Petroleum, petrochemical and natural gas industries - Rotary-type positive-displacement compressors - Part 1: Process compressors (ISO 10440-1:2007)

This part of ISO 10440 specifies requirements for dry and oil- flooded, helical-lobe rotary compressors (see Figure 1) used f or vacuum or pressure or both in petroleum, petrochemical, and gas industry services. It is intended for compressors that ar e in special-purpose applications. It is not applicable to gen eral-purpose air compressors, liquid-ring compressors, or vane -type compressors.

Erdöl-, petrochemische und Erdgasindustrie - Rotierende Verdrängerkompressoren - Teil 1: Prozesskompressoren (ISO 10440-1:2007)

Industries du pétrole, pétrochimique et du gaz naturel - Compresseurs volumétriques de type rotatif - Partie 1: Compresseurs de procédé (ISO 10440-1:2007)

L'ISO 10440-1:2007 spécifie les exigences relatives aux compresseurs rotatifs hélicoïdaux à lobes droits, à sec et plongés dans l'huile, utilisés dans les services d'industries du pétrole, de la pétrochimie et du gaz naturel pour créer des surpressions ou des dépressions ou les deux à la fois. Elle concerne les compresseurs à service spécial. Elle ne s'applique pas aux compresseurs à air standard, aux compresseurs à anneau liquide et aux compresseurs à palettes.

Petrokemična industrija ter industrija za predelavo nafte in zemeljskega plina - Rotacijski kompresorji z iztiskavanjem - 1. del: Procesni kompresorji (ISO 10440-1:2007)

General Information

Status
Published
Publication Date
09-Apr-2008
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
01-Apr-2008
Due Date
06-Jun-2008
Completion Date
10-Apr-2008

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SLOVENSKI STANDARD
SIST EN ISO 10440-1:2008
01-junij-2008
1DGRPHãþD
SIST EN ISO 10440-1:2001
3HWURNHPLþQDLQGXVWULMDWHULQGXVWULMD]DSUHGHODYRQDIWHLQ]HPHOMVNHJDSOLQD
5RWDFLMVNLNRPSUHVRUML]L]WLVNDYDQMHPGHO3URFHVQLNRPSUHVRUML ,62

Petroleum, petrochemical and natural gas industries - Rotary-type positive-displacement
compressors - Part 1: Process compressors (ISO 10440-1:2007)
Erdöl-, petrochemische und Erdgasindustrie - Rotierende Verdrängerkompressoren - Teil
1: Prozesskompressoren (ISO 10440-1:2007)
Industries du pétrole, pétrochimique et du gaz naturel - Compresseurs volumétriques de
type rotatif - Partie 1: Compresseurs de procédé (ISO 10440-1:2007)
Ta slovenski standard je istoveten z: EN ISO 10440-1:2007
ICS:
23.140 .RPSUHVRUMLLQSQHYPDWLþQL Compressors and pneumatic
VWURML machines
75.180.20 Predelovalna oprema Processing equipment
SIST EN ISO 10440-1:2008 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------

EUROPEAN STANDARD
EN ISO 10440-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
December 2007
ICS 75.180.20 Supersedes EN ISO 10440-1:2000
English Version
Petroleum, petrochemical and natural gas industries - Rotary-
type positive-displacement compressors - Part 1: Process
compressors (ISO 10440-1:2007)
Industries du pétrole, pétrochimique et du gaz naturel - Erdöl-, petrochemische und Erdgasindustrie - Rotierende
Compresseurs volumétriques de type rotatif - Partie 1: Verdrängerkompressoren - Teil 1: Prozesskompressoren
Compresseurs de procédé (ISO 10440-1:2007) (ISO 10440-1:2007)
This European Standard was approved by CEN on 13 July 2007.
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 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 Management Centre has the same status as the
official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,
Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2007 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 10440-1:2007: E
worldwide for CEN national Members.

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EN ISO 10440-1:2007 (E)
Contents Page
Foreword.3

2

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EN ISO 10440-1:2007 (E)
Foreword
This document (EN ISO 10440-1:2007) has been prepared by Technical Committee ISO/TC 118
"Compressors, pneumatic tools and pneumatic machines" 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 June 2008, and conflicting national standards shall be withdrawn at
the latest by June 2008.
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 10440-1:2000.
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, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.
Endorsement notice
The text of ISO 10440-1:2007 has been approved by CEN as a EN ISO 10440-1:2007 without any
modification.

3

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INTERNATIONAL ISO
STANDARD 10440-1
Second edition
2007-08-01


Petroleum, petrochemical and natural gas
industries — Rotary-type positive-
displacement compressors —
Part 1:
Process compressors
Industries du pétrole, pétrochimique et du gaz naturel — Compresseurs
volumétriques de type rotatif —
Partie 1: Compresseurs de procédé





Reference number
ISO 10440-1:2007(E)
©
ISO 2007

---------------------- Page: 5 ----------------------

ISO 10440-1:2007(E)
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electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or
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ii © ISO 2007 – All rights reserved

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ISO 10440-1:2007(E)
Contents Page
Foreword. v
Introduction . vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions. 4
4 General. 9
4.1 Pressure design code. 9
4.2 Unit responsibility. 9
4.3 Units of measurement . 10
4.4 Statutory requirements . 10
5 Basic design. 10
5.1 General. 10
5.2 Pressure casing . 14
5.3 Casing connections. 16
5.4 External forces and moments . 18
5.5 Rotating elements. 18
5.6 Shaft seals . 19
5.7 Dynamics . 26
5.8 Bearings. 31
5.9 Bearing housings. 34
5.10 Lube-oil and seal-oil systems. 35
5.11 Materials . 39
5.12 Nameplates and rotation arrows. 44
5.13 Quality. 44
6 Accessories. 45
6.1 Drivers. 45
6.2 Couplings and guards. 46
6.3 Mounting plates . 47
6.4 Controls and instrumentation . 49
6.5 Piping . 55
6.6 Intercoolers and aftercoolers . 56
6.7 Inlet air filters . 57
6.8 Inlet separators . 58
6.9 Pulsation suppressors/silencers for dry screw compressors. 58
6.10 Special tools. 60
7 Inspection, testing and preparation for shipment. 61
7.1 General. 61
7.2 Inspection . 61
7.3 Testing . 63
7.4 Preparation for shipment . 68
8 Vendor’s data . 70
8.1 General. 70
8.2 Proposals. 71
8.3 Contract data. 73
Annex A (informative) Typical datasheets. 75
Annex B (informative) Nomenclature for rotary-type positive-displacement compressors. 94
© ISO 2007 – All rights reserved iii

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ISO 10440-1:2007(E)
Annex C (normative) Forces and moments . 99
Annex D (normative) Procedure for determination of residual unbalance. 102
Annex E (normative) Typical schematics for pressurized oil systems for flooded screw
compressors. 110
Annex F (informative) Materials and their specifications for rotary compressors . 116
Annex G (informative) Typical mounting plate arrangements . 119
Annex H (informative) Inspector’s checklist. 121
Annex I (informative) Typical vendor drawing and data requirements. 123
Bibliography . 133

iv © ISO 2007 – All rights reserved

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ISO 10440-1:2007(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.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
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 document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 10440-1 was prepared by Technical Committee ISO/TC 118, Compressors and pneumatic tools,
machines and equipment, Subcommittee SC 1, Process compressors.
This second edition cancels and replaces the first edition (ISO 10440-1:2000), which has been technically
revised.
ISO 10440 consists of the following parts, under the general title Petroleum, petrochemical and natural gas
industries — Rotary-type positive-displacement compressors:
⎯ Part 1: Process compressors
⎯ Part 2: Packaged air compressors (oil-free)
© ISO 2007 – All rights reserved v

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ISO 10440-1:2007(E)
Introduction
This part of ISO 10440 is based on API 619, 4th edition, December 2004, with the intent that the 5th edition of
API 619 will be identical to this part of ISO 10440.
Users of this part of ISO 10440 should be aware that further or differing requirements may be needed for
individual applications. This part of ISO 10440 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 appropriate where there is innovative or developing technology. Where an alternative is
offered, the vendor should identify any variations from this part of ISO 10440 and provide details.
A bullet (•) at the beginning of a subclause or paragraph indicates that either a decision is required or further
information is to be provided by the purchaser. This information should be indicated on the datasheet(s),
otherwise it should be stated in the quotation request or in the order.
In this part of ISO 10440, where practical, US Customary (USC) units are included in brackets for information.
Dedicated datasheets for SI units and for USC units are provided in Annex A.

vi © ISO 2007 – All rights reserved

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INTERNATIONAL STANDARD ISO 10440-1:2007(E)

Petroleum, petrochemical and natural gas industries —
Rotary-type positive-displacement compressors —
Part 1:
Process compressors
1 Scope
This part of ISO 10440 specifies requirements for dry and oil-flooded, helical-lobe rotary compressors (see
Figure 1) used for vacuum or pressure or both in petroleum, petrochemical, and gas industry services. It is
intended for compressors that are in special-purpose applications.
It is not applicable to general-purpose air compressors, liquid-ring compressors, or vane-type compressors.
NOTE Standard air compressors are covered in ISO 10440-2.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
ISO 7 (all parts), Pipe threads where pressure-tight joints are made on the threads
ISO 261, ISO general purpose metric screw threads — General plan
ISO 262, ISO general-purpose metric screw threads — Selected sizes for screws, bolts and nuts
ISO 281, Rolling bearings — Dynamic load ratings and rating life
ISO 724, ISO general-purpose metric screw threads — Basic dimensions
1)
ISO 945 , Cast iron — Designation of microstructure of graphite
ISO 965 (all parts), ISO general-purpose metric screw threads — Tolerances
ISO 1217, Displacement compressors — Acceptance tests
ISO 1328-1:1995, Cylindrical gears — ISO system of accuracy — Part 1: Definitions and allowable values of
deviations relevant to corresponding flanks of gear teeth
ISO 1940-1:2003, Mechanical vibration — Balance quality requirements for rotors in a constant (rigid) state —
Part 1: Specification and verification of balance tolerances

1) Under revision as ISO 945-1, Designation of microstructure of cast irons — Part 1: Graphite classification by visual
analysis.
© ISO 2007 – All rights reserved 1

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ISO 10440-1:2007(E)
ISO 3448:1992 , Industrial liquid lubricants — ISO viscosity classification
ISO 3744, Acoustics — Determination of sound power levels and sound energy levels of noise sources using
sound pressure — Engineering method for an essentially free field over a reflecting plane
ISO 5753:1991, Rolling bearings — Radial internal clearance
ISO 6708, Pipework components — Definition and selection of DN (nominal size)
ISO 7005-1, Pipe flanges — Part 1: Steel flanges for industrial and general service piping systems
ISO 7005-2, Metallic flanges — Part 2: Cast iron flanges
ISO 8821, Mechanical vibration — Balancing — Shaft and fitment key convention
ISO 10437, Petroleum, petrochemical and natural gas industries — Steam turbines — Special-purpose
applications
ISO 10438 (all parts), Petroleum, petrochemical and natural gas industries — Lubrication, shaft-sealing and
control-oil systems and auxiliaries
ISO 10441, Petroleum, petrochemical and natural gas industries — Flexible couplings for mechanical power
transmission — Special-purpose applications
ISO 13691, Petroleum and natural gas industries — High-speed special-purpose gear units
ISO 13706, Petroleum, petrochemical and natural gas industries — Air-cooled heat exchangers
ISO 15649, Petroleum and natural gas industries — Piping
ISO 16812, Petroleum, petrochemical and natural gas industries — Shell-and-tube heat exchangers
IEC 60079 (all parts), Electrical apparatus for explosive gas atmospheres
ANSI/ABMA Standard 7, Shaft and Housing Fits for Metric Radial Ball and Roller Bearings (Except Tapered
2)
Roller Bearings) Conforming to Basic Boundary Plan
ANSI/ABMA Standard 20, Radial Bearings of Ball, Cylindrical Roller and Spherical Roller Types — Metric
Design
API RP 500, Recommended Practice for Classification of Locations for Electrical Installations at Petroleum
3)
Facilities Classified as Class 1, Division 1 and Division 2

API 520 (all parts), Sizing, Selection and Installation of Pressure-Relieving Devices in Refineries
ANSI/API 526, Flanged Steel Pressure Relief Valves
ANSI/API 611, General-Purpose Steam Turbines for Petroleum, Chemical and Gas Industry Services
ANSI/API 613, Special Purpose Gear Units for Petroleum, Chemical and Gas Industry Services
ANSI/API 670, Machinery Protection Systems
ANSI/API 671, Special Purpose Couplings for Petroleum, Chemical, and Gas Industry Services

2) American Bearing Manufacturers Association, 2025 M Street, NW, Suite 800, Washington, DC 20036, USA.
3) American Petroleum Institute, 1220 L Street NW, Washington, DC 20005-4070, USA.
2 © ISO 2007 – All rights reserved

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ISO 10440-1:2007(E)
API 677, General-Purpose Gear Units for Petroleum, Chemical and Gas Industry Services
API RP 686:1996, Machinery Installation and Installation Design
4)
ASME B1.1, Unified Inch Screw Threads, UN and UNR Thread Form
ASME B1.20.1-1983, Pipe Threads, General Purpose (Inch)
ASME B16.1, Cast Iron Pipe Flanges and Flanged Fittings: Classes 25, 125, and 250
ASME B16.5, Pipe Flanges and Flanged Fittings
ASME B16.11, Forged Steel Fittings, Socket-Welding and Threaded
ASME B16.42, Ductile Iron Pipe Flanges and Flanged Fittings, Classes 150 and 300
ASME B16.47, Large Diameter Steel Flanges: NPS 26 Through NPS 60
ASME B17.1, Keys and Keyseats
ASME Boiler and Pressure Vessel Code: Section V, Nondestructive Examination
ASME Boiler and Pressure Vessel Code: Section IX, Welding and Brazing Qualifications
5)
ASTM A247, Standard Test Method for Evaluating the Microstructure of Graphite in Iron Castings
ASTM A278, Standard Specification for Gray Iron Castings for Pressure-Containing Parts for Temperatures
Up to 650 °F
ASTM A320/A320M-05, Standard Specification for Alloy-Steel and Stainless Steel Bolting Materials for
Low-Temperature Service
ASTM A395/A395M-99, Standard Specification for Ferritic Ductile Iron Pressure-Retaining Castings for Use at
Elevated Temperatures
ASTM A536, Standard Specification for Ductile Iron Castings
ASTM E94, Standard Guide for Radiographic Examination
ASTM E709, Standard Guide for Magnetic Particle Examination
ASTM E1003, Standard Test Method for Hydrostatic Leak Testing
6)
ANSI/AWS D1.1/D1.1M, Structural Welding Code — Steel
IEEE 841, IEEE Standard for the Petroleum and Chemical Industry — Severe Duty Totally Enclosed
7)
Fan-Cooled (TEFC) Squirrel Cage Induction Motors — Up to and Including 500 HP (370 kW)
NACE MR0103, Materials Resistant to Sulfide Stress Cracking in Corrosive Petroleum Refining
8)
Environments

4) American Society of Mechanical Engineers, Three Park Avenue, New York, NY 10016-5990, USA.
5) American Society for Testing and Materials, 100 Bar Harbor Drive, West Conshohocken, PA 19428-2959, USA.
6) American Welding Society, 550 North LeJeune Road, Miami, FL 33136, USA.
7) Institute of Electrical & Electronic Engineers, 445 Hoes Lane, Piscataway, NJ 08855-1331, USA.
8) NACE international, the corrosion society, 1440 South Creek Drive, Houston, Texas 77084-4906, USA.
© ISO 2007 – All rights reserved 3

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ISO 10440-1:2007(E)
9)
NEMA 250, Enclosures for Electrical Equipment (1 000 Volts Maximum)
NEMA SM 23, Steam Turbines for Mechanical Drive Service
10)
NFPA (Fire) 30, Flammable and Combustible Liquids Code
NFPA (Fire) 70-05, 2005 National Electrical Code
11)
TEMA Standard Class C
TEMA Standard Class R
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
NOTE See Annex B for a guide to rotary-type positive-displacement compressor nomenclature.
3.1
alarm point
preset value of a measured parameter at which an alarm is actuated to warn of a condition that requires
corrective action
3.2
anchor bolts
bolts used to attach the mounting plate to the support structure (concrete foundation or steel structure)
NOTE Refer to 3.14 for definition of hold-down bolts.
3.3
axially split
split with the principal joint parallel to the shaft centreline
3.4
baseplate
structure providing support and mounting surfaces for one or more pieces of equipment
3.5
certified point
point at which the vendor certifies that the performance is within the tolerances stated in the standard, usually
the normal operating point
3.6
critical speed
shaft rotational speed at which the rotor-bearing support system is in a state of resonance
3.7
depressurization valve
blowdown valve
valve, external to the compressor, used to relieve the gas pressure within the compressor or compressor
package to atmospheric or flare pressure

9) National Electrical Manufacturers Association, 1300 N. 17th Street, Suite 1847, Rosslyn, VA 22209, USA.
10) National Fire Protection Association, 1 Batterymarch Park, Quincy, MA 02269-9101, USA.
11) Tubular Exchanger Manufacturers Association, Inc., 25 North Broadway, Tarrytown, NY 10591, USA.
4 © ISO 2007 – All rights reserved

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ISO 10440-1:2007(E)
3.8
dry screw compressor
helical-lobe rotary compressor that uses no liquid for sealing the rotor clearances and driving the non-coupled
rotor
NOTE 1 The rotor-to-rotor relationship is maintained by timing gears on each rotor and the non-coupled rotor is driven
by the coupled rotor through the timing gears.
NOTE 2 No rotor-to-rotor contact occurs in the dry screw compressor.
3.9
fail-safe
system that causes the equipment to revert to a permanently safe condition (shutdown and/or depressurized)
in the event of a component failure or failure of the energy supply to the system
3.10
flooded screw compressor
helical-lobe rotary compressor with a lubricant (compatible with the process gas) injected into the rotor area
after the closed thread position of the rotor
NOTE This lubricant helps seal rotor clearances and establishes an oil film between the rotors. One rotor drives the
other in the absence of a timing gear.
3.11
gas/oil separator
pressure-containing device, usually a vessel, used to separate entrained oil from the process gas
3.12
gauge board
bracket or plate used to support and display gauges, switches and other instruments
NOTE 1 A gauge board is open and not enclosed
NOTE 2 A gauge board is not a panel. A panel is an enclosure. Refer to 3.31 for the definition of a panel.
3.13
general-purpose application
application that is usually spared or is in non-critical service
3.14
hold-down bolts
mounting bolts
bolts holding the equipment to the mounting plate
3.15
hydrodynamic bearings
bearings that use the principles of hydrodynamic lubrication, where bearing surfaces are oriented such that
relative motion forms an oil wedge or wedges to support the load without shaft-to-bearing contact
3.16
inlet volume flow
flow rate expressed in volume flow units at the conditions of pressure, temperature, compressibility and gas
composition, including moisture content, at the compressor
...

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