VENTS OV1 250 Low-Pressure Wall Axial Fan, 1,070 m³/h

OV1 series axial fans from Vents are designed to move large air volumes at low pressure, with the option of wall or panel mounting. They are used for ventilation of commercial, office and other public or industrial premises. The fan has an asynchronous single-phase motor with built-in thermal overheating protection and automatic restart.

• for wall or panel mounting
• with a steel housing and aluminium blades
• application: combined (extract and supply) ventilation system for various spaces requiring high airflow with relatively low system resistance
• diameter: ⌀ 262 mm
• max. flow rate: 1070 m³/h

• Suitable for use in commercial, office and other public or industrial premises.
• Application: combined (extract and supply) ventilation system for various spaces requiring high airflow with relatively low system resistance.
• Motor: the single-phase asynchronous motor is equipped with thermal overheating protection with automatic restart. The motor is equipped with sleeve bearings. Degree of protection of the motor IP44.
• Speed control: step speed control via an external autotransformer (sold separately).
• Mounting: can be wall-mounted or recessed (in-line); (mounting brackets included).
• Power supply: the fan is powered through the remote terminal box. The power supply and installation must be carried out in accordance with the terminal-box manual and wiring diagram.

​Technical specifications:

• phases: 1
• voltage: 230 V
• Frequency: 50 Hz
• power: 68 W
• current: 0.48 A
• max. flow rate: 1070 m³/h
• speed: 1300 rpm
• noise level at a distance of 3 m: 37 dBA
• min. temperature of processed air: - 30°C
• max. temperature of processed air: + 40°C
• degree of protection: resistant to dust and water splashes (IPX4, IP44)
• blade material: aluminium
• housing material: steel

Fan dimensions (as shown in photo no. 3):

• diameter D: ⌀ 262 mm
• Diameter d: ⌀ 7 mm
• B: 370 mm
• B1: 320 mm
• length L: 140 mm
• weight: 3.5 kg