Login
Not registered yet? Take advantages of registration:
Products saving in a binding to the projects
Online consultation from experts
Signup

Privacy policy

Blauberg BSK2 400 1A


Normally open fire-resisting duct damper with a thermal fuse and a return spring.
EAN codeEAN
  • Description
  • Characteristics
  • Downloads
  • Designation key
  • Mounting
  • Dimensions
Description
Description
USE

A fire safety damper prevents the spread of smoke and fire via ventilation and air conditioning system ducts in the event of fire.Such units are installed in air ducts located in fire-separation walls and ceilings. The fire resistance rating according to EN 1366-2 is EIS 60 or EIS 120.

DESIGN

The BSK series dampers are made in the general-purpose industrial version with a minimized variety of hardware components using lowalloy galvanized steel. The flap is made of fire-resistant material (vermiculite) with thermoexpansive fireproof sealing. The duct design implies two connection ports for integration into a ventilation duct (duct system).

CONTROL AND MODIFICATIONS

Depending on the design variant the BSK series dampers are equipped with:

MECHANICAL ACTUATING UNIT WITH A THERMAL FUSE AND A RETURN SPRING The fire safety damper remains open in the protective position. The damper is set to the operating position upon the thermal fuse breakdown resulting from a temperature increase. In the event of fire, the fusible element will melt upon the temperature reaching 72 °C and the spring will set the flap to the closed position.

THE BSK...1A FIRE SAFETY DAMPER WITH A MECHANICAL ACTUATING UNIT, A THERMAL FUSE AND A RETURN SPRING

MOUNTING

During the fire safety damper installation make sure that the release mechanism and the inspection hole face an easily accessible side of the wall or ceiling. This will ensure convenient control of the thermally sensitive release mechanism and its internals. The damper can be embedded into brick or concrete walls with the appropriate fire resistance rating. Wooden spreader bars should be used to avoid casing deformation during the installation.

Use of wooden spreader bars during installation

Upon completing the installation remove the wooden spreader bars.

Recommended damper positions

The damper may not be installed:

  • Into air ducts and on premises rated explosion and fire safety category A and B.
  • Into air ducts of local intakes for flammable and explosive mixtures.
  • Into systems which are do not undergo periodic cleaning pursuant to the established regulations for prevention of flammable deposit buildup.
Characteristics
Characteristics
Parameter BSK2 400 1A Measurement unit
Weight 6 kg
Connection diameter 400 mm
Mounting Inline -
Documents archieve
Documents archieve
Name
BSK - data sheet (pdf 1.27Mb)
BSK...1A - image (png 617.14Kb)
Designation key
Designation key

Mounting
Mounting

INSTALLATION RECOMMENDATIONS FOR BSK...1A DAMPERS WITH A MECHANICAL ACTUATING UNIT WITH A THERMAL FUSE AND A RETURN SPRING

IN VERTICAL BUILDING STRUCTURES IN HORIZONTAL BUILDING STRUCTURES

Dimensions
Dimensions

Modification Size [mm] Weight [kg]
Ø D L B
BSK2 400 1A 399 240 412 6
Similar products