Sample Standard Data Sheet | 8631 Venturi
Bulletin 8631 page 7
Customer/order/job number: Sizing example data sheet
Item Number: 8631-16
Date:
Standard Conditions Standard Day Flow Standard Day Flow
250000
SCFH SCFM
4167
Fluid
Dry Air 0.0763
Standard Day Density
lb/ft 3
Standard Day Temperature Standard Day Pressure
60
degrees F
14.696
psi
Actual Conditions Temperature
100
degrees F FT. amsl
Elevation
1000
Density
0.0682
lb/ft 3
Atomspheric Pressure Upstream Pressure Pressure Differential
14.146
psi
0
"w.c. "w.c.
2.361
Actual Flow Actual Flow Mass Flow
279702
ACFH SCFM lb/min
4662
327
Permanent Press Loss Reynolds Number Discharge Coefficient
0.291
"w.c.
405925
0.985
Venturi Size Venturi Inlet ID
8631-16
15.5
in in
Venturi Throat ID Venturi Beta Ratio
10.85
0.7
Pressure Permanent
% of
Output
dp
Flow Rate Flow Rate
Mass Flow
Reynolds Number
Discharge
dp
(mADC) ("w.c.)
(scfh)
(acfh)
(lb/min)
Coefficient Loss ("w.c.)
0
4
0
0 0
0 0
0.000 0.000
0 0
0 0
0.00 0.00
below min. Re number
0.33
4.0528
0.01
1% additional flow error
10
5.60
0.30
89018
99594
113.214
144539
0.98
0.04
20 30 40 50 60 70 80 90
7.20 8.80 10.40 12.00 13.60 15.20 16.80 18.40 20.00 16.592
0.60 0.90 1.20 1.50 1.80 2.10 2.40 2.70 3.00 2.361
126459 154790 178631 199599 218523 235893 252033 267165 281452 250000
141484 173180 199855 223314 244485 263920 281977 298907 314892 279702
160.870 196.909 227.239 253.912 277.985 300.082 320.614 339.864 358.038
205332 251332 290044 324090 354815 383020 409227 433797 456994 405925
0.985 0.985 0.985 0.985 0.985 0.985 0.985 0.985 0.985 0.985
0.07 0.11 0.15 0.19 0.22 0.26 0.30 0.33 0.37 0.29
100 78.7
327.161
Design point
Minimum flow: 1.5% additional flow error
0.8
4.128
0.024
24677
27609
31.392
40069
0.96
0.01
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