BD Series - Flangefit and Framefit, Aluminium Blades Width x Height:150x450

BD Series - Flangefit and Framefit, Aluminium Blades Width x Height:150x450The BD Series Backdraught Damper is self opening subject to air velocity and is designed to restrict air back flow. The damper can be fitted to partitions or brick walls, on plenums or duct mounted. Extruded aluminium blades DW144 compliant Galvanised mild steel casing Flange, Framefit or Spigot casing options BD Series Features and Benefits: Standard case construction is galvanised mild steel Extruded aluminium blades Flange, Framefit or Spigot

● Includes 1 x pressure switch

this remote and receiver system provides convenient access to ventilation and natural light

U-value of 1

these metal keys provide secure access to control panels used in smoke and heat exhaust ventilation (SHEV) and natural ventilation installations

Top-hung windows

Model YBO-BS is an addressable loop powered Base Sounder innovatively designed to give a range of tones and volumes with a maximum output of up to 98 dB(A) (±2 dB(A)) with low current consumption

By means of LEDs in the the front panel the control indicates the operating condition (ok operation and error- and alarm condition)

● Relief of pressure on window gasket after closing process

This means the AOV system can only be triggered for the purpose it is designed

ensure the integrity of the CHQ-DZM(SCI) at all times

● Space saving design

Solo C3 and Solo 330 / 332 are unlikely in isolation to prove suitable for testing these detectors