Bearing of the lamellae in fire dampers

Sector: Fire safety technology, building technology

Function

Fire dampers must function reliably. If there is a fire, the lamellae of the fire damper must open smoothly and correctly.
Environmental influences such as heat, cold, dirt or dust must not impede the function of the lamellae. If used frequently – or indeed rarely – this correct opening must not be impeded. Jamming caused by corrosion,
dirt or the influence of certain temperatures must be prevented.

Bearing with KS PERMAGLIDE® P10 plain bearing bushes

DKS PERMAGLIDE® P10 plain bearings, which are implemented in pairs, are
an ideal solution for the bearing of the lamellae in fire dampers.
The maintenance-free KS PERMAGLIDE® P10 plain bearings prevent the bearing
from corroding and freezing solid, and prevent the lubricant from dripping out
due to heat. The bearing clearance may not become too low, e.g. due to high
temperatures, as this can lead to the lamellae becoming stuck. The reliable
function of the fire damper – even after long periods of use – is guaranteed
by using KS PERMAGLIDE® P10 plain bearings.

Advantage: Reliable function of the bearing thanks to KS PERMAGLIDE® P10 plain bearings

  • Impervious to temperature, dirt and dust
  • Maintenance-free, even when used very frequently or rarely
  • Protected against corrosion

Use of KS PERMAGLIDE® P10 plain bearings in fire dampers

Bearing of the lamellae pivots:
KS PERMAGLIDE® bushes in the locating hole of the lamellae

KS PERMAGLIDE® P10 – robust and reliable

Description of material

  • Universally usable plain bearing material for dry and lubricated applications
  • High rigidity
  • Durability
  • High chemical resistance
  • Good emergency running properties
  • Material: Lead bronze sintered onto a steel base, friction-minimising additives PTFE and lead.

KS PERMAGLIDE® P10 offers the following advantages over comparable lead-free plain bearing products:

  • Higher thermal conductivity
  • Good chemical resistance
  • Good transfer of lubricant onto the interacting sliding partner
  • Good passivation of the interacting sliding partner
  • Impervious to high edge loading

In damp environments, in particular, this sliding layer system provides outstanding protection against corrosion. Moreover, lead and PTFE are extremely nonabsorbent. Absorption of the surrounding fluids with consequent swelling of the materials is prevented, as is chemical damage to interacting sliding partners. The result is dimensional stability and optimum corrosion protection during use.

Application description

In normal operation, the lamellae of the fire damper are closed and are never
opened, or if so, then very rarely. Fire dampers are installed in building
ventilation systems in order to prevent fire and smoke spreading via ventilation
lines. In the event of fire, fire dampers are opened so that toxic fumes can be
Fire damper Ventilation system extracted. Fire dampers are sometimes
mandatory as safety components according to § 14 of the German Model
Building Ordinance (MBO). Fire dampers are also used for normal ventilation in
building technology.

 

(Picture for example)

Information about the products

Detailed product information

PAP P10

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