Badger Meter Model BAR - Manual (Page 7)

User Manual
Page 7 April 2014
PRESO ELLIPSE LOCATION INSTRUCTIONS
Straight pipe requirements: Accuracy is affected by the piping configurations due to the disturbances of the flow profile . A
fully developed symmetrical flow profile is achieved with the minimum upstream and downstream recommended lengths .
DISTANCES ARE EXPRESSED IN
NUMBER OF NOMINAL PIPE DIAMETERS
A SINGLE ELBOW
7
FLOW
3
Preso
Straightening Vane
FLOW
2
2
5
3
Preso
3
3
9
2
4 5
Straightening Vane
Preso
FLOW
TWO ELBOWS IN THE SAME PLANE
3 11
FLOW
Preso
10
2
5 5
FLOW
4
Straightening Vane
Preso
4 24
FLOW
Preso
TWO ELBOWS IN DIFFERENT PLANES THROTTLED VALVE OR REGULATOR
27
4
Preso
Regulator or
Partially Closed
Valve
FLOW
11
6
2
5
Straightening
Vane
4
Preso
FLOW
Straightening Vane
FLOW
Straightening Vane
FLOW
4 4 6
Preso
6
6 4
4 10
2
Preso
FLOW
4 9
FLOW
Preso
CHANGE IN PIPE SIZE
4 9
Preso
FLO W M ETE RS DEB ITM ETE RS MED IDO R D E F LUJ O FLO W M ETE RS DEB ITM ETE RS MED IDO R D E F LUJ O
FLO W M ETE RS DEB ITM ETE RS MED IDO R D E F LUJ O
FLO W M ETE RS DEB ITM ETE RS MED IDO R D E F LUJ O
FLO W M ETE RS DEB ITM ETE RS MED IDO R D E F LUJ O FLO W M ETE RS DEB ITM ETE RS MED IDO R D E F LUJ O
FLO W M ETE RS DEB ITM ETE RS MED IDO R D E F LUJ O
FLO W M ETE RS DEB ITM ETE RS MED IDO R D E F LUJ O
FLO W M ETE RS DEB ITM ETE RS MED IDO R D E F LUJ O
FLO W M ETE RS DEB ITM ETE RS MED IDO R D E F LUJ O
FLO W M ETE RS DEB ITM ETE RS MED IDO R D E F LUJ O
FLO W M ETE RS DEB ITM ETE RS MED IDO R D E F LUJ O
Figure 6: Straight pipe requirements