WELDING GAS HOSES

Oxygen and Acetylene Gas welding Hoses

At BWS, we stock a variety of welding gas hoses for acetylene, oxygen and propane. All of our hoses and hose kits are built per the EN1256 and EN559 standards. Browse the full range of welding gas hoses available at BWS today or get in contact with a member of our in-house team for more information.

Oxygen and Acetylene Gas Hoses: Technical Description

Oxygen and acetylene gas hoses are crucial components in oxy-fuel welding and cutting processes. They are designed to safely transport gases from their respective cylinders to the welding torch. Understanding their types, connector sizes, one-way valves, and color coding is essential for safe and efficient operation.

1. Types of Hoses:

   • Rubber Hoses: Traditional hoses made from rubber are common. They are flexible and relatively durable but can degrade over time, especially when exposed to sunlight or extreme temperatures.
   • Synthetic Hoses: These are made from materials like TPR (Thermoplastic Rubber) and offer better resistance to oil, UV light, and ozone. They are also more flexible in colder temperatures compared to traditional rubber hoses.

2. Connector Sizes:

   • The standard connector sizes for oxygen and acetylene hoses in the UK and Europe are typically 3/8 inch BSP for professional-grade equipment.
   • For lighter applications, 1/4 inch BSP connectors are used.
   • It’s crucial to ensure that hose connectors match the size and thread of the outlets on the gas regulators and the inputs on the torch.

3. One-Way Valves (Check Valves):

   • One-way valves, or check valves, are safety devices installed in the hoses or the torch to prevent the reverse flow of gas, which can be a serious safety hazard.
   • They allow gas to flow only in one direction – from the cylinder to the torch – and prevent a flame or gas from traveling back up the hose to the cylinder.

4. Color Coding:

   • Color coding of hoses is an important safety feature that helps prevent the accidental interchange of gases, which can be extremely dangerous.
   • Oxygen Hoses: These are typically colored blue or green. Blue is the standard color in many regions, including Europe.
   • Acetylene Hoses: Acetylene hoses are usually red. This color coding helps users quickly identify the correct hose for each type of gas.

5. Additional Considerations:

   • Hose Length: The length of the hose should be appropriate for the workspace to avoid unnecessary loops or coils, which can be tripping hazards or cause kinks in the hose.
   • Maintenance: Regularly inspect hoses for cracks, leaks, or any sign of wear. Damaged hoses should be replaced immediately to ensure safety.
   • Storage: When not in use, hoses should be stored away from direct sunlight and extreme temperatures, and in a manner that prevents kinks and damage.