What are flashback arrestors used for in gas stations?

The flashback arrestors supplied by Unitor are designed for use both with gas cylinders and gas outlet stations and incorporate several safety functions: Non-return valve preventing reverse flow of gases, thereby preventing a gas mixture from reaching pipelines or cylinders

What kind of flashback arrestor does wittgas use?

Universal flashback arrestor, certified to DIN EN ISO 5175-1, with integrated coupling body Universal flashback arrestor, certified to DIN EN ISO 5175-1, stainless steel Universal flashback arrestor, certified to DIN EN ISO 5175-1, stainless steel, without non-return valve

Is the Universal flashback arrestor certified to Din?

Universal flashback arrestor, certified to DIN EN ISO 5175-1, with pressure relief valve [RV] Universal flashback arrestor, certified to DIN EN ISO 5175-1, with integrated coupling body

How to tell if the torch you are using has flashback arrestors and check valves?

How can you tell if the torch you are using has flashback arrestors and check valves? If you look at the torch you will notice a small cylindrical valve on each inlet with the hoses screwed onto this valve instead of hooked directly to the torch. Most of these valves are combination flashback/check valves and will say so on the valve body.

How often should I Change my flashback arrestor?

The flashback arrestors are build Conform to: EN 730/ISO 5175 and with BAM Certification no.: ZBF/009/12 For safety reasons we strongly recommend annual testing of the Flash back arrestors, and to change flashback arrestors every 5 years, calculated from the date you start using the equipment.

Why do I get a flashback when I backfire?

Usually you will hear a popping sound that turns to a whistle when this happens. When a backfire takes place in a mixing chamber, unless you shut off the oxygen valve, the flame burning in the torch head may ignite gases in the hoses and result in a flashback.