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Investigate the degree of backfires occurred, the piping is not damaged. and what is the cause of backfire. And restart after inspection to make sure to confirm that the device can be used and restart operation When the gas flow becomes bad, it means that
Maximum Tightening Torque ([n m kgf / cm])
Allowable Temperature (degreeC)
20 deg C to 80 deg C or less
Overall Length (mm)
Working Pressure (MPa)
0.02-0.08 or less
However, pressure is working pressure for use of machines and tools.
Fuel gas (acetylene, LPG)
Maximum Flow Rate (m3/h)
1: loss of pressure 0.02Mpa
Normal: range of model A cutting device and model 100 burner