Internal combustion engines. Piston rings - Rectangular rings made of cast iron Ingestion-build-103253 This European Standard has been

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Internal combustion engines. Piston rings - Rectangular rings made of cast iron Ingestion-build-103253 This European Standard has been1 Scope This part of ISO 6622 specifies the essential dimensional features of rectangular rings made of cast iron, Types R, B, BA and M, having diameters up to and including 200 mm, used in reciprocating internal combustion piston engines. It is also applicable to piston rings of compressors working under similar conditions.