How often should flashback arrestors be replaced?

How often should flashback arrestors be replaced?

5 years
Ryval Flashback Arrestors must be replaced 5 years from first date of use. A “notched date label” on the flashback arrestor allows the end user to mark the date of first use, providing this is within 1 year of date of manufacture.

What is backfire in welding?

The momentary recession of the flame into the torch, potentially causng a flashback or sustained backfire. It is usually signaled by a popping sound, after which the flame may extinguish or reignite at the end of the tip.

Do you need a flashback arrestor for oxygen?

A flashback arrestor is a device designed to quench flashback. Flashback arrestors should be fitted to all fuel gas supply lines and to oxygen supply lines when they are used in conjunction with fuel gases.

What must be done if a flashback occurs?

If flashback occurs and the flame moves into the blowpipe, a shrill hissing sound will be heard. Close the blowpipe oxygen valve at once, then close the fuel gas valve. Note: This is the reverse of the normal shutting down procedure.

What are check valves and Flashback arrestors used for?

Check Valves and Flashback Arrestors are safety devices for protecting workers using oxyfuel cutting and welding equipment. A check valve is a device that is designed to prevent the unintentional backflow of gases.

What is a flashback arrestor on an oxyfuel?

A flashback (flame) arrestor is a device that prevents the propagation of a flame upstream. Note that these devices reduce the volume of gases available at the tip/nozzle. NATURE OF THE HAZARD Always be sure there is enough fuel in both cylinders to complete the operation before starting a job.

Can you afford not to fit flashback arrestors?

Ask yourself “can I afford not to fit flashback arrestors?”. If you don’t have flashback arrestors fitted to your oxy equipment, you are exposing yourself many risks, including; The potential ‘physical’ consequences of a flashback: Equipment and property damage and injury to persons and/or death

Do you need flashback arrestors for argon gas?

Hello Ravi, Argon gas is “inert” (is not flammable) and therefore does not require the use of flashback arrestors. Mohammed, thank you for your question. FBAs must always be installed with gas flow in the direction of the arrow on the label. If the FBA is installed the wrong way around, it will block / stop gas flow altogether.