Formerly – 33HB

RECOMMENDED FOR: Handling mixtures of oxygen, helium, and nitrogen gases customarily used in diving applications as air breathing hose. For surface supplied air systems involved in recreational, salvage, oil rig service, and control lines.

TEMPERATURE: –20°F to +120°F (–40°C to +29°C) continuous service.

CONSTRUCTION: Tube: Type C (Nitrile). Black.

Reinforcement: Braided, synthetic textile.

Cover: Type A (Chloroprene). Black. All sizes are perforated.

Design Factor: 4:1

COUPLINGS: Corrosion–resistant couplings supplied and applied by diving contractors.

STANDARDS: Meets BS EN250:2014. Cleanliness: Length of hose is rinsed with water for 30 seconds to 1 minute, followed by a sponge plug blown through hose to remove water. A second alcohol–soaked sponge is then blown through hose, followed by air for 30 seconds