equipment TEMA3), Eighth edition, Standards of the Tubular Exchanger Manufacturers Association 3 Terms and definitions For the purposes of this International Standard, the following terms and definitions apply. 3.1 heat exchanger unit one or more heat exchangers for a specified service that may include alternative operating conditions
1) ASME International, 3 Park Avenue, New York, NY 10016-5990, USA. 2) NACE International, P.O. Box 218340, Houston, TX 77218-8340, USA. 3) Tubular Exchanger Manufacturers Association, 25 North Broadway, Tarrytown, NY 10591, USA. SIST EN ISO 16812:2004



ISO 16812:2002(E) 2 © ISO 2002 – All rights reserved
3.2 item number purchaser's identification number for a heat exchanger unit 3.3 effective surface outside surface area of the tubes that contributes to heat transfer 3.4 nubbin projection on the flange gasket surface, positioned at the centre of the gasket, used to concentrate the bolt load on the gasket 3.5 pressure design code recognized pressure vessel standard specified or agreed by the purchaser EXAMPLE ASME Boiler and Pressure Vessel Code, Section VIII. 3.6 seal-welded welded to improve leak tightness of tube-to-tubesheet joints 3.7 strength-welded welded so that the design strength is equal to, or greater than, the maximum allowable axial tube strength of tube-to-tubesheet joints 3.8 category A welded joint longitudinal welded joint within the main shell, communicating chambers, nozzles or transitions in diameter; or any welded joint within a sphere or within a formed or flat head; or circumferential welded joint connecting hemispherical heads to main shells, to transitions in diameters or to communicating chambers 3.9 category B welded joint circumferential welded joint within the main shell, communicating chambers, nozzles, or transitions in diameter including joints between the transitions and a cylinder at either the large or small end; or circumferential welded joint connecting formed heads, other than hemispherical to main shells, to transitions in diameter, to nozzles or to communicating chambers 3.10 communicating chamber heat exchanger appurtenance which intersects the shell or heads of the heat exchanger and forms an integral part of the pressure-containing envelope EXAMPLE Sump. 3.11 full-penetration weld butt joint attained by double-welding or by other means which provides the same quality of deposited weld metal on the inside and outside surfaces to meet the requirements of the pressure design code 4 General z 4.1 The pressure design code shall be specified or agreed by the purchaser. Pressure components shall comply with the pressure design code and the supplemental requirements given in this International Standard. SIST EN ISO 16812:2004



ISO 16812:2002(E) © ISO 2002 – All rights reserved 3 4.2 Heat exchanger construction shall conform to TEMA Standards, Class R, unless another TEMA class is specified. z 4.3 The vendor shall comply with the applicable local regulations specified by the purchaser. 4.4 If specified by the purchaser or required by local regulations, the vendor shall register each exchanger with the appropriate Boiler and Pressure Vessel Inspection Authority. 4.5 Annex D includes some recommended mechanical and design details for information. 5 Proposals 5.1 Purchaser’s responsibilities The purchaser's enquiry shall include specification sheets, a checklist if required, and other applicable information outlined in this International Standard (for example, in the formats given in annex A, annex B and annex C). All necessary data for the design of a heat exchanger unit shall be provided. 5.2 Vendor’s responsibilities 5.2.1 The vendor's proposal shall include, for each heat exchanger unit, completed specification sheets such as those given in annex A or, if a specification sheet is included in the enquiry, a statement indicating complete compliance with that specification sheet. 5.2.2 Designs that are not fully defined by the nomenclature in TEMA Standards, Section 1, shall be accompanied by sketches that are sufficient to describe the details of construction. 5.2.3 If distributor belts are provided, the vendor shall define the type of construction proposed. 5.2.4 The vendor shall determine the need for, and if required, include expansion joints based on all conditions supplied by the purchaser. The vendor shall state the type of construction proposed. 5.2.5 The proposal shall include a detailed description of all exceptions to the requirements of the purchaser's enquiry. 5.2.6 Unless otherwise specified, the vendor shall supply the complete heat exchanger unit including: a) bolts, nuts and gaskets for the interconnecting nozzles of directly flanged stacked heat exchangers; b) shims and bolting for interconnecting supports of heat exchangers. 5.2.7 Unless otherwise specified, the vendor shall provide a separate quotation for the following items: a) a test component consisting of a test ring and gland, in accordance with TEMA Standard, Figure E-4.13-2 or equivalent, for each heat exchanger or group of similar heat exchangers with floating heads; b) one spare set of gaskets per heat exchanger unit. 6 Drawings and other required data 6.1 Outline drawings 6.1.1 The vendor shall submit, for review by the purchaser, outline drawings for each heat exchanger unit. The drawings shall include the following information: SIST EN ISO 16812:2004



ISO 16812:2002(E) 4 © ISO 2002 – All rights reserved
a) the service, item number, project name and location, purchaser's order number, vendor's shop order number, and other special identification numbers; b) the design pressure, test pressure, design temperature, minimum design metal temperature, and any restriction on testing or operation of the heat exchanger; c) the maximum allowable working pressure (MAWP) in the corroded condition and at the design temperature for the shell side and tube side; d) the connection sizes, location, orientation, projection, direction of flow and, if flanged, the rating and facing; e) the coupling sizes, rating and orientation; f) the dimensions, orientation and location of supports, including bolt holes and slots, and the stacking arrangement; g) the overall dimensions of the heat exchanger; h) the tube bundle removal clearance; i) the mass of the heat exchanger, empty and full of water, and of the tube bundle; j) the specified corrosion allowance for each side of the heat exchanger; k) references to the applicable code and the purchaser's specification; l) requirements for postweld heat treatment; m) requirements for radiographic examination; n) requirements for material impact testing; o) requirements for surface preparation and painting; p) the gasket materials; q) the insulation thickness; r) the location of expansion joints, vapour distributors, and any other special components or closures; s) the location and orientation of nameplates, lifting lugs, grounding clips or other attachments; t) the location of the centre of gravity of the heat exchanger; u) the forces and moments on connections as specified by the purchaser. 6.2 Information required after drawings are reviewed 6.2.1 Gasket details, including type and material, shall be shown on a separate drawing. This drawing shall not be marked with any restrictions for use. z 6.2.2 Qualified welding procedure specifications and procedure qualification records as required by the pressure design code shall be submitted for review, if specified by the purchaser. 6.2.3 Upon receipt of the purchaser's review comments on the outline drawings, the vendor shall submit copies of all detailed drawings. The detailed drawings shall fully describe the heat exchanger and shall include at least the following information: SIST EN ISO 16812:2004



ISO 16812:2002(E) © ISO 2002 – All rights reserved 5 a) full views and cross-sectional views with all dimensions and materials sufficient for stress calculations for each part; b) bundle details, including the following:  tube layout;  tube description and number in each pass;  number of baffles, cross-baffle cut, layout and orientation in a view that shows the cuts;  details and locations of all sealing and sliding strips;  details and locations of tie-rods and spacers;  details and locations of support plates;  details of tubesheet and tube-holes, including cladding or weld overlay if required;  gasket drawings;  details of pass-partition plates. c) details of each pressure-retaining weld, including weld material, weld nominal thickness, weld location and applicable non-destructive examination method; d) details of each weld and weld nominal thickness for non-pressure attachments; e) complete bills of materials, including the material specification; f) expansion joint details; g) details of cladding and weld overlay; h) weld map for each heat exchanger showing the weld joints, including welding procedure number(s); i) details of tube-to-tubesheet joints, including procedures for installation, welding, expansion, inspection and testing; j) flange-face finish. 6.2.4 The vendor shall submit for the purchaser's review the following documentation (unless otherwise specified): a) mechanical design calculations for all the heat exchanger pressure-retaining components. If calculations are made on a computer, all input and output data shall be detailed so as to facilitate an understanding of the calculation procedures; also, the formulas in the applicable sections of the pressure design code and the TEMA Standards shall be referenced; b) design calculations based on seismic, transportation and/or piping loads, if these loads are provided by the purchaser; c) proposed procedures for assembly of flanged joints, if controlled bolt-tightening procedures (such as hydraulic torque wrenches) are used. Any required lubricants shall be stated. z 6.2.5 The vendor shall also submit design calculations for supports or lifting and pulling devices, and details of vibration analysis if specified by the purchaser. SIST EN ISO 16812:2004



ISO 16812:2002(E) 6 © ISO 2002 – All rights reserved
6.2.6 After final review, the vendor shall revise all the required drawings and welding procedures, and submit each with the following text marked on every sheet separately and dated: “CERTIFIED FOR CONSTRUCTION”. 6.3 Reports and records z After the heat exchanger is completed, the vendor shall furnish the purchaser with the specified number of copies of the following documents: a) “as-built” specification sheet; b) all outlin
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