LVV40S Fire Plus Smoke Resistant Air Transfer Grille

Lorient Polyproducts Ltd Third party certifications:
  • Certifire Certificate

    Certifire Certificate

    Certificate type

High performance wall mounted fire + smoke air transfer grille.

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Application

Suitable for doors of minimum 50 mm thickness. Note: in applications where high levels of humidity or wetness are anticipated, it is recommended that a LVH44 product should be employed.

Description

Fire and smoke resistant air transfer grille provides a solution to the problem of containing both fire and smoke in emergency conditions yet allowing good air flow in everyday use. Using the same intumescent configuration as the LVV40 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.
  • Use with talkback damper control system. Optional Alarm Monitoring System (AMS) and battery backup. Optional cover grille.
  • Other non-standard sizes may be available - consult the manufacturer for details.

Test evidence:

Fire: BS 476-20 and 22:1987. Fire: BS EN 1364-5:2017. Smoke: BS 476-31.1:1983 (shutterplate).

Performance:

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

Orientation:

LVV40S must be in the vertical plane.

Positional requirements (Certifire):

The upper edge of the grille shall be no higher than 3000 mm from floor level. The lower edge of the grille shall be no closer than 400 mm to floor level.

Minimum wall depth:

Minimum wall thickness 90 mm.

Application:

Suitable for doors of minimum 50 mm thickness. Note: in applications where high levels of humidity or wetness are anticipated, it is recommended that a LVH44 product should be employed.

General information

Size

See 'Options' below and insert requirements.

Finish

Silver as standard

Material

Poly vinyl chloride (PVC) slats with an intumescent core. Electro mechanically operated smoke shutter mechanism

Uniclass 2015

Pr_30_59_94_32 Fire-resisting air transfer grilles with smoke shuttersPrimary

CAWS

U90/360 Air transfer grilles

U90/360 Air transfer grilles

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

Product Reference

LVV40S Fire Plus Smoke Resistant Air Transfer Grille

Size

See 'Options' below and insert requirements.

Accessories

None

Alarm Monitoring System (AMS) and battery backup.

Cover grille

Standard product features

Free area:

30–37% free area (approximately). Size dependent.

Material

Poly vinyl chloride (PVC) slats with an intumescent core. Electro mechanically operated smoke shutter mechanism.

Finish:

Silver as standard.

Fixing

Each fire + smoke air transfer grille is manufactured to size. When ordering please ensure the aperture can accommodate the non-combustible housing and allow up to a 5 mm gap around the perimeter. Screwed and bedded in Lorient intumescent sealant.

Product Options

Size (w x h):

150–600 mm (in 25 mm increments).

Literature

Specialised Fire Resistant Door Hardware

Specialised Fire Resistant Door Hardware

Third party certifications

  • CF564

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