/ Product catalogue / Commercial and industrial ventilation / Inline fans / For rectangular ducts / VKPFI / VKPFI 4D 500x300
| Unit of measurement | VKPFI 4D 500x300 | |
| Connected air duct size | mm | 500x300 |
| Phases | - | 3 |
| Maximum supply voltage | V | 400 |
| Minimum supply voltage | V | 400 |
| Power supply frequency | Hz | 50 |
| Rated power | W | 855 |
| Unit current | A | 1.7 |
| Maximum airflow | m³/h | 2350 |
| Rotation speed at 50hz | - | 1300 |
| Sound pressure level LpA at 3 m | dB(A) | 47 |
| Weight | kg | 52.5 |
| Transported air temperature (max) | °С | 50 |
| Transported air temperature (min) | °С | -20 |
| Ingress protection rating | - | IPX4 |
| Ingress protection rating of the drive | - | IP44 |
| Impeller material | - | Galvanized steel |
| Trademark | Vents |
| Model | VKPFI 4D 500x300 |
| Type of drive installed | External MSD or VSD |
| Type of heat recovery system | None |
| Nominal external pressure (Pa) | 345 |
| Maximum external leakage rates (%) | 2.7 |
| Static efficiency (%) | 22.6 |
| Effective electric power input (kW) | 0.593 |
| Sound power level (dB(A)) | 67 |
| Declared typology | NRVU UVU |
| B | B1 | B2 | B3 | H | H1 | H2 | H3 | L |
|---|---|---|---|---|---|---|---|---|
| 500 | 520 | 540 | 570 | 300 | 320 | 340 | 460 | 680 |
| Name | Photo | Description |
|---|---|---|
| Vents SR 500x300 |
|
Plate silencer for installation in rectangular ducts |
| Name | Photo | Description |
|---|---|---|
| Vents FB 500x300 |
|
Rectangular panel air filters |
| Vents FBK 500x300-4 |
|
Rectangular bag air filters |
| Vents FBK 500x300-5 |
|
Rectangular bag air filters |
| Vents FBK 500x300-7 |
|
Rectangular bag air filters |
| Name | Photo | Description |
|---|---|---|
| Vents KOM1 500x300 |
|
Backdraught gravity dampe for shutting off air flow in rectangular air ducts |
| Vents KR 500x300 |
|
Air dampers for controlling air flow in rectangular air ducts |
| Vents KG 500x300 |
|
Gravity valve for automatic airflow shut-off in round air ducts |
| Name | Photo | Description |
|---|---|---|
| Vents VVG 500x300 |
|
Flexible anti-vibration inserts for round air ducts |
| Name | Photo | Description |
|---|---|---|
| Vents PR 500x300 |
|
Cross-flow plate heat exchangers for rectangular air ducts |
| Name | Photo | Description |
|---|---|---|
| Vents SKRA 500x300/24 |
|
Mixing chambers for mixing (recirculating) part of the exhaust air with the outdoor air in the appropriate proportion |
| Name | Photo | Description |
|---|---|---|
| Vents NKV 500x300-2 |
|
Inline water supply air heaters or heater for air handling units with a rectangular cross-section |
| Vents NKV 500x300-4 |
|
Inline water supply air heaters or heater for air handling units with a rectangular cross-section |
| Name | Photo | Description |
|---|---|---|
| Vents NK 500x300-6,0-3 |
|
Rectangular electric inline heaters |
| Vents NK 500x300-7,5-3 |
|
Rectangular electric inline heaters |
| Vents NK 500x300-9,0-3 |
|
Rectangular electric inline heaters |
| Vents NK 500x300-10,5-3 |
|
Rectangular electric inline heaters |
| Vents NK 500x300-12,0-3 |
|
Rectangular electric inline heaters |
| Vents NK 500x300-15,0-3 |
|
Rectangular electric inline heaters |
| Vents NK 500x300-18,0-3 |
|
Rectangular electric inline heaters |
| Vents NK 500x300-21,0-3 |
|
Rectangular electric inline heaters |
| Vents NK 500x300-6,0-3 U |
|
Rectangular electric inline heaters with control unit |
| Vents NK 500x300-7,5-3 U |
|
Rectangular electric inline heaters with control unit |
| Vents NK 500x300-9,0-3 U |
|
Rectangular electric inline heaters with control unit |
| Vents NK 500x300-10,5-3 U |
|
Rectangular electric inline heaters with control unit |
| Vents NK 500x300-12,0-3 U |
|
Rectangular electric inline heaters with control unit |
| Vents NK 500x300-15,0-3 U |
|
Rectangular electric inline heaters with control unit |
| Vents NK 500x300-18,0-3 U |
|
Rectangular electric inline heaters with control unit |
| Vents NK 500x300-21,0-3 U |
|
Rectangular electric inline heaters with control unit |
| Name | Photo | Description |
|---|---|---|
| Vents RRV 500x300 |
|
Air flow controllers |
| Name | Photo | Description |
|---|---|---|
| Vents OKW 500x300-3 |
|
Rectangular inline water coolers |
| Name | Photo | Description |
|---|---|---|
| Vents OKF 500x300-3 |
|
Rectangular inline direct evaporative coolers |
| Name | Photo | Description |
|---|---|---|
| Vents RSA5D-4,0-M |
|
Three phase speed controller |
