ISO 2974:2026Published

Diesel engines — 60° concave cones for high-pressure fuel injection components

Moteurs diesels — Raccords finaux à cône concave de 60° pour lignes d'injection de carburants haute pression

Abstract / scope

This document specifies the dimensional requirements of end-connections for high-pressure fuel injection equipment components, including fuel injectors, CR injectors, common rails, distribution blocks, injection pumps and high-pressure supply pumps used on diesel (compression-ignition) engines.

It is applicable to externally threaded 60° concave cones (see Figures 1, 2, 5, and 6) and intended for use with high-pressure fuel injection pipe assemblies with tube outside diameters of:

  • up to and including 12 mm for integral concave cones (see Table 1); and
  • up to and including 9 mm for fabricated concave cones (see Table 2).

Life cycle

Replaces

ISO 2974:2018WithdrawnDiesel engines — 60° female cones for high-pressure fuel injection componentsInternational Standard · Published 8 Mar 2018 · ISO/TC 22/SC 34