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Basically it is possible to work with a venturi solution in this case. But also a Pitot tube solution comes into consideration. To figure out the solution that fits best we need further information
The specialized surface milling machine is suitable for a variety of surfaces, used for flat end milling of pipes and flanges, in addition to chamfering and beveling. Compact advantages, easy to install and use, convenient, easy to move, suitable for many manufacturing, processing, repair…
Video of flange milling machine in action:
