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Lorient LVN20S Door Mounted Smoke Control Shutter Grille

Quick Overview

All ducts and airways in doors and walls can be protected against fire and hot smoke using Lorient intumescent air transfer grilles. However, these grilles will not prevent the passage of cold smoke which can be equally dangerous.

To address this problem Lorient has developed a smoke damper/shutter assembly for use in conjunction with Lorient intumescent air transfer grilles. The assembly comprises three slotted plates - two fixed plates sandwiching a central moving plate. The central plate is operated by a fail-safe motorised actuator. A movement of just 10mm changes the relative positions of the slots from “through flow” to “fully closed”.

This product is not stocked and is only available to order, therefore allow additional lead time.  Please ask our Sales Team for details

Other sizes available on request.

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Availability: In stock

Excl. VAT: £357.91 Incl. VAT: £429.49

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Excl. VAT: £357.91 Incl. VAT: £429.49

Details

All ducts and airways in doors and walls can be protected against fire and hot smoke using Lorient intumescent air transfer grilles. However, these grilles will not prevent the passage of cold smoke which can be equally dangerous.

To address this problem Lorient has developed a smoke damper/shutter assembly for use in conjunction with Lorient intumescent air transfer grilles. The assembly comprises three slotted plates - two fixed plates sandwiching a central moving plate. The central plate is operated by a fail-safe motorised actuator. A movement of just 10mm changes the relative positions of the slots from “through flow” to “fully closed”.

As most large buildings will have a significant number of air transfer grilles in various places throughout the building, the Talkback system has been designed to control up to sixteen damper/shutter assemblies from one centralised, status monitoring unit. A unique two-way communication system operates between the Damper Control and Monitor Unit (DCM) and each damper/shutter actuator connected to the system. This monitoring unit allows all the damper/shutter assemblies to be quickly and visually checked to identify and locate any defective shutters.

Talkback is designed to give peace of mind to a building's occupants in that it:

  • is fail-safe – the dampers/shutters will automatically close in the event of an alarm, power failure or damage to the wiring
     
  • resets automatically – when the alarm is cancelled or power restored
     
  • is self-testing – every 24 hours the dampers/shutters are automatically closed and opened to check they are working and to dislodge any dust and debris between the moving parts
     
  • continuously monitors the status of each damper/shutter and displays this on the DCM
     
  • is easy and quick to install – simple loop wiring is used and the damper/shutter units are supplied ready assembled and tested
     
  • uses a safe, low voltage DC supply to open and close the dampers/shutters
     
  • has been successfully tested in accordance with the requirements of the Electro Magnetic Compatibility and Low Voltage Directive and therefore bears the CE mark.

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