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  • BS ISO 6626-3:2008

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Internal combustion engines. Piston rings Coil-spring-loaded oil control rings made of steel

    Available format(s):  Hardcopy, PDF

    Superseded date:  26-04-2022

    Language(s):  English

    Published date:  31-07-2008

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Symbols
    4 Piston ring types and designation examples
      4.1 Type SOR - Steel oil control rings with
          R-shaped groove
      4.2 Type SOV - Steel oil control rings with
          V-shaped groove
    5 Common features
      5.1 Ring width h[1] and radial wall thickness a[1]
      5.2 Land width h[5]
      5.3 Land angle alpha, beta
      5.4 Land spacing B[3]
      5.5 Slot sizes
      5.6 Nitrided surface
      5.7 Nominal contact pressure and tangential force
      5.8 Tolerance of tangential force F[t]
    6 Coil springs
      6.1 Types of coil spring
      6.2 Coil-spring excursion (extended gap)
      6.3 Position of coil spring gap and fixing
      6.4 Material
    7 Type SOR
    8 Type SOV
    9 Dimensions
    Bibliography

    Abstract - (Show below) - (Hide below)

    Describes the essential dimensions of coil-spring-loaded, nitrided oil control rings made of steel, of piston ring types SOR (with R-shaped groove) and SOV (with V-shaped groove).

    General Product Information - (Show below) - (Hide below)

    Committee MCE/22
    Development Note Supersedes 07/30163269 DC. (07/2008)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 6622-2:2013 Internal combustion engines — Piston rings — Part 2: Rectangular rings made of steel
    ISO 6621-2:2003 Internal combustion engines Piston rings Part 2: Inspection measuring principles
    ISO 6624-2:2016 Internal combustion engines — Piston rings — Part 2: Half keystone rings made of cast iron
    ISO 6624-3:2017 Internal combustion engines — Piston rings — Part 3: Keystone rings made of steel
    ISO 6626-2:2013 Internal combustion engines Piston rings Part 2: Coil-spring-loaded oil control rings of narrow width made of cast iron
    ISO 6621-5:2013 Internal combustion engines Piston rings Part 5: Quality requirements
    ISO 6624-1:2017 Internal combustion engines — Piston rings — Part 1: Keystone rings made of cast iron
    ISO 6624-4:2016 Internal combustion engines — Piston rings — Part 4: Half keystone rings made of steel
    ISO 6625:1986 Internal combustion engines Piston rings Oil control rings
    ISO 6622-1:2003 Internal combustion engines Piston rings Part 1: Rectangular rings made of cast iron
    ISO 6623:2013 Internal combustion engines Piston rings Scraper rings made of cast iron
    ISO 6626:1989 Internal combustion engines Piston rings Coil-spring-loaded oil control rings
    ISO 6621-3:2000 Internal combustion engines Piston rings Part 3: Material specifications
    ISO 6627:2011 Internal combustion engines Piston rings Expander/segment oil-control rings
    ISO 6621-1:2007 Internal combustion engines Piston rings Part 1: Vocabulary
    ISO 6621-4:2015 Internal combustion engines Piston rings Part 4: General specifications
    View more information

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