Proline Prowirl 73 Technical data
Endress+Hauser 79
!
Note!
By using the selection and planning program "Applicator", you can determine the exact values for
the fluid you use. You can obtain the Applicator from your Endress+Hauser sales center or on the
Internet under www.applicator.com.
K-factor range:
The table is used for orientation purposes. The range in which the K-factor can be is indicated for
individual nominal diameters and designs.
Standard version: DN 50 (2") to 300 (12")
R Style:
• DN 80 (3") > DN 50 (2")
• Nominal diameters larger than DN 80 (3")
S Style:
• DN 100 (4") >> DN 50 (2")
• Nominal diameters larger than DN 100 (4")
120 m/s (394 ft/s) or Mach 0.3
(depending on which value is smaller)
Calibrated range: up to 75 m/s (246 ft/s)
Nominal diameter v
max
Nominal diameter K-factor range [pul./dm³]
DIN ANSI 73F 73W
DN 15 ½" 390 to 450 245 to 280
DN 25 1" 70 to 85 48 to 55
DN 40 1½" 18 to 22 14 to 17
DN 50 2" 8 to 11 6 to 8
DN 80 3" 2.5 to 3.2 1.9 to 2.4
DN 100 4" 1.1 to 1.4 0.9 to 1.1
DN 150 6" 0.3 to 0.4 0.27 to 0.32
DN 200 8" 0.1266 to 0.1400 –
DN 250 10" 0.0677 to 0.0748 –
DN 300 12" 0.0364 to 0.0402 –
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