We have had increasing interest and requests for oxygen versions of our popular Mass Flow Control Valves. So, in response, we created the BO396 which is now compatible with oxygen! It provides 1600 ltr/min @ 14 bar g (1100 ltr/min @ 7 bar g) and has a built-in needle valve so you can adjust the flow rate. It is fully pressure mechanical and can be mounted to a panel or supported in pipework.
Our MFCV’s are a mechanical valve that is very good at maintaining the flow through with a constant supply gas pressure but varying downstream pressure. It is suitable for anywhere that you need to maintain that flow, given the downstream pressure is changing, filling a buffer tank for example.
This overcomes the fundamental problem of using a simple orifice flow device. With a simple orifice, the flow of a given gas through it will change as the pressures to and from it change. Or as the differential pressure across it changes.
Examples for applications where controlling flow in this way is very useful are gas generators, tank blanketing, gas mixing and anywhere the downstream pressure fluctuates greatly.
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