This International Standard specifies the minimum acceptance requirements for the satisfactory performance of three types of general purpose rubber water hose for use at up to 60 °C:
Type 1 — Low pressure: Designed for a maximum work-ing pressure of 0,6 MPa (6 bar) for all sizes.
Type 2 — Medium pressure: Designed for a maximum working pressure of 1,0 MPa (10 bar) for sizes up to and in-cluding 50 mm nominal bore.
Type 3 — High pressure: Designed for a maximum working pressure of 2,5 MPa (25 bar) for sizes up to and in-cluding 25 mm nominal bore.
NOTE — These hoses should not be used for conveying potable (drink-ing) water.
The list of nominal bore sizes given in table 1 [based on the R10 series of preferred numbers (see ISO 3)] is not intended to be restrictive and does not preclude the manufacture of sizes out-side this list which may be the subject of individual national standards.
SIS SS-ISO 1403:1990 history
1990SIS SS-ISO 1403:1990 Rubber hoses for water, general purpose — Specification