ISO 8469:2021 PDF

Small craft — Non-fire-resistant fuel hoses

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Title (English):

ISO 8469:2021

Small craft — Non-fire-resistant fuel hoses

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 8
Publication date:: February 5, 2021
Edition:: ISO IS 8469 edition 4 version 1
ICS:: 47.080

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Description (English):

This document specifies general requirements and physical tests for non-fire-resistant hoses for conveying petrol or petrol blended with ethanol, and diesel fuel or diesel fuel blended with FAME, designed for a working pressure not exceeding 0,34 MPa for hoses with inner diameter up to and including 10 mm, and 0,25 MPa for hoses up to 63 mm inner diameter in small craft. . It applies to hoses for small craft with permanently installed fuel systems. Specifications for fire-resistant hoses are given in ISO 7840:2021. Specifications for permanently installed fuel systems are given in ISO 10088:2013.

Technical details

Technical committee: ISO/TC 188 - Small craft
SKU: ISO 8469:2021

Abstract

Overview

ISO 8469:2021 specifies requirements and test methods for non‑fire‑resistant fuel hoses used in permanently installed fuel systems on small craft (≤ 24 m). The standard covers hoses for conveying petrol (including ethanol blends) and diesel (including FAME blends) with defined maximum working pressures (0.34 MPa for inner diameters ≤ 10 mm; 0.25 MPa for hoses up to 63 mm). ISO 8469:2021 focuses on material performance, durability and fuel permeation rather than fire resistance.

Key topics and technical requirements

Scope & applicability: Hoses for permanently installed small‑craft fuel systems carrying petrol/petrol‑ethanol and diesel/FAME blends.
Working pressure limits: 0.34 MPa (≤10 mm ID) and 0.25 MPa (≤63 mm ID).
Physical tests on finished hose (new samples for each test):
- Bursting pressure after 40 days conditioning in test fuel (1.4 MPa for ID ≤10 mm; 1.0 MPa for ID >10 mm).
- Vacuum collapse (ISO 7233) with specified vacuum levels depending on inner diameter.
- Volume swell after 40 days at 40 °C: tube ≤ 35% increase; cover (if different material) ≤ 120%.
- Mass reduction of tube ≤ 8% after fuel exposure (40 days at 40 °C).
- Ozone resistance (ISO 7326): no visible cracks at 7× magnification.
- Fuel permeation classification (see Annex A):
  - Type 15: ≤ 15 g/m² per 24 h
  - Type 1: > 15 and

Related standards

Mentioned in the description and other ISO standards

Overview

Key topics and technical requirements

Scope & applicability: Hoses for permanently installed small‑craft fuel systems carrying petrol/petrol‑ethanol and diesel/FAME blends.
Working pressure limits: 0.34 MPa (≤10 mm ID) and 0.25 MPa (≤63 mm ID).
Physical tests on finished hose (new samples for each test):
- Bursting pressure after 40 days conditioning in test fuel (1.4 MPa for ID ≤10 mm; 1.0 MPa for ID >10 mm).
- Vacuum collapse (ISO 7233) with specified vacuum levels depending on inner diameter.
- Volume swell after 40 days at 40 °C: tube ≤ 35% increase; cover (if different material) ≤ 120%.
- Mass reduction of tube ≤ 8% after fuel exposure (40 days at 40 °C).
- Ozone resistance (ISO 7326): no visible cracks at 7× magnification.
- Fuel permeation classification (see Annex A):
  - Type 15: ≤ 15 g/m² per 24 h
  - Type 1: > 15 and

ISO 8469:2021 PDF

Technical details

Abstract

Overview

Key topics and technical requirements

Related standards

Abstract

Overview

Key topics and technical requirements

Related standards

Rubber and plastics hoses and hose assemblies - Determination of resistance to vacuum (ISO 7233:2021)

Rubber and plastics hoses - Assessment of ozone resistance under static conditions (ISO 7326:2016)

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