JR smoke protection damper
Smoke protection dampers

JR smoke protection damper

Technical details

  • installation independent from airflow direction
  • approval Z-78.4-40
  • conforms to the fire protection requirements of the LüAR (German ventilating machinery guideline)

Product details

JR smoke protection dampers are used to prevent the transfer of smoke in ventilation ducts. The U-shaped frame which includes connection flanges has a length of 180 mm. The sealing blades, which are made of metal, are controlled via a linkage located outside of the air flow. The JR smoke protection damper is made of galvanized steel and the blade bearing is made of brass.

The electrical actuator with optional 230V AC or 24V DC operation has a spring return and limit switches to signal the OPEN and CLOSED damper positions. The smoke protection damper must be used in conjunction with a suitable smoke detector with General Building Approval.

JR smoke protection dampers are available in sizes from 200 mm x 180 mm to 2000 mm x 1995 mm (W x H).

Technical specifications

Not all of the variant values listed here can be combined with each other. Use our Wildeboer configurator to easily check the possible combinations.

Width
  • 200 mm
  • 300 mm
  • 400 mm
  • 500 mm
  • 600 mm
  • 700 mm
  • 800 mm
  • 900 mm
  • 1000 mm
  • 1200 mm
  • 1400 mm
  • 1600 mm
  • 1800 mm
  • 2000 mm
Height
  • 180 mm
  • 345 mm
  • 510 mm
  • 675 mm
  • 840 mm
  • 1005 mm
  • 1170 mm
  • 1335 mm
  • 1500 mm
  • 1665 mm
  • 1830 mm
  • 1995 mm
Installation subframe
  • Without installation subframe
  • With installation subframe
Einbauart
  • an massive Wand
  • an massive Decke
  • zwischen Lüftungsleitungen

Product pictures

JR smoke protection damper