Dual concentrators
I am using 2 concentrators on the inner ring of my phantom. One is an M20, the other an Ex20. I set both to 9 lpm and the hook up at a Y connector. Once hooked up the M20 stays at 9 lpm , but the Ex20 drops to between 4 to 6 lpm. Is this normal due to back pressure. I cannot find any leaks and my torch is running just fine.
Thanks,
John
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