ISO 6627:2011 Preview

Internal combustion engines -- Piston rings -- Expander/segment oil-control rings

ISO 6627:2011 specifies the essential dimensional features of expander/segment oil-control rings, without providing a complete product description (because expander‑spacer design varies from piston-ring manufacturer to piston-ring manufacturer, the interaction between the manufacturer and the client will determine specific design details).

It applies to expander/segment oil-control rings of nominal diameters ranging from 40 mm to 125 mm for reciprocating internal combustion engines for road vehicles and other applications. It also applies to piston rings for compressors working under analogous conditions.


General information

  • Current status : Published
    Publication date : 2011-08
  • Edition : 2
    Number of pages : 15
  • :
    ISO/TC 22/SC 34
    Propulsion, powertrain and powertrain fluids
  • 43.060.10
    Engine block and internal components

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