CAN/ULC-S558-13 (R2024)

1 SCOPE 1.1 This Standard contains requirements for 25 and 38 mm quick connect couplings and adapters of the external lug design for use in the forestry service. NOTE 1: Quick connect coupling and adapter sizes stated refer to the nominal diameter of the forestry hose. NOTE 2: The requirements for Forged External-Lug Quick Connect Couplings and Adapters for Forestry Fire Hose are contained in Standard CAN/ULC-S551. 1.2 The couplings and adapters are intended for use with forestry fire hose of the 25 and 38 mm standard sizes.