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NBS Source

LVN25 Air Transfer Grille

Verified by manufacturer 2 months ago

Lorient Third party certifications:
  • Certifire Certificate

    Certifire Certificate

    Certificate type

High performance non-vision style intumescent air transfer grille.

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+44 (0)1626 834252 www.lorientuk.com

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

The LVN25 is a non-vision intumescent air transfer grille supplied in two halves to accommodate door thicknesses up to 50 mm. When finished with a colour co-ordinated edge flange, it results in an attractive but efficient air transfer feature.


Features and benefits:

  • 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.
  • Integral steel or aluminium flanges.
  • Integral steel or aluminium flanges.
  • Other non-standard sizes may be available - consult the manufacturer for details.
  • The upper edge of the grille shall be no higher than 800 mm from floor level.
  • LVN25 is best suited in the vertical plane.

General information

Color

Silver

Material

Polyvinyl chloride (PVC)

Length

Thickness: 2 pieces x 25mm.

-

Width

100mm - 600mm (in 50mm increments).

-

Height

100mm - 600mm (in 50mm increments).

-

Uniclass

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

Specification data - Fire-resisting air transfer grilles

Standard

To BS 476-20 and BS 476-22.

Category

Intumescent.

Fire resistance (minimum)

60 minutes.

Material and finish

Rigid polyvinyl chloride (PVC).

Colour

Silver.

Thickness

25 mm.

Two pieces each 25 mm.

Free area

30% free area (approximately).

Literature

Air Transfer Grille Installation Manual

Air Transfer Grille Installation Manual

Fire and Smoke Resistant Dampers / Air Transfer Grilles

Fire and Smoke Resistant Dampers / Air Transfer Grilles

Lorient Air Transfer Grille Product Selector

Lorient Air Transfer Grille Product Selector

Third party certifications

Certifire Certificate

Certifire Certificate

Certifire CF564

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