New oxyfuel hoses are designed to burst at approximately how many psi?

New oxyfuel hoses are designed to burst at approximately how many psi?

• A. 400 psi
• B. 800 psi
• C. 1200 psi
• D. 200 psi

Answer: (A)

New oxyfuel hoses are designed with a built-in safety margin between normal operating pressures and the point at which the hose would fail. In typical oxyfuel systems, the actual working pressures for the gases are much lower than the hose’s capacity, so the burst pressure is set well above those operating values. A burst rating around 400 psi gives a healthy buffer against pressure spikes, heat, or damage that could occur during welding or cutting, reducing the risk of a sudden hose failure in use. The other numbers either sit near or below ordinary operating pressures or are unusually high for standard hoses, so 400 psi is the rating that reflects the intended safety margin for new hoses.

New oxyfuel hoses are designed with a built-in safety margin between normal operating pressures and the point at which the hose would fail. In typical oxyfuel systems, the actual working pressures for the gases are much lower than the hose’s capacity, so the burst pressure is set well above those operating values. A burst rating around 400 psi gives a healthy buffer against pressure spikes, heat, or damage that could occur during welding or cutting, reducing the risk of a sudden hose failure in use. The other numbers either sit near or below ordinary operating pressures or are unusually high for standard hoses, so 400 psi is the rating that reflects the intended safety margin for new hoses.