Multiplans spjäll för avstängning och överföring mcr WIP/S (KW1/S, 120x160 mm)

Tillverkare: Mercor
Modell: mcr WIP/S (KW1/S)
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Louver damper, cut-off type and for fire ventilation systems.

Teknisk information

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*Product description is based on information provided by the manufacturer about the product. The description and photos are informative, operational changes are possible. In accordance with certain modifications from the manufacturer changes may be made in the description of the product or its parameters.

Brandtålighet: EIS 60, EIS 60 AA, E 120, ES 120 – depending on method of manufacturing, as well as method and place of installation.


  • S – cut-off Brandspjäll
  • V – for fire ventilation systems (smoke exhaust)
  • M – double-function for combined systems
  • T – transfer damper

Range of Applicering:

  • Cut-off spjäll of the mcr WIP typ with a thermal release unit are designed to be used in general ventilation system at points where these systems run through building partitions (mcr FID PRO/S designation). In the event of fire these spjäll enable the partition, through which ventilation and air-conditioning ducts run, to retain its Brandtålighet properties. In normal operating conditions the damper’s screen is open. If fire breaks out, the damper’s screen closes.
  • Brandspjälls of the mcr WIP typ can also be used as transfer spjäll. In this case they are mounted without attachment ducts. The spjäll are designed to enable the partition, in which they are installed, to retain its Brandtålighet properties. In normal operating conditions the spjäll are open. They are closed automatically by a thermal or electromagnetic release. The mcr WIP spjäll used in systems protecting evacuation routes from smoke remain open during fire and supply fresh air to the routes. If fire intensifies, transfer spjäll are closed automatically by thermal releases, preventing the fire from spreading in the vertical evacuation routes.

typs of damper:

  • mcr WIP – rectangular spjäll 
  • mcr WIP – rectangular spjäll that optionally can have round attachments

Control – release:

KW1 mechanism – activated by a return spring with fusible link rated at e.g. 72°C or remotely by an electromagnet (pulse or power break), reSats by means of a lever or additional actuator (Vn= 24V DC or 230V AC).

RST mechanism – activated by a return spring with fusible link rated at e.g. 72°C, manual reSats by means of a lever.

Electrical actuator – activated by a thermocouple rated at e.g. 72°C or remotely, by supply power decay (power break), remote reSats by supplying power (Vn= 24V AC/DC or 230V AC).

Electrical actuator – activated remotely, by supplying power (pulse), remote reSats by resupply of power (Vn= 24V AC/DC or 230V AC).

Dimensions: cut-off spjäll of the mcr WIP typ are manufactured in the following dimensions: Bredd - from 120 to 100mm, Höjd – from 200 to 100mm. Apart from standard dimensions, spjäll can be customised to any size within the specified ranges. Maximum cross-section area of the mcr FID S/P damper is 1 m2 (e.g. 1200x800). Minimum area of a damper is 0.019m2. 

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