NN/O/S – Self-extingushing tested flameproof hose

With anti-torsion spring.

Hose made of a special black coloured mixture. Resistant to flame, heating, abrasion, mineral oils and grease, ageing caused by atmospheric agents. Distinctive stripes coloured blue for oxygen. Working temperature: -20°C ÷ +100°C. Under-coat: black, smooth made of synthetic rubber. Reinforcement: high resistance synthetic textile inserts. Covering: black, smooth (wrapped finish), synthetic rubber self-extinguishing. Manufacturing: on mandrel.

O2. Standard ASTM C 542 ISO 3821.