Petroleum, petrochemical and natural gas industries - Axial and centrifugal compressors and expander-compressors - Part 4: Expander-compressors(ISO 10439-4:2015)

ISO 10439-4:2015 specifies minimum requirements and gives recommendations for axial compressors, single-shaft, and integrally geared process centrifugal compressors and expander-compressors for special purpose applications that handle gas or process air in the petroleum, petrochemical, and natural gas industries. ISO 10439‑4:2015 specifies requirements for expander-compressors, in addition to the general requirements specified in ISO 10439‑1:2015.

Erdöl-, petrochemische und Erdgasindustrie - Axial- und Radialkompressoren und Expanderkompressoren - Teil 4: Expanderkompressoren (ISO 10439-4:2015)

Industries du pétrole, de la pétrochimie et du gaz naturel - Compresseurs axiaux et centrifuges et compresseurs-détenteurs - Partie 4: Compresseurs-détenteurs (ISO 10439-4:2015)

L'ISO 10439-4:2015 spécifie les exigences minimales et fournit des recommandations pour les compresseurs axiaux, les compresseurs centrifuges mono-arbres à multiplicateur intégré et les compresseurs-détendeurs pour applications spéciales d'amenée de gaz ou de traitement d'air dans les industries du pétrole, de la pétrochimie et du gaz naturel. L'ISO 10439-4:2015 spécifie les exigences pour les compresseurs-détendeurs, en complément des exigences générales spécifiées dans l'ISO 10439‑1:2015.

Petrokemična industrija ter industrija za predelavo nafte in zemeljskega plina - Aksialni, radialni in ekspanzijski kompresorji - 4. del: Ekspanzijski kompresorji (ISO 10439-4:2015)

Ta del standarda ISO 10439 določa minimalne zahteve in daje priporočila za aksialne kompresorje, radialne kompresorje z eno gredjo in vgrajenim gonilom ter ekspanzijske kompresorje za posebne namene, ki obdelujejo plin ali procesni zrak v petrokemični industriji ter industriji za predelavo nafte in zemeljskega plina. Ta del standarda ISO 10439 poleg splošnih zahtev, določenih v standardu ISO 10439-1:2015, določa zahteve za ekspanzijske kompresorje. Zajema le ekspanderje in kompresorje na skupni gredi (ekspanzijski kompresor). Ne zajema ekspanderjev z ločenimi izhodnimi gredmi (npr. generatorski pogoni). Ekspanderji vročega plina nad 300 °C (570 °F) niso zajeti v tem delu standarda ISO 10439.

General Information

Status
Published
Publication Date
17-Feb-2015
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Due Date
16-Jul-2012

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SLOVENSKI STANDARD
SIST EN ISO 10439-4:2015
01-maj-2015
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SIST EN ISO 10439:2004
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Petroleum, petrochemical and natural gas industries - Axial and centrifugal compressors

and expander-compressors - Part 4: Expander-compressors (ISO 10439-4:2015)
Erdöl-, petrochemische und Erdgasindustrie - Axial- und Radialkompressoren und
Expanderkompressoren für Sonderanwendungen zur Handhabung von Gas oder
Prozessluft - Teil 4: Expanderkompressoren (ISO 10439-4:2015)

Industries du pétrole, de la pétrochimie et du gaz naturel - Compresseurs axiaux et

centrifuges et compresseurs-détenteurs - Partie 4: Compresseurs-détenteurs (ISO
10439-4:2015)
Ta slovenski standard je istoveten z: EN ISO 10439-4:2015
ICS:
23.140 .RPSUHVRUMLLQSQHYPDWLþQL Compressors and pneumatic
VWURML machines
75.180.20 Predelovalna oprema Processing equipment
SIST EN ISO 10439-4:2015 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN ISO 10439-4:2015
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SIST EN ISO 10439-4:2015
EUROPEAN STANDARD
EN ISO 10439-4
NORME EUROPÉENNE
EUROPÄISCHE NORM
February 2015
ICS 75.180.20; 71.120.99 Supersedes EN ISO 10439:2002
English Version
Petroleum, petrochemical and natural gas industries - Axial and
centrifugal compressors and expander-compressors - Part 4:
Expander-compressors(ISO 10439-4:2015)

Industries du pétrole, de la pétrochimie et du gaz naturel - Erdöl-, petrochemische und Erdgasindustrie - Axial- und

Compresseurs axiaux et centrifuges et compresseurs- Radialkompressoren und Expanderkompressoren - Teil 4:

détenteurs - Partie 4: Compresseurs-détenteurs (ISO Expanderkompressoren (ISO 10439-4:2015)

10439-4:2015)
This European Standard was approved by CEN on 29 November 2014.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European

Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national

standards may be obtained on application to the CEN-CENELEC 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 translation

under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same

status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,

Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United

Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels

© 2015 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 10439-4:2015 E

worldwide for CEN national Members.
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SIST EN ISO 10439-4:2015
EN ISO 10439-4:2015 (E)
Contents Page

Foreword ..............................................................................................................................................................3

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SIST EN ISO 10439-4:2015
EN ISO 10439-4:2015 (E)
Foreword

This document (EN ISO 10439-4:2015) has been prepared by Technical Committee ISO/TC 118

"Compressors and pneumatic tools, machines and equipment" in collaboration with Technical Committee

CEN/TC 12 “Materials, equipment and offshore structures for petroleum, petrochemical and 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 of an identical

text or by endorsement, at the latest by August 2015, and conflicting national standards shall be withdrawn at

the latest by August 2015.

Attention is drawn to the possibility that some of the elements of this document may be the subject of patent

rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.

This document supersedes EN ISO 10439:2002.

According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following

countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech

Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece,

Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,

Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.

Endorsement notice

The text of ISO 10439-4:2015 has been approved by CEN as EN ISO 10439-4:2015 without any modification.

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SIST EN ISO 10439-4:2015
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SIST EN ISO 10439-4:2015
INTERNATIONAL ISO
STANDARD 10439-4
First edition
2015-02-15
Petroleum, petrochemical and natural
gas industries — Axial and centrifugal
compressors and expander-
compressors —
Part 4:
Expander-compressors
Industries du pétrole, de la pétrochimie et du gaz naturel —
Compresseurs axiaux et centrifuges et compresseurs-détenteurs —
Partie 4: Compresseurs-détenteurs
Reference number
ISO 10439-4:2015(E)
ISO 2015
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SIST EN ISO 10439-4:2015
ISO 10439-4:2015(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2015

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form

or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior

written permission. Permission can be requested 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. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.org
Web www.iso.org
Published in Switzerland
ii © ISO 2015 – All rights reserved
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SIST EN ISO 10439-4:2015
ISO 10439-4:2015(E)
Contents Page

Foreword ..........................................................................................................................................................................................................................................v

Introduction ................................................................................................................................................................................................................................vi

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms, abbreviated terms, and definitions ............................................................................................................................... 1

4 General ............................................................................................................................................................................................................................ 1

4.1 Dimensions and units ........................................................................................................................................................................ 1

4.2 Statutory requirements ................................................................................................................................................................... 1

4.3 Unit responsibility ............................................................................................................................................................................... 2

4.4 Basic design ............................................................................................................................................................................................... 2

4.5 Materials ....................................................................................................................................................................................................... 2

4.6 Casings ........................................................................................................................................................................................................... 2

4.6.1 Pressure-containing casings .................................................................................................................................. 2

4.6.2 Casing repairs ..................................................................................................................................................................... 3

4.6.3 Material inspection of pressure containing parts ............................................................................... 3

4.6.4 Pressure casing connections ................................................................................................................................. 3

4.6.5 Casing support structures ........................................................................................................................................ 3

4.6.6 External forces and moments ............................................................................................................................... 3

4.6.7 Variable nozzles and heat shields ..................................................................................................................... 3

4.7 Rotating elements................................................................................................................................................................................. 4

4.7.1 General...................................................................................................................................................................................... 4

4.7.2 Shaft sleeve ........................................................................................................................................................................... 4

4.7.3 Shafts .......................................................................................................................................................................................... 4

4.7.4 Impellers ................................................................................................................................................................................. 5

4.8 Dynamics ...................................................................................................................................................................................................... 5

4.8.1 Vibration balancing ....................................................................................................................................................... 5

4.9 Bearings and bearing housings................................................................................................................................................. 6

4.9.1 General...................................................................................................................................................................................... 6

4.9.2 Hydrodynamic radial bearings ............................................................................................................................ 7

4.9.3 Hydrodynamic thrust bearings ........................................................................................................................... 7

4.9.4 Bearing housings ............................................................................................................................................................. 7

4.10 Expander-compressor shaft seals .......................................................................................................................................... 8

4.11 Integral gearing ...................................................................................................................................................................................... 8

4.12 Nameplates and rotation arrows ............................................................................................................................................ 8

5 Accessories ................................................................................................................................................................................................................. 8

5.1 Drivers ............................................................................................................................................................................................................ 8

5.2 Couplings and guards ........................................................................................................................................................................ 9

5.3 Lubrication and sealing systems ............................................................................................................................................. 9

5.4 Mounting plates...................................................................................................................................................................................... 9

5.5 Controls and instrumentation ................................................................................................................................................... 9

5.5.1 Vibration and position monitoring .................................................................................................................. 9

5.5.2 Hydrodynamic bearings ............................................................................................................................................ 9

5.5.3 Magnetic bearings ........................................................................................................................................................... 9

5.5.4 Overspeed shutdown system .............................................................................................................................10

5.5.5 Permanent strainer ........................................................................................................................................... ..........11

5.6 Piping and appurtenances .........................................................................................................................................................11

5.7 Special tools ............................................................................................................................................................................................12

6 Inspection, testing, and preparation for shipment ........................................................................................................12

6.1 General ........................................................................................................................................................................................................12

6.2 Inspection .................................................................................................................................................................................................12

© ISO 2015 – All rights reserved iii
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SIST EN ISO 10439-4:2015
ISO 10439-4:2015(E)

6.3 Testing .........................................................................................................................................................................................................12

6.3.1 General...................................................................................................................................................................................12

6.3.2 Wheel shaker test .........................................................................................................................................................12

6.3.3 Mechanical running test .........................................................................................................................................12

6.3.4 Assembled machine gas leakage test ..........................................................................................................14

6.3.5 Optional tests ...................................................................................................................................................................14

6.4 Preparation for shipment ...........................................................................................................................................................15

7 Supplier’s data .....................................................................................................................................................................................................15

7.1 General ........................................................................................................................................................................................................15

7.2 Proposals ...................................................................................................................................................................................................16

7.2.1 Technical data ..................................................................................................................................................................16

7.3 Contract data .........................................................................................................................................................................................16

7.3.1 General...................................................................................................................................................................................16

7.3.2 Curves and data sheets ............................................................................................................................................16

Annex A (normative) Datasheets ..........................................................................................................................................................................17

Annex B (informative) Vendor (Supplier) data and drawing requirements (VDDR) ......................................23

Annex C (informative) Nomenclature ...............................................................................................................................................................33

Annex D (informative) Typical materials......................................................................................................................................................35

Annex E (informative) Inspector’s checklist ..............................................................................................................................................41

Annex F (informative) Nozzle forces and moments ...........................................................................................................................46

Annex G (informative) Lubrication and sealing requirements ..............................................................................................50

Bibliography .............................................................................................................................................................................................................................52

iv © ISO 2015 – All rights reserved
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SIST EN ISO 10439-4:2015
ISO 10439-4:2015(E)
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.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any

patent rights identified during the development of the document will be in the Introduction and/or on

the ISO list of patent declarations received (see www.iso.org/patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation on the meaning of ISO specific terms and expressions related to conformity

assessment, as well as information about ISO’s adherence to the WTO principles in the Technical Barriers

to Trade (TBT), see the following URL: Foreword - Supplementary information

The committee responsible for this document is ISO/TC 118, Compressors and pneumatic tools, machines

and equipment, Subcommittee SC 1, Process compressors.

This first edition, together with ISO 10439-1, ISO 10439-2, and ISO 10439-3, cancels and replaces

ISO 10439:2002.

ISO 10439 consists of the following parts, under the general title Petroleum, petrochemical and natural

gas industries — Axial and centrifugal compressors and expander-compressors:
— Part 1: General requirements
— Part 2: Non-integrally geared centrifugal and axial compressors
— Part 3: Integrally geared centrifugal compressors
— Part 4: Expander-compressors
© ISO 2015 – All rights reserved v
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SIST EN ISO 10439-4:2015
ISO 10439-4:2015(E)
Introduction

This International Standard is based on the 7th edition of the American Petroleum Institute standard API 617.

Further or differing requirements might be needed for individual applications. This International

Standard is not intended to inhibit a supplier from offering, or the purchaser from accepting, alternative

equipment or engineering solutions for the individual application. This can be particularly appropriate

where there is innovative or developing technology. Where an alternative is offered, the supplier should

identify any variations from this International Standard and provide details.

An asterisk (*) at the beginning of the paragraph of a clause or subclause indicates that either a decision

is required or further information is to be provided by the purchaser. This information is indicated on

data sheets or stated in the enquiry or purchase order (see examples in Annex A, ISO 10439-2:2015,

Annex A, ISO 10439-3:2015, Annex A).
This International Standard includes the following annexes:
— Annex A: Datasheets;
— Annex B: Vendor (Supplier) data and drawing requirements (VDDR);
— Annex C: Nomenclature;
— Annex D: Typical materials;
— Annex E: Inspector’s checklist;
— Annex F: Nozzle forces and moments;
— Annex G: Lubrication and sealing requirements.

Annex A forms a normative part of this part of ISO 10439. Annexes B to G are for information only.

In this International Standard, where practical, US customary units are included in parentheses for

information.
vi © ISO 2015 – All rights reserved
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SIST EN ISO 10439-4:2015
INTERNATIONAL STANDARD ISO 10439-4:2015(E)
Petroleum, petrochemical and natural gas industries —
Axial and centrifugal compressors and expander-
compressors —
Part 4:
Expander-compressors
1 Scope

This part of ISO 10439 specifies minimum requirements and gives recommendations for axial compressors,

single-shaft, and integrally geared process centrifugal compressors and expander-compressors for

special purpose applications that handle gas or process air in the petroleum, petrochemical, and natural

gas industries. This part of ISO 10439 specifies requirements for expander-compressors, in addition to

the general requirements specified in ISO 10439-1:2015.

This scope covers only expanders and compressors on a common shaft (expander-compressor). This

scope does not apply to expanders with separate output shafts (e.g. generator drives). Hot gas expanders

over 300 °C (570 °F) are not covered in this part of ISO 10439.
2 Normative references

The following documents, in whole or in part, are normatively referenced in this document and are

indispensable for its application. For dated references, only the edition cited applies. For undated

references, the latest edition of the referenced document (including any amendments) applies.

ISO 10438 (all parts), Petroleum, petrochemical and natural gas industries — Lubrication, shaft-sealing

and control-oil systems and auxiliaries

ISO 10439-1:2015, Petroleum, petrochemical and natural gas industries — Axial and centrifugal compressors

and expander-compressors — Part 1: General requirements
API 670, Machinery protection systems
3 Terms, abbreviated terms, and definitions

For the purposes of this document, the terms, abbreviated terms, and definitions given in

ISO 10439-1:2015 apply.
4 General

NOTE A cross-section showing nomenclature of an expander-compressor can be found in Annex C.

4.1 Dimensions and units

The dimensional and unit requirements shall be in accordance with ISO 10439-1:2015, 4.1.

4.2 Statutory requirements
The statutory requirements shall be in accordance with ISO 10439-1:2015, 4.2.
© ISO 2015 – All rights reserved 1
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SIST EN ISO 10439-4:2015
ISO 10439-4:2015(E)
4.3 Unit responsibility
The unit responsibilities shall be in accordance with ISO 10439-1:2015, 4.3.
4.4 Basic design

4.4.1 The expander shall meet at least 98 % of the predicted efficiency at the certified point (see 6.3.5.1.1).

The compressor shall deliver at least 98 % of the normal head at the normal capacity. The compressor

power at the normal condition shall not be more than 106 % of that available from the expander, nor shall

it be less than 96 % of that available from the expander.

NOTE Compressor-loaded expanders achieve a power balance that determines the speed of the machine.

There is generally no speed control governor to control the speed the way other turbine-driven compressors

are controlled. If the expander power is more than expected, then the speed of the machine will be higher than

predicted. If the compressor power is more than expected, then the speed of the machine will be lower than

predicted. The above tolerances are needed to set limits beyond which hardware changes will be required to

achieve a reasonable normal speed.

4.4.2 The compressor head-capacity characteristic curve at the rated speed shall rise continuously

from the rated point to surge. The compressor shall be suitable for continuous operation at any capacity

on the predicted performance curve(s) at least 10 % greater than the predicted surge capacity shown in

the proposal.

NOTE It is common for flow to be bypassed around the compressor during normal operation.

4.5 Materials

4.5.1 Materials shall be in accordance with ISO 10439-1:2015, 4.5. Refer to Annex D for a table of

typical materials.

4.5.2 If traces of mercury have been specified, aluminium impellers shall be treated by anodizing or

other approved methods.
4.6 Casings
Casings shall be in accordance with ISO 10439-1:2015, 4.6 and 4.6.1 to 4.6.7.7.
4.6.1 Pressure-containing casings

4.6.1.1 * The maximum allowable working pressure of the casing(s) shall be at least equal to the relief

valve set pressure(s) specified by the purchaser.

4.6.1.1.1 If a relief valve set pressure is not specified, the maximum allowable working pressure of an

expander casing shall be at least 1,1 times the maximum specified inlet pressure (gauge). System pressure

protection shall be furnished by the purchaser.

4.6.1.1.2 If a relief valve set pressure is not specified, the maximum allowable working pressure of

the compressor casing of an expander-compressor shall be at least 1,25 times the maximum specified

discharge pressure (gauge). System pressure protection shall be furnished by the purchaser.

4.6.1.1.3 When the purchaser has not supplied a relief valve setting,
...

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