10 Technical data Proline Prowirl 72 FOUNDATION Fieldbus
72 Endress + Hauser
Prowirl 72F (SI units)
Prowirl 72F (US units)
DN (DIN) Air (at 0 °C, 1.013 bar) Water (at 20 °C) K-factor
Corrected volume flow (e) in [m³/h] Volume flow (e) in [m³/h] [Pulse/dm³]
e
min
e
max
Frequency range
[Hz]
e
min
e
max
Frequency range
[Hz]
min to max.
DN 15 3 25 380 to 2850 0.16 5 14.0 to 600 390 to 450
DN 25 9 125 200 to 2700 0.32 15 6.5 to 340 70 to 85
DN 40 25 310 150 to 1750 0.91 37 4.5 to 220 18 to 22
DN 50 42 510 120 to 1350 1.5 62 3.7 to 170 8 to 11
DN 80 95 1150 80 to 900 3.4 140 2.5 to 115 2.5 to 3.2
DN 100 164 2000 60 to 700 5.9 240 1.9 to 86 1.1 to 1.4
DN 150 373 4540 40 to 460 13.4 550 1.2 to 57 0.3 to 0.4
DN 200 715 8710 27 to 322 25.7 1050 1.0 to 39 0.1266 to 0.14
DN 250 1127 13 740 23 to 272 40.6 1650 0.8 to 33 0.0677 to 0.0748
DN 300 1617 19 700 18 to 209 58.2 2360 0.6 to 25 0.0364 to 0.0402
DN (ANSI) Air (at 32 °F, 14.7 psia) Water (at 68 °F) K-factor
Corrected volume flow (e) in [scfm] Volume flow (e) in [gpm] [Pulse/dm³]
e
min
e
max
Frequency range
[Hz]
e
min
e
max
Frequency range
[Hz]
min to max.
½" 1.77 14.7 380 to 2850 0.70 22.0 14.0 to 600 390 to 450
1" 5.30 73.6 200 to 2700 1.41 66.0 6.5 to 340 70 to 85
1½" 14.7 182 150 to 1750 4.01 163 4.5 to 220 18 to 22
2" 24.7 300 120 to 1350 6.6 273 3.7 to 170 8 to 11
3" 55.9 677 80 to 900 15.0 616 2.5 to 115 2.5 to 3.2
4" 96.5 1177 60 to 700 26.0 1057 1.9 to 86 1.1 to 1.4
6" 220 2672 40 to 460 59.0 2422 1.2 to 57 0.3 to 0.4
8" 421 5126 27 to 322 113 4623 1.0 to 39 0.1266 to 0.14
10" 663 8087 23 to 272 179 7265 0.8 to 33 0.0677 to 0.0748
12" 952 11 595 18 to 209 256 10 391 0.6 to 25 0.0364 to 0.0402
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