Endress+Hauser Proline Prowirl 73 - Frequency Ranges for Air and Water

Proline Prowirl 73 Technical data
Endress+Hauser 87
10.1.10 Frequency ranges for air and water
For further fluids, e.g. steam, you can find information in the Applicator.
Prowirl 73W (SI units)
Prowirl 73W (US units)
DN (DIN) Air (at 0 °C, 1.013 bar) Water (at 20 °C) K-factor
Corrected volume flow (e) in [m
3
/h] Volume flow (e) in [m
3
/h] [Pulse/dm
3
]
e
min
e
max
Frequency range
[Hz]
e
min
e
max
Frequency range
[Hz]
Min. to max.
DN 15 4 35 330 to 2600 0.19 7 10.0 to 520 245 to 280
DN 25 11 160 180 to 2300 0.41 19 5.7 to 300 48 to 55
DN 40  375 140 to 1650 1.1 45 4.6 to 200 14 to 17
DN 50  610 100 to 1200 1.8 73 3.3 to 150 6 to 8
DN 80  1370 75 to 850 4.0 164 2.2 to 110 1.9 to 2.4
DN 100  2330 70 to 800 6.9 279 2.0 to 100 1.1 to 1.4
DN 150  5210 38 to 450 15.4 625 1.2 to 55 0.27 to 0.32
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/dm
3
]
e
min
e
max
Frequency range
[Hz]
e
min
e
max
Frequency range
[Hz]
Min. to max.
½" 2.35 20.6 330 to 2600 0.84 30.8 10.0 to 520 245 to 280
1" 6.47 94.2 180 to 2300 1.81 83.7 5.7 to 300 48 to 55
1½" 18.2 221 140 to 1650 4.84 198 4.6 to 200 14 to 17
2" 29.4 359 100 to 1200 7.93 321 3.3 to 150 6 to 8
3" 65.9 806 75 to 850 17.6 722 2.2 to 110 1.9 to 2.4
4" 112 1371 70 to 800 30.4 1228 2.0 to 100 1.1 to 1.4
6" 252 3066 38 to 450 67.8 2752 1.2 to 55 0.27 to 0.32