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  • RECIPROCATING COMPRESSORS FOR OXYGEN SERVICE

    Code of Practice

    AIGA 048/12

    GLOBALLY HARMONISED DOCUMENT

    Asia Industrial Gases Association

    3 HarbourFront Place #09-04 HarbourFront Tower 2 Singapore 099254

  • Reproduced with permission from the European Industrial Gases Association. All rights reserved.

    ASIA INDUSTRIAL GASES ASSOCIATION

    3 HarbourFront Place, #09-04 HarbourFront Tower 2 Singapore 099254

    Internet: http://www.asiaiga.org

    AIGA 048/12

    GLOBALLY HARMONISED DOCUMENT

    RECIPROCATING COMPRESSORS FOR OXYGEN SERVICE

    Code of Practice

    Revised by the members of WG3 of EIGA

    Harald BEKMANN AIR LIQUIDE

    Bernard COURTOY AIR LIQUIDE

    Kenneth KOVAK AIR PRODUCTS

    Andrea MARIOTTI SOL

    Sid PHAKEY THE LINDE GROUP

    Dirk REUTER MESSER GROUP

    Inaki URIARTE PRAXAIR

    Andy WEBB EIGA

    And participating experts:

    Alain COLSON AIR LIQUIDE

    Disclaimer

    All publications of AIGA or bearing AIGAs name contain information, including Codes of Practice, safety procedures and other technical information that were obtained from sources believed by AIGA to be reliable and/ or based on technical information and experience currently available from members of AIGA and others at the date of the publication. As such, we do not make any representation or warranty nor accept any liability as to the accuracy, completeness or correctness of the information contained in these publications. While AIGA recommends that its members refer to or use its publications, such reference to or use thereof by its members or third parties is purely voluntary and not binding. AIGA or its members make no guarantee of the results and assume no liability or responsibility in connection with the reference to or use of information or suggestions contained in AIGAs publications. AIGA has no control whatsoever as regards, performance or non performance, misinterpretation, proper or improper use of any information or suggestions contained in AIGAs publications by any person or entity (including AIGA members) and AIGA expressly disclaims any liability in connection thereto. AIGAs publications are subject to periodic review and users are cautioned to obtain the latest edition.

  • Acknowledgement

    This document is adopted from the European Industrial Gases Associations IGC 10/09 Reciprocating compressors for oxygen service Code of Practice. Acknowledgement and thanks are hereby given for permission granted for the use of their document.

  • AIGA 048/12

    Table of Contents

    1 Introduction ......................................................................................................................................1 1.1 Scope........................................................................................................................................1

    1.1.1 Design of the compressor system (Sections 3 & 4) ..........................................................1 1.1.2 Cleaning, Preservation and Inspection (Section 5) ...........................................................1 1.1.3 Erection, Testing and Commissioning (Section 6) ............................................................1 1.1.4 Operation (Section 7) ........................................................................................................2 1.1.5 Planned Maintenance (Section 8) .....................................................................................2

    1.2 Other Specifications..................................................................................................................2 1.3 Application of the Code ............................................................................................................2

    1.3.1 Oxygen Purity ....................................................................................................................2 1.3.2 Oxygen Enriched Gases ...................................................................................................2 1.3.3 Moisture.............................................................................................................................2 1.3.4 Discharge Pressure...........................................................................................................3 1.3.5 Suction Pressure ...............................................................................................................3 1.3.6 Driver .................................................................................................................................3

    1.4 Definition of Terms....................................................................................................................3 1.4.1 Terminology.......................................................................................................................3 1.4.2 Maximum Continuous Speed of the compressor ..............................................................3 1.4.3 Maximum Operating Temperature ....................................................................................3

    2 Compressor Installation ...................................................................................................................3 2.1 Hazard Area..............................................................................................................................3

    2.1.1 Description.........................................................................................................................3 2.1.2 Enclosure of the Hazard Area by a Safety Barrier ............................................................4 2.1.3 Access to the Hazard Area................................................................................................4 2.1.4 Equipment Location...........................................................................................................5 2.1.5 Service Pipes and Electric Cables and junction boxes within the Hazard Area ...............5 2.1.6 Lubricating Oil System ......................................................................................................5

    2.2 Safety Barrier............................................................................................................................6 2.2.1 Purpose .............................................................................................................................6 2.2.2 Responsibilities..................................................................................................................6 2.2.3 The Nature of Burn Through ...........................................................................................6 2.2.4 Strength & Burn Through Criteria......................................................................................7 2.2.5 Materials of Construction...................................................................................................7 2.2.6 Layout of the Safety Barrier...............................................................................................7 2.2.7 Safety Barrier Miscellaneous Design Features .................................................................9

    2.3 Location ....................................................................................................................................9 2.3.1 Safety of Personnel and Plant...........................................................................................9 2.3.2 Erection and Maintenance.................................................................................................9 2.3.3 Overhead Cranes ..............................................................................................................9

    2.4 Fire Protection and Precautions ...............................................................................................9 2.4.1 Introduction........................................................................................................................9 2.4.2 Flammable Material .........................................................................................................10 2.4.3 Protection of Personnel ...................................................................................................10

    3 Compressor Design .......................................................................................................................10 3.1 Design Criteria ........................................................................................................................10

    3.1.1 Possible Causes of an Oxygen Compressor Fire ...........................................................10 3.2 Materials, General ..................................................................................................................10

    3.2.1 Construction Materials.....................................................................................................10 3.2.2 Use of Aluminium ............................................................................................................11

    3.3 Compressor parts: cylinders, cylinder liners, distance piece and crankcase.........................11 3.3.1 Cylinders and cylinder liners ...........................................................................................11 3.3.2 Distance piece.................................................................................................................11 3.3.3 Cylinder Valves................................................................................................................12 3.3.4 Piston................................................................