Answer / binu

Mainly we see the beta ratio which should be between 0.3 to
0.8.

Answer / sanjiv

You need proper sizing for that reynolds no should be
within limits b ratio you can sacrifice in few cases to
achieve better DP.
Vendors will not offer youb ratio less than 0.2 for your
normal flow range

Answer / reddy

The range the beta value is restricted to between 0.2 up to max 0.7 for accuracy and linearity

Answer / vijay

mainly depend type of orifice & beta ratio .4 to .8

Answer / pasuvaraj

beta ratio 0.4 to 0.65, this gives the perment pressure
drop across the orifice, internal bore of orifice plate

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