/ Product catalogue / Commercial and industrial ventilation / Inline fans / For rectangular ducts / VKPFI / VKPFI 4D 800x500
| Unit of measurement | VKPFI 4D 800x500 | |
| Connected air duct size | mm | 800x500 |
| Phases | - | 3 |
| Minimum supply voltage | V | 400 |
| Maximum supply voltage | V | 400 |
| Power supply frequency | Hz | 50 |
| Rated power | W | 5850 |
| Unit current | A | 9.35 |
| Maximum airflow | m³/h | 8120 |
| Rotation speed at 50hz | - | 1140 |
| Sound pressure level LpA at 3 m | dB(A) | 61 |
| Weight | kg | 127 |
| Transported air temperature (max) | °С | 40 |
| Transported air temperature (min) | °С | -25 |
| Ingress protection rating | - | IPX4 |
| Ingress protection rating of the drive | - | IP44 |
| Impeller material | - | Galvanized steel |
| Trademark | Vents |
| Model | VKPFI 4D 800x500 |
| Type of drive installed | External MSD or VSD |
| Type of heat recovery system | None |
| Nominal external pressure (Pa) | 881 |
| Maximum external leakage rates (%) | 2.7 |
| Static efficiency (%) | 42.3 |
| Declared typology | NRVU UVU |
| Effective electric power input (kW) | 2.743 |
| Sound power level (dB(A)) | 81 |
| B | B1 | B2 | B3 | H | H1 | H2 | H3 | L |
|---|---|---|---|---|---|---|---|---|
| 800 | 820 | - | 900 | 500 | 520 | - | 720 | 935 |
| Name | Photo | Description |
|---|---|---|
| Vents SR 800x500 |
|
Plate silencer for installation in rectangular ducts |
| Name | Photo | Description |
|---|---|---|
| Vents FB 800x500 |
|
Rectangular panel air filters |
| Vents FBK 800x500-4 |
|
Rectangular bag air filters |
| Vents FBK 800x500-5 |
|
Rectangular bag air filters |
| Vents FBK 800x500-7 |
|
Rectangular bag air filters |
| Name | Photo | Description |
|---|---|---|
| Vents KG 800x500 |
|
Gravity valve for automatic airflow shut-off in round air ducts |
| Name | Photo | Description |
|---|---|---|
| Vents VVG 800x500 |
|
Flexible anti-vibration inserts for round air ducts |
| Name | Photo | Description |
|---|---|---|
| Vents PR 800x500 |
|
Cross-flow plate heat exchangers for rectangular air ducts |
| Name | Photo | Description |
|---|---|---|
| Vents SKRA 800x500/24 |
|
Mixing chambers for mixing (recirculating) part of the exhaust air with the outdoor air in the appropriate proportion |
| Name | Photo | Description |
|---|---|---|
| Vents NKV 800x500-2 |
|
Inline water supply air heaters or heater for air handling units with a rectangular cross-section |
| Vents NKV 800x500-3 |
|
Inline water supply air heaters or heater for air handling units with a rectangular cross-section |
| Name | Photo | Description |
|---|---|---|
| Vents NK 800x500-27,0-3 |
|
Rectangular electric inline heaters |
| Vents NK 800x500-36,0-3 |
|
Rectangular electric inline heaters |
| Vents NK 800x500-54,0-3 |
|
Rectangular electric inline heaters |
| Vents NK 800x500-27,0-3 U |
|
Rectangular electric inline heaters with control unit |
| Vents NK 800x500-36,0-3 U |
|
Rectangular electric inline heaters with control unit |
| Vents NK 800x500-54,0-3 U |
|
Rectangular electric inline heaters with control unit |
| Name | Photo | Description |
|---|---|---|
| Vents RRV 800x500 |
|
Air flow controllers |
| Name | Photo | Description |
|---|---|---|
| Vents RSA5D-11,0-M |
|
Three phase speed controller |
| Name | Photo | Description |
|---|---|---|
| Vents OKW 800x500-3 |
|
Rectangular inline water coolers |
| Name | Photo | Description |
|---|---|---|
| Vents OKF 800x500-3 |
|
Rectangular inline direct evaporative coolers |
