CAN/ULC 519.1:2014 (R2024)

1. SCOPE 1.1 This Standard applies to 25 and 38 mm synthetic percolating type hoses having a minimum service test pressure of 2070 kPa suitable for use in forest fire suppression. These hoses are classified as follows: NOTE: All references to values of pressure and vacuum, unless otherwise indicated, shall be considered as “gauge”. Class A: woven jacketed synthetic fibre with an integral lining; and Class B: rubber covered jacket and rubber lined. 1.2 The Class A hose shall have characteristics of wetting to help protect it from burning.