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In Orifice installation how we should decide tappings are at D,D/2 or at flanges?
I think that flange tappings are more common, but unless the fluid velocity in the pipe is very high, pipe tappings D/2 or D away from the flanges won't make much difference.
Dear Deepak, flange tapping is depends on line sizes there are 3 thumb rules:-
1) If line size is less than 2 inches then we go for corner tapping.
2) If line size is more than 2 inches and less than 18 inches then we go for flange tapping.
3) If line size is more than 18 inches then we go for D and D/2 tapping.
But I dont know when to use Vna Contracta Tapping and Pipe Tapping (2D and 8D). If you know or anybody else please tell.
D, D/2, or Flanges Tapping
Re: D,D/2 or flanges tapping
