LVC40 Air Transfer Grille

Lorient Polyproducts Ltd Third party certifications:
  • Certifire Certificate

    Certifire Certificate

    Certificate type

High performance circular vision style intumescent air transfer grille.

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Application

Suitable for doors, walls and ducts. Please note in applications where high levels of humidity or wetness are anticipated, it is recommended that an LVHC44 product should be employed.

Description

A high performance, standard vision intumescent air transfer grille for doors, walls and ducts. Ideal for toilet extraction systems in residential premises, hotels and many other buildings. The design allows space savings, ease of installation and avoids the need for operational function checks.

Features and benefits:

  • No need for “round to square to round” adapters.
  • Fits directly into ducts, doors or wall apertures.
  • No moving parts.
  • Excellent fire integrity + insulation performance.
  • Not prone to clogging.
  • No access panels required.
  • No moving parts.
  • Robust construction.
  • No maintenance.
  • Use with metal cover grille (optional).
  • Other non-standard sizes may be available - consult the manufacturer for details.

Test evidence:

Fire: BS 476-20 and 22:1987. Fire: BS EN 1634-1:2014. Fire: BS EN 1634-5:2017.

Performance:

Can be used to provide up to 60 minutes resistance to fire. EI rating of 120 minutes when used in conjunction with a cover grille. Consult the manufacturer's Technical Department for details.

Orientation:

LVC40 products can be installed either vertically or up to 300 mm diameter horizontally.

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.

Application:

Suitable for doors, walls and ducts. Please note in applications where high levels of humidity or wetness are anticipated, it is recommended that an LVHC44 product should be employed.

General information

Size

See 'Options' below and insert requirements.

Finish

Silver as standard

Material

Polyvinyl chloride (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

LVC40 Air Transfer Grille

Size

See 'Options' below and insert requirements.

Accessories

None

Cover grille

Standard product features

Thickness:

40 mm.

Free area:

Low sound power level +.

Material

Polyvinyl chloride (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 mm diameter nominal size damper will suit a 200 mm diameter aperture. Screwed and bedded in Lorient intumescent sealant.

Product Options

Size:

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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