Timothy, How does one go about testing the flashback arrestors?
Is this something that you would do yourself or is a more
complicated proceedure that would require some professional
The flasnback arrestors that I have are made by Western
Enterprises. Testing methods may vary depending on the brand. You
should check with the manufacturer of your brand for their
recomended test procidure to be 100% sure.
Instructions for testing of the Western Flashback Arrestors.
(Copied from the back of the package that they came in)
Remove flashback arrestor from apparatus.
Torch type - Disconnect hose from regulator and attach
flashback arrestor to regulator outlet. Tighten securely.
Regulator Type - Disconnect flashback arrestor from regulator
and reattach hose to the regulator outlet. Attach flashback
arrestor downstream end of the hose opposite normal direction of
flow. Tighten securley.
Slowley open cylinder valve and adjust regulator to 3 to 5
Using a small container of Western leak Test (LT-100) or
water, Check for leakage by submerging the end of the flashback
arrestor or hose (depending on type of arrestor). Bubbles will
apear if the internal check valve is leaking. There should be no
more than one bubble in 10 seconds.
Follow this procedure for each arrestor.
Note: After testing internal check valves for leakage,
reassemble, purge the hoses, then leak check the entire system
before lighting. Follow manufacturer’s instructions when purging
At the welding supply shop they recommend using Windex window
cleaner to test for leaks.
It is important that you DO NOT use oil on any oxygen
I hope that this helps.
Timothy A. Hansen