An oxygen and acetylene welding twin hose is a specialized, flexible hose with two separate lines bonded together, one for oxygen and one for acetylene, used to safely transport these gases to a welding or cutting torch. It is colour-coded, with green for oxygen and red for acetylene, to prevent mix-ups and feature reinforced construction for durability, safety, and resistance to abrasion and weather
Key features and functions
- Gas transport: The twin hose's primary function is to deliver oxygen and acetylene separately from the gas cylinders to the torch for processes like welding, cutting, and brazing.
- Colour-coding: For safety, the oxygen line is always green and the acetylene line is always red. The acetylene hose has left-hand threads for its fittings, while the oxygen hose has right-hand threads.
- Reinforcement: Typically made with high-tensile textile reinforcement to withstand pressure and prevent kinks.
- Cover: A durable and flexible outer cover, resistant to abrasion, heat, and weather, protects the inner tubes.
- Safety and durability: The hose is designed to be flexible yet resistant to wear and tear, leaks, and kinks. It is built to handle specific pressure levels, with some rated up to 300 PSI or 20 Bar.
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