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OKF 900x500-3
Duct direct-expansion air cooler.
Products in this series (8)
Parameter | Value | Unit | |
---|---|---|---|
Casing material | galvanized steel | ||
Rectangular duct size | 900х500 | mm | |
Weight | 31.5 | kg |
![OKF 900x500-3](/images/it/899_schema.jpg)
Sizes | ∅D1 | ∅D2 | B | B1 | B2 | B3 | H | H1 | H2 | H3 | H4 | L |
---|---|---|---|---|---|---|---|---|---|---|---|---|
mm | 22 | 28 | 900 | 920 | 940 | 970 | 500 | 520 | 540 | 595 | 340 | 44 |
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How to use freon cooler diagrams:
Air Speed. Starting from 7000 m3/h on the air flow scale draw a vertical line 1 till the air speed axis. It makes 4.4 m/s.
- Supply air temperature. Prolong the line 1 up to the point where it crosses the outside air temperature (e.g. +30°C); then draw a horizontal line 2 from this point to the left till crossing the outside air humidity (e.g. 50%). From this point draw a vertical line 3 to the supply air temperature at cooler outlet axis on top of the graphic (+20.7°C).
- Cooling coil capacity. Prolong the line 1 up to the point where it crosses the outside air temperature (e.g. +30°C) and draw a horizontal line 4 from this point to the right until it crosses the outside air humidity curve (e.g., 50%), from here draw a vertical line 5 up to the scale representing the cooling capacity (28.0 kW).
- Cooling agent discharge. Prolong the line 5 down to cooling agent discharge axis at the bottom of the graphic 6 (640 kg/hour).
- Cooling agent pressure drop. Draw the line 7 from the point where the line 6 crosses the black curve to the pressure drop axis (26.0 kPa).
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