Marine Defrosting Nozzles

The NAW Defrosting Nozzles are designed to supply targeted air onto glazing surfaces, supporting effective window demisting and defrosting in areas where clear visibility is required. Typical installation areas include vessel bridges, wheelhouses and operator stations.

In these spaces, visibility may be affected by condensation, low external temperatures, humidity or temperature differences between the interior and the external environment. The ball-type head allows the airflow direction to be adjusted within a +/-30 degree range, enabling precise positioning of the air jet after installation and helping direct conditioned air onto the required glass area.

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See full specs, material combinations and geometries in our detailed catalogue.

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Key Features

  • Targeted air supply for glazing – designed to direct air onto windows and glazed surfaces in bridges, wheelhouses and operator stations.
  • Adjustable head ±30° – The ball-type head enables local correction of the airflow direction after installation.
  • Integrated opening and closing ring – The turning ring allows quick opening, closing and airflow regulation without removing the nozzle.
  • DN80 Spiro duct compatibility – The galvanized steel socket is suitable for connection to DN80 Spiro ductwork.
  • Lightweight construction – The nozzle and sleeve are made of plastic, supporting low component weight and easy handling during installation.
  • Grey or black design – The nozzle is available in grey or black to support visual integration with bridge and interior panel design.

Technical Data

NAW Defrosting Nozzle parameters:

Parameter Data
Product type NAW
Product name Defrosting nozzle
Application Glazing demisting and defrosting
Typical use Bridges, wheelhouses, operator stations
Airflow adjustment +/-30 degrees
Airflow regulation Integrated turning ring
Front diameter Ø120 mm
Mounting holes 3 x Ø3.5 mm
Socket diameter Ø80 mm
Socket material Galvanized steel
Nozzle / sleeve material Plastic
Colours Grey or black
Weight 0.1 kg

Targeted Visibility Support

  • Supports clear visibility where glazing is exposed to condensation and humidity.
  • Helps reduce the effect of low external temperatures and temperature differences.
  • Directs conditioned air onto the required glass area after final positioning.

Installation & Use

  • Suitable for DN80 Spiro duct connection.
  • Easy airflow regulation through the integrated turning ring.
  • Lightweight component design supports simple handling and installation.