Liquid Controls Precision Turbine Flowmeters - Manual (Page 6)

3 TYPICAL METERING RUNS
UPSTREAM
Pipe fitting immediately
preceding metering location
Wide open valve (gate or plug)
or
Sharp right angle bend
(mitered elbow)
or
straight run of pipe
METERING LOCATION
DOWNSTREAM
Pipe fitting immediately
following metering
location.
Any fitting, valve or pipe
run
Long radius bends
or
smooth elbows
or
two elbows
or
partially open valves
of any type
Any fitting, valve or pipe
run
*Minimum lengths of
straight pipe required
expressed in nominal pipe
diameters.
5D *10D
FLOW
5D 5D 2D 3D
STRAIGHTENER
FLOW
20D
FLOW
5D
Pg.4