HOSE ISO3821 - SINGLE OXYGEN - WITH FITTINGS • Inner tube:Synthetic rubber resistant to the welding gases • Reinforcement: High tensile synthetic textile. • External cover:Blue synthetic rubber resistant to abrasion and weather • NON RETURN VALVE in the outlet • Temperature: -20°C / +60°C • Safety factor: 3 : 1 • Marking:In compliance with the below mentioned standard. • Working pressure: 20 bar • Bursting pressure: 60 bar • Standards: ISO 3821 (hose) EN 1256 (hose assembly)