NBS Source

Description

An adjustable aluminium glazed-in window ventilator, with 40 mm high blades, available in two finishes.

Features:

  • Provides intensive ventilation.
  • Louvre blades are Z-shaped on the outside and rounded on the inside.
  • Manufactured to the required dimensions of the opening.
  • Designed to fit into timber, aluminium or PVC-U window frames.

General information

Finish

Enamelled polyester powder coated, colour RAL ___

Satin anodized

Size

As drawing ___

Uniclass

Pr_30_59_57_58 Overhead ventilatorsPrimary

CAWS

H11/140 Louvres

L10/10 Wood windows

L10/15 Wood windows

L10/210 Wood windows

L10/25 Aluminium windows

L10/260 Wood windows

L10/33 Proprietary windows

L10/330 Aluminium windows

L10/335 Aluminium windows

L10/390 Proprietary windows

L10/400 Composite windows

L10/410 Composite windows

L20/250 Wood-panelled doors

Specification data - Overhead ventilators Enhanced data

Standard product features

Free area (open position):

51%.

Height (minimum):

223.5 mm (manual); 473.5 mm (motorized).

Nett airflow (open position):

39%.

Pitch:

50 mm.

Product Options

Finish:

  • Standard: Satin anodized aluminium (15–20 µm).
  • Optional: Enamelled polyester powder coated (60–80 µm), in any RAL colour.

Flange width:

Available in two thicknesses to suit 24 and 28 mm glazing.

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