ISO 4639-1:1987

Rubber tubing and hoses for fuel circuits for internal combustion engines — Specification — Part 1: Conventional liquid fuels

Scope

Specifies requirements for use in fuel circuits. Does not cover any equipment used for the distribution of liquid fuels. Differentiates three types with regard to the pressure: up to 0.12 MPa; 0 to 0.12 MPa; 0 to 0.3 MPa. The three types are divided into two further grades: one operating in environmental temperature up to 100 °C, another up to 125 °C. Tables contain dimensions and requirements for slabs and finished products. Two annexes refer to the resistance of tubing to tearing and cleanliness and extractables test.