Gas Backflowing - Nippon Gases EP-40 Intrucciones De Manejo Y Seguridad

5. GAS BACKFLOWING

EN
Immediately react as explained hereafter:
PT
5.1. Close both valves (first, fuel gas & then, oxygen) on the shank.
EN
5.2. If the torch is hot, wait till temperature has reduced.
5.3. Check tightness on accessories, nozzles & flexible hoses.
5.4. Suppress obstructions on tips, nozzles & injector.
5.5. Check that the non return valve is intact.
5.6. Check pressures & adjust if necessary.
5.7. If flame has come to the torch, follow instructions for gas control.
WARNING: All sentences showing with this symbol
instructions.
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BITUBO HOSES FOR EP-40 AND EP-40 B
correspond to special safety