SABRE® Plate mounted sickle fans (VSP) Vent-Axia

The latest generation of the Vent-Axia Sabre® Plate Mounted Sickle fans incorporate the very latest FE2 Owlett impeller offering improved performance over the previous ranges with up to 7dB(A) reduction in sound and up to 15% improvement in efficiency ensuring the best available fan performance in its class. The advanced blade design, matched to a purpose designed external rotor motor ensures unrivalled reliability and controllability.

Symbol Vent-Axia
Profile: Manufacturer
Headquarters: GB
Certificates: ISO 14001:2004, ISO 9001:2008
Establishment date: 1936
Guarantee: 5 years
Employees: 800
Assortment: Ventilation products, Fans, Roof fans, Air Handling Units
City Electrical Factors
Profile: Distributor
Headquarters: GB
Establishment date: 1951
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Product descritipion

 SABRE® Plate mounted sickle fans (VSP) Vent-Axia - 1

Stock Ref Kg A B C D E F G H J
VSP25012/14 4.2 370 320 260 264.5 78 73.4 6 50 7
VSP31514/34 6.7 430 380 349 349 78 83.9 11 63 9
VSP35514/34 7.5 485 435 390 390 78 82.9 12 68 9
VSP40014/34 8.7 549 490 412 419.8 90 91.5 12 88 9
VSP45014/34/16/36 16.2 575 535 463 480 110 143.5 14 96 11
VSP50014/34/16/36 20.1 655 615 517 528 84.5 141.5 16 104 11
VSP56014 31.8 725 675 568 589 98.3 167.5 16 119 11
VSP56034/16/36 24.2 725 675 568 589 82.5 162.5 16 119 11
VSP63034/36 37.2 805 750 643 664 111 159.5 20 130 11
VSP63016 26.7 805 750 643 664 70.5 174.5 20 130 11
VSP71016/36/38 38.6 850 810 720 763 44 201.5 20 150 14.5
  • Swept impeller with Aerofoil blades, winglets and serrated trailing edge for optimum performance
  • One shot die cast impeller, dynamically balanced for smoother operation
  • Operating temperature up to 70°C
  • External Rotor Motors on all models for compact efficient designAll models speed controllable
  • Guards fitted as standard on all models
  • Thermal Overload Protection for motor protection
  • Maintenance free sealed for life bearings
  • 2 Year Guarantee

Design and Development

Using a combination of NASA research into wing performance and winglets, coupled with a study of bird flight, has enabled the development of the best available Sickle blade profile. By matching this to a purpose designed close fitting mounting plate ensures best use of this blade technology thereby reducing noise and improving the performance in plate axial fans.


Vent-Axia Sabre® Plate Mounted Sickle fans are based on an integrated impeller and external rotor motor design, which produces a very compact unit. Together with a specially designed bell mouth inlet and mounting plate, the complete fan is lightweight and ensures an excellent performance to sound level ratio.

The mounting plate is formed from a single sheet, protected with a tough epoxy paint finish. Inlet finger guards and motor supports are manufactured from steel rod, electro welded for extra strength. Sizes 250 to 710 finger guards give protection to BS 848 Part 5. Manufacture is controlled to BS EN ISO 9001 Standards.


The impellers incorporate the latest in sickle blade aerofoil technology to ensure minimum sound and maximum performance. Impellers up to 400mm diameter are moulded from a composite polymer, impellers above this size are Aluminium. The motors and impellers are factory matched, statically and dynamically balanced to ISO 1940 part 1, Quality Class G.6.3.


The external rotor motors are specifically designed and styled for this range of fan. Ball bearings are greased for life. Sizes 315 - 710 motors are protected to IP54, against dust and moisture complying with BS EN 60529.

They have ribbed aluminium body castings for efficient cooling with Motor insulation to Class 'F' (from -40°C to + 70°C). Speed controlled sizes 450 to 710, 6 & 8 pole motors are only suitable for operating temperatures of up to 40°C.


The Sabre® Plate Mounted Sickle fan range is available for either single phase 220-240V 50 Hz capacitor start and run or three phase 380-415V 50Hz. Motors are fitted with Thermal Overload Protection which should be wired into all controller circuits and into starter contactors to prevent motor damage due to overloading / overheating.

Forms of Running

Plate mounted fans (ex-stock) are supplied for extract use (Form 'A' running).

Form of Running

Plate mounted fans (ex-stock) are supplied for extract use (Form ‘A’ running).


The fan performance, is in accordance with tests to ISO 5801.

Sound Levels

Fan sound levels, measured in a reverberant chamber in accordance with ISO 3744 Part 1. Published dB(A) figures are free field sound pressure levels at 3m with spherical propagation at a reference level of 2 x 10-5Pa (20 micro-Pascal). The sound power level spectra figures are dB with a reference level of 10-12 Watts (1 pico- ~ watt).

To ensure minimum noise levels during speed control, either an auto transformer or eDemand inverter speed control is recommended.


A full range of accessories is available with the Sabre® Plate Mounted Sickle fans:

- Electronic speed controllers
- Auto transformer speed controllers
- eDemand inverter speed control
- D.O.L. starters
- Louvre shutter
- Discharge guard


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