Internal combustion engines. Piston rings - Quality requirements
Internal combustion engines. Piston rings - Quality requirements
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What is ISO 6621 ‑ 5 about?
ISO 6621 is a series of international standards on internal combustion engines of a road vehicle that specifies the quality requirements of piston rings . ISO 6621 ‑ 5 is the fifth part of the ISO 6621 series of standards that is applicable to the quality requirements of piston rings. It details best practices for reciprocating internal combustion engines for road vehicles and other applications and is applicable to all such rings of a nominal diameter from 30 mm up to and including 200 mm. ISO 6621 ‑ 5 covers the following:
Single ‑ piece piston rings of grey cast iron or steel
Упомянутые в описании и другие стандарты BS