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Digital Flow Switch PFM7

Arc Welding Process Equipment ? Detection Switches
    ?Compatible with Argon (Ar), Carbon Dioxide
    　(CO2) and the Mixed Gas (Ar+CO2)
    ?Allows flow rate control and value management of shielding gas
    ?Minimum unit setting: 0.01 L/min
    ?Repeatability: ±1%F.S.
    ?Grease-free
    ?Flow adjustment valve is integrated. (Reduced piping and space saving)
    ?Response time: Either 50 ms, 0.5 s, 1 s or 2 s can be chosen.
SeriesApplicable fluidRated flow range（L/min）
PFM7Dry air, N2, Ar, CO20.2 to 10（0.2 to 5）
0.5 to 25（0.5 to 12.5）
1 to 50（1 to 25）
2 to 100（2 to 50）
（?。? For CO2
PFM7-X731Compatible with argon (Ar) and carbon dioxide (CO2) mixed gas0.2 to 7
0.5 to 25
0.5 to 20
1.0 to 50
1.0 to 40
2 to 100
2 to 90
2 to 80

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