For specific or installation advice on our BS EN 12101-8 AOV’s
please call us on 0117 938 1666 or contact us via our enquiry form

VU90-HOT Damper

VU90-HOT is a square/rectangular single horizontally pivoted  smoke damper with a fire resistance up to 90 minutes. This damper is designed to be integrated into ducting systems that travel through multiple fire compartments, and where the damper may be required to cycle open or closed at high temperatures in order to re direct the flow of hot smoke and gasses as it has the HOT 400/30 classification.

The HOT 400/30 This is an additional test within the scope of BS EN 12101-8 for dampers that have specific end use of being required to fully cycle open and closed at elevated temperatures. Such as those dampers that are used in systems where the directional flow of high temperature smoke is determined through ducting systems by opening and closing dampers.

This damper can be wall mounted at 0˚/90 ˚/180 ˚/270 ˚

The damper comes with the option of either  BLE 230v or BLE 24v  Belimo motors, on the larger sizes the options are BE 230v or BE 24v Belimo motors, more details on motor options can be available on request.


Key features

  • Minimal pressure loss
  • HOT 400/30 performance (Cycle for 30 minutes at 400˚)
  • Tested according to BS EN 1366-10 HOT test
  • Tested according to BS EN 1366-2 up to 500 Pa
  • Suitable for built in installation
  • Suitable for rigid wall, rigid floor and light wall (metal stud gypsum plasterboard wall)
  • Operating mechanism outside the wall
  • Maintenance free
  • For indoor use
  • Intermediate dimensions on request

Range of sizes

Min. W x H (mm) Max. W x H (mm)
200 x 200 1200 x 800


Drawings, Installation Detail and Full Specification coming soon


Complete the form below to access all downloadable product information.