ISO 18418-1:2016 PDF

Name: ISO 18418-1:2016 — Gasoline engines — Medium pressure liquid fuel supply connections — Part 1: 60° female cone connectors
SKU: ISO 18418-1:2016
Price: 25 EUR
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Gasoline engines — Medium pressure liquid fuel supply connections — Part 1: 60° female cone connectors

Название (английский):

ISO 18418-1:2016

Gasoline engines — Medium pressure liquid fuel supply connections — Part 1: 60° female cone connectors

Статус документа:: Отменён
Формат:: Электронный (PDF)
Количество страниц:: 4
Дата публикации:: 21 ноября 2016 г.
Издание:: ISO IS 18418 edition 2 version 1
ICS:: 43.060.40

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Описание (английский):

ISO 18418-1:2016 specifies the dimensional requirements of medium-pressure pipe end-connections for gasoline (spark ignition) engine fuel injection equipment. It is applicable to externally threaded end-connections having a 60° female cone (see Figure 1), as well as to the pipe end assemblies of medium-pressure fuel injection pipes with outside diameters of up to and including 10 mm (see Table 1).

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 18418-1:2016 defines dimensional requirements for medium-pressure pipe end‑connections used in gasoline (spark‑ignition) engine fuel injection equipment. The standard covers externally threaded end‑connections with a 60° female cone and applies to fuel injection pipe assemblies with outside diameters up to and including 10 mm. It ensures interchangeability of connectors at rails, pumps and injectors for medium‑pressure gasoline fuel systems.

Key topics and requirements

Connector geometry and dimensions

Specifies the 60° female cone form and its relationship to the external thread (see Figure 1 and Table 1 in the standard).
Covers two common sizes: pipe OD 8 mm (thread M14 × 1.5) and pipe OD 10 mm (thread M16 × 1.5), with connector length T = 11 mm and specified bore and reference plane depths.
Thread tolerance class: 6 g for external threaded end‑connections.

Dimensional tolerances

Dimensions and tolerances are defined for final assembly condition (after heat treating, brazing or welding) and must be met prior to pipe assembly.

Materials and heat treatment

Material selection and heat treatment are to be specified according to intended use; the standard does not mandate specific alloys but requires agreement between supplier and customer.

Operating pressure

Permissible operating pressure is not fixed in the standard; it must be specified with an adequate safety margin and agreed between supplier and customer to ensure sealing under maximum internal pressure.

Designation

Clear designation format: reference to ISO 18418-1, tube outside diameter and thread (example: ISO 18418-1 - M14).

Referenced standards

Surface finish and related requirements reference ISO 1302 and other ISO documents.

Applications and users

ISO 18418-1 is practical for:

Automotive OEMs and tier‑1 suppliers designing or manufacturing medium‑pressure gasoline fuel rails, pumps and injectors.

Fuel injection pipe and connector manufacturers aiming for dimensional interchangeability.

Design and validation engineers specifying connector dimensions, thread fit and assembly requirements.

Quality and test laboratories verifying conformance to dimensional tolerances after heat treatment or joining.

Maintenance, retrofit and aftermarket providers replacing or repairing fuel line components.

Use cases include direct injection (DI) gasoline systems and medium‑pressure fuel rails where reliable sealing and interchangeability of 60° female cone connectors are required.

Related standards

ISO 2974 - Diesel 60° female cones (comparable designs)

ISO 13296 - High‑pressure fuel injection pipe assemblies

ISO 3508 - Thread run‑outs for ISO 261 threads

ISO 18418-2 - Part 2: Pipe assemblies

ISO 1302 - Surface texture specification

Keywords: ISO 18418-1, 60° female cone connectors, medium-pressure fuel injection, gasoline engines, pipe end-connections, M14, M16, thread 6g, dimensional tolerances.

ISO 18418-1:2016 PDF

Abstract

Похожие стандарты

Overview

Key topics and requirements

Applications and users

Related standards

Технические детали

BS ISO 18418-1:2026

Gasoline engines. High pressure liquid fuel supply connections. 60° concave cone connectors.

ISO 1302:1992

Technical drawings — Method of indicating surface texture

ISO 2974:2016

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

ISO 13296:2012

Diesel engines — High-pressure fuel injection pipe assemblies — General requirements and dimensions

SIST ISO 3508:1996

Thread run-outs for fasteners with thread in accordance with ISO 261 and ISO 262

BS EN ISO 2614:2023

Analysis of natural gas. Biomethane. Determination of terpenes´ content by micro gas chromatography.

BS ISO 18418-2:2022

Gasoline engines. High pressure liquid fuel supply connections. Pipe assemblies.