calculation and selection
Data sheet
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Model
AFQ VFQ2
Manufacturer
Danfoss
Country
Denmark
Allowable working fluids
Water
Function
maintains a set water flow rate at the installation place
Action
closes when the flow rate increases
Working position
normally open
Installation of electric actuator
impossible
PN
16
Tmax (for water)
200 °C
Tmin (for water)
5 °C
Connection type
flanged
Body material
cast iron / steel
technical
specifications
price
| DN mm |
L mm |
Kvs m³/h |
dG m³/h |
dP bar |
price |
|---|---|---|---|---|---|
| 15 | 130 | 4.00 | 0.10 - 2.00 0.20 - 3.00 |
0.20 - 20 0.50 - 20 |
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| 20 | 150 | 6.30 | 0.20 - 3.00 0.30 - 4.50 |
0.20 - 20 0.50 - 20 |
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| 25 | 160 | 8.00 | 0.20 - 4.00 0.30 - 6.00 |
0.20 - 20 0.50 - 20 |
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| 32 | 180 | 16 | 0.40 - 7.00 0.50 - 10 |
0.20 - 20 0.50 - 20 |
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| 40 | 200 | 20 | 0.60 - 11 0.80 - 16 |
0.20 - 20 0.50 - 20 |
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| 50 | 230 | 32 | 0.80 - 16 1.20 - 24 |
0.20 - 20 0.50 - 20 |
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| 65 | 290 | 50 | 3.00 - 28 4.00 - 40 |
0.20 - 20 0.50 - 20 |
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| 80 | 310 | 80 | 4.00 - 40 6.00 - 58 |
0.20 - 20 0.50 - 20 |
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| 100 | 350 | 125 | 6.00 - 63 9.00 - 90 |
0.20 - 15 0.50 - 15 |
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DN - nominal diameter, mm.
L - length along the pipeline axis, mm.
dG - flow setting range, m³/h.
dP - pressure loss range on the controller, bar.
Kvs - flow capacity, corresponds to water flow rate in m³/h at which the pressure drop on the controller will be 1 bar.
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