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Flashback Arrestor Testing Service
WHAT IS A FLASHBACK AND A FLASHBACK ARRESTOR?
A flashback happens when a flame burns back into the torch blowpipe and travels back along one of the gas hoses into the gas cylinder. A flashback can burn inside your hose can cause serious damage to your equipment. We have witnessed serious flashbacks that have caused equipment to melt, explode and cause burns to the operator. A flashback arrestor is a safety device that stops the flame from re-entering your handpiece, hoses and gas cylinders. Also, inside a flashback arrestor there is a gas non-return valve.
FLASHBACK ARRESTOR TESTING
All flashback arrestor testing is completed on an IBEDA flashback arrestor testing machine to the requirements of AS4603. In accordance with the relevant flashback arrestor standard, we conduct the following as part of our testing procedure:
- Through flow
- Reverse flow
- Leak tightness
- Labelling of the flashback arrestor for compliance.
FLASHBACK ARRESTOR TESTING ROUTINE
- AS4603 : 3.3 - Period Testing - Testing on flashback arrestors in service shall be carried out at a minimum interval of 12 months.
- AS4839 : Table 1 - Guidance on Maintenance - Calls for periodic inspection and maintenance on all portable and mobile Oxy/Fuel gas systems every 6 and 12 months
MAINTAINING FLASHBACK ARRESTORS, TESTED BY A TECHNICALLY COMPETENT THIRD PARTY
Oxy/Fuel Gas equipment testing requirements for Australia require flashback arrestors to be tested after the manufacturing process, They should be tested by a third party technically competent person annually as a minimum interval. In the event of a flashback, the flashback arrestor should be tested to see if there are any faults that require replacing.
WHERE TO FIT FLASHBACK ARRESTORS?
AUSTRALIAN STANDARD 4839 - THE SAFE USE OF PORTABLE AND MOBILE OXY/FUEL GAS SYSTEMS FOR WELDING, CUTTING, HEATING AND ALLIED PROCESSES. SECTION 7.3.3
Optimum protection is provided when at the blowpipe end a flame arrestor and a non-return valve for each gas line is fitted, and at the regulator end a flame arrestor, a non-return valve and a temperature activated cut-off valve for each line is fitted. Pressure activated cut-off valves at the regulator end are optional. The options in Clauses 7.3.4 and 7.3.5 provide lower levels of protection and should be used only when it is not otherwise possible to achieve the rated flows of the end heat output device through the lack of outlet pressure from the pressure regulator.
* WE TEST ALL YOUR FLASHBACK ARRESTORS & EQUIPMENT ON-SITE - BOOK A TECHNICIAN NOW
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