LVN20 Intumescent Air Transfer Grille - Non-vision

Application

Suitable for doors. Note: in applications where high levels of humidity or wetness are anticipated, itis recommended that an LVH44 product should be employed.

Description

The LVN20 is a non-vision intumescent air transfer grille. Supplied in two pieces it lends itself to easy installation in a standard 44mm thick fire door and when finished with a colour co-ordinated edge flange, results in an attractive but efficient air transfer feature. Use with integral steel or aluminium flanges. No cover grille required.

Test evidence:

Fire: BS 476-20 and 22:1987.

Performance:

Can be used to provide up to 30 minutes resistance to fire.

Orientation

LVN20 is best suited in the vertical plane.

Positional requirements (Certifire):

The upper edge of the grille shall be no higher than 800 mm from floor level.

Features:

  • Louvred slats give privacy
  • Bi-directional airflow
  • No site testing necessary
  • No moving parts
  • Attractive facade on both sides
  • Colour match available
  • Easy to keep clean.

Application:

Suitable for doors. Note: in applications where high levels of humidity or wetness are anticipated, itis recommended that an LVH44 product should be employed.

General information

Size

Consult 'Options' below and insert requirements.

Features

Louvred slats give privacy

Bi-directional airflow

No site testing necessary

No moving parts

Attractive facade on both sides

Show more

Finish

Silver as standard

Material

Rigid PVC slats with an intumescent core

Uniclass 2015

Pr_30_59_94_31 Fire-resisting air transfer grillesPrimary

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

U90/360 Air transfer grilles

U90/360 Air transfer grilles

Specification data - Fire-resisting air transfer grilles

Product Reference

LVN20 Intumescent Air Transfer Grille - Non-vision

Size

Consult 'Options' below and insert requirements.

Standard product features

Thickness:

2 pieces x 20 mm.

Free area:

30% free area (approximately).

Material:

Rigid PVC slats with an intumescent core.

Finish:

Silver as standard.

Fixing:

Each air transfer grille 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 air transfer grille will suit a 200 x 200 mm aperture.Screwed and bedded in Lorient intumescent sealant.

Product Options

Size:

  • Width: 100-600 mm (in 50 mm increments).
  • Height: 100-600 mm (in 50 mm increments).

Literature

Specialised Fire Resistant Door Hardware

Specialised Fire Resistant Door Hardware

Third party certifications

  • CF564

Similar products from Lorient Polyproducts Ltd

LVC40 Air Transfer Grille

LVH44 Intumescent Air Transfer Grille

LVH44 Intumescent Air Transfer Grille

LVHC44 Air Transfer Grille

LVN25 Air Transfer Grille

LVN25S Intumescent Air Transfer Grille

LVN25S Intumescent Air Transfer Grille

LVV40 Intumescent Air Transfer Grille

LVV40 Intumescent Air Transfer Grille