Type DUK

For installation into walls and onto rectangular and circular ducts, adjustable and fixed – made of aluminium

Adjustable and fixed jet nozzles achieve long throw distances and have excellent acoustic properties

  • Nominal sizes: 100, 125, 160, 200, 250, 315 and 400 mm
  • Volume flow rate range: 15 to 400 l/s or 54 to 1440 m³/h
  • Visible parts made of aluminium
  • For variable and constant volume flows
  • Low sound power levels due to aerodynamically optimised nozzle contours
  • Discharge angle can be adjusted manually or with an actuator
  • Quick and easy to fix, concealed fixing


Optional equipment and accessories

  • Exposed surface in RAL CLASSIC colours
  • Circular spigot
  • Connection pieces for circular and rectangular ducts
  • Internal or external actuators for adjusting the discharge angle

DUK-V 00189947_0


  • Application
  • Description

Application

  • Type DUK jet nozzles for supply air discharge, with a long throw distance
  • For production halls, gymnasiums, theatres and conference rooms as well as for large internal spaces in airports, railway stations and shopping centres
  • Attractive design element for building owners and architects with demanding aesthetic requirements
  • For supply air to room air temperature differences from –12 to +20 K
  • Adjustable discharge angle, from –30 to +30°, for switching between heating and cooling mode
  • For push fitting directly onto circular ducts or as a branch off circular or rectangular ducts; also for installation into walls and bulkheads

Special characteristics

  • High discharge momentum, hence large penetration depth in heating mode
  • Optimised nozzle contours
  • Fixed and adjustable variants
  • Discharge angle can be adjusted from –30° to +30°, either manually or with an actuator
  • Electric actuator as an option

Nominal sizes

  • 100, 125, 160, 200, 250, 315, 400 mm

From nominal size 160 with actuator

Variants

  • F: Fixed jet nozzle
  • V: Adjustable jet nozzle


Connection

  • V-A: For circular ducts (direct connection)
  • V-K: For rectangular ducts
  • V-R: For circular ducts


Actuator

  • Manual adjustment
  • E*: Internal or external electric actuator

Parts and characteristics

  • Nozzle with acoustically optimised contours

Useful additions

  • TDC temperature difference control module

Construction features

  • Spigot (optional) suitable for circular ducts to EN 1506 or EN 13180.

Materials and surfaces

Fixed

  • Nozzle made of aluminium
  • Untreated surface


Adjustable

  • Nozzle and face cover ring made of aluminium
  • Spherical nozzle casing ring, casing, saddle connector and spigot made of galvanised sheet steel
  • Spherical nozzle casing made of plastic, UL 94, V-0, flame retardant, heat resistant up to 50 °C
  • Nozzle and face cover ring untreated
  • Spherical nozzle casing similar to RAL 9010, white
  • P0: Nozzle and face cover ring powder-coated RAL 9010, pure white
  • P1: Nozzle and face cover ring powder-coated, RAL CLASSIC colour

Standards and guidelines

  • Sound power level of the air-regenerated noise measured according to EN ISO 5135

Maintenance

  • Maintenance-free as construction and materials are not subject to wear
  • Inspection and cleaning to VDI 6022

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