Backfire guard, acetylene

Backfire guard for acetylene is a mandatory component in gas welding and cutting equipment. The guard prevents backflow of the cutting gas into the gas hose or vice versa, reducing the risk of gas mixture formation. Gas mixtures can cause hose explosions. In addition, the backfire guard includes a flame damper, backflow valve, and filter, all of which contribute to work safety. Select the correct backfire guard according to the connection and ensure that safety regulations are met in compliance with the standard.

• Backfire guard for gas: acetylene


• Attachment to the cutting/welding torch handle


• Backfire guard will prevent oxygen backflow into the fuel gas hose and vice versa, preventing gas mixing due to poor equipment condition or user error


• Gas mixing in a hose will cause it to explode


• Flame damper part (sintered metal) stops backfires


• Backflow valve closes off gas backflow


• The filter prevents debris from entering the unit


• Select the correct backfire guard according to the connection, e.g., X11 = 1/4" and X21 = 3/8"


• Fire safety regulations require the use of backfire guards


• The backfire guards have been manufactured conforming to the SFS-EN 730-1 standard