Internal combustion engines. Piston rings - Quality requirements has-corrigendum Product designer

Product designer

Water supply system designers

and oil and gas recovery

When electrical equipment is installed in areas where dangerous concentrations and quantities of flammable gases

This European Standard contains the relevant functional requirements for gas pressure regulating installations forming a part of the service lines in gas supply systems

Internal combustion engines. Piston rings - Quality requirements has-corrigendum Product designer1 Scope This document specifies quality aspects that can be defined but that are not normally found on a drawing specification. It covers the following: singlepiece piston rings of grey cast iron or steel; multipiece piston rings (oil control rings) consisting of cast iron parts and spring components; and singlepiece and multipiece oil control rings of steel, i. e. oil control rings in the form of strip steel components or steel segments (rails) with