NKZ

Description

Over-pressure duct dampers are used for low pressure ventilation, for heating and for ventilation where equalisation of the pressures between neighbouring areas is necessary and in areas where automatic interruption of air supply or air exhaust is required after exclusion of a fan.

Construction

• supply or exhaust
• supporting frame with flanges
• aluminium horizontal swinging blades
• soft tape placed on each blade silences the noise upon closing

Material

Blades: aluminium sheet metal

Material options for the supporting frame:

• galvanized sheet metal
• aluminium sheet metal
• stainless steel sheet metal AISI 304

Installation

Between ducts with a flange.

Dimensions

Product Code