LVN20S Fire Plus Smoke Resistant Air Transfer Grille

Lorient Polyproducts Ltd Third party certifications:
  • Certifire Certificate

    Certifire Certificate

    Certificate type

High performance non-vision fire plus smoke air transfer grille.

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Application

Suitable for doors. Note: in applications where high levels of humidity or wetness are anticipated, Consult the manufacturer's Technical Department for alternatives.

Description

The LVN20S provides a unique solution to the problem of containing both fire and smoke in emergency conditions yet offering good air transfer through doors in everyday use. Using the same intumescent louvred slat configuration as the LVN20 but incorporating an electro mechanically operated smoke shutter mechanism. Can provide up to 60 minutes fire and smoke resistance

Features and benefits:

  • Contains cold smoke plus toxic gases remote from source of fire.
  • Simple installation.
  • Auto reset plus failsafe.
  • Safe low DC voltage.
  • Status reporting plus auto-cycling via Talkback Damper Control Monitor (DCM).
  • Optional audio warning facility.
  • Connects to fire panel plus/or building management system (BMS).
  • BMS alarm notification via Alarm Monitoring System (AMS).
  • Nominal 5 mA current open/closed.
  • Max 200 mA in operation.
  • Allows bi-directional airflow.
  • Louvred slats give privacy.
  • Use with talkback damper control system. Conductor hinges. Optional Alarm Monitoring System (AMS) and battery backup.
  • Other non-standard sizes may be available - consult the manufacturer for details.

Test evidence:

Fire: BS 476-20 and 22:1987. Smoke: BS 476-31.1:1983 (shutterplate).

Performance:

Can be used to provide up to 60 minutes resistance to fire plus cold smoke.

Orientation:

LVN20S must be used in the vertical plane.

Positional requirements:

Certifire: The upper edge of the grille shall be no higher than 800 mm from floor level. Test Report Applus 19/19940-1428: The upper edge of the grille shall be no higher than 1350 mm from floor level.

Application:

Suitable for doors. Note: in applications where high levels of humidity or wetness are anticipated, Consult the manufacturer's Technical Department for alternatives.

General information

Size

See 'Options' below and insert requirements.

Finish

Silver as standard

Material

Rigid PVC slats with an intumescent core. Steel or aluminium flange. Electro mechanically operated smoke shutter mechanism

Uniclass 2015

Pr_30_59_94_32 Fire-resisting air transfer grilles with smoke shuttersPrimary

CAWS

L20/20 Wood flush doors

L20/230 Wood flush doors

L20/25 Wood panelled doors

L20/250 Wood panelled doors

L20/270 Wood doors

L20/280 Doors

L20/30 Wood doors

L20/410 Wood doorsets

L20/420 Wood doorsets

L20/430 Wood doorsets

L20/480 Doorsets

L20/55 Doorsets

P21/66 Door mounted air transfer grilles

P21/896 Door mounted fire resisting air transfer grilles

P21/897 Door mounted fire resisting air transfer grilles with smoke shutter

Specification data - Fire-resisting air transfer grilles with smoke shutters

Product Reference

LVN20S Fire Plus Smoke Resistant Air Transfer Grille

Size

See 'Options' below and insert requirements.

Accessories

None

Alarm Monitoring System (AMS) and battery backup

Standard product features

Thickness:

Two pieces x 20 mm.

Free area:

30% free area (approximately).

Material

Rigid PVC slats with an intumescent core. Steel or aluminium flange. Electro mechanically operated smoke shutter mechanism.

Finish:

Silver as standard.

Fixing

Each damper is manufactured 2 mm less than a nominal aperture size to provide clearance when installed in a duct or other aperture of the same nominal dimensions. e.g. a 198 x 198 mm nominal size damper will suit a 200 x 200 mm aperture. Screwed into door with an aperture lined with Lorient intumescent liner (B24402).

Product Options

Size (w x h):

Up to 600 mm diameter (nominal to suit standard PVC pipes or steel ducts).

Literature

Specialised Fire Resistant Door Hardware

Specialised Fire Resistant Door Hardware

Third party certifications

  • CF564

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