DUK

Actuator

Connection to circular ducts

DUK-V

DUK-F

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

Adjustable and fixed jet nozzles for long throw distances with optimum acoustic properties

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

Optional equipment and accessories

Exposed surface in RAL CLASSIC colours
Circular spigot
Connecting piece for circular and rectangular ducts
Actuators for adjusting the discharge angle

General information

Application

Jet nozzles as supply air diffusers, with a long throw distance
For factories, 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 – +20 K
Adjustable discharge angle from -30 – +30°, for switching between heating and cooling mode
Connection options:

Push-fit connection onto circular air ducts (pipe connection)
As a direct branch from circular and rectangular air ducts
For installation in walls or 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° – +30°, either manually or with an actuator
Electric actuator optional

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: Pipe connection
V-K: For rectangular air ducts
V-R: For circular air ducts

Actuator

Manual adjustment
E*: electric actuator, external

Parts and characteristics

Nozzle with acoustically optimised contours

Useful additions

TDC temperature difference control module

Construction features

Spigot (optional) suitable for circular air ducts according to DIN EN 1506 or DIN EN 13180

Material and surfaces

Fixed

Nozzle made of aluminium
Surface: untreated

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, flameretardant, temperature-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 DIN EN ISO 5135

Maintenance

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

Tehničke informacije

Schematic illustration of DUK-V

1 Nozzle
2 Face cover ring
3 Casing
4 Spigot

Optional
5 Actuator
6 driving linkage

DUK

Functional description
Jet nozzles allow for supply air distribution over long distances. The airflow direction is adopted to the heating and cooling mode by adjusting the discharge angle. The supply air to room air temperature difference may range from -12 – +20 K.

Cooling mode

Cooling mode is carried out with a positive discharge angle of up to 30°. The supply air jet is directed towards the ceiling, but is deflected towards the floor as the distance from the jet nozzle increases, due to the higher density of the cooled air. When the supply air jet reaches the occupied zone, both supply air to room air temperature difference and airflow velocity have been reduced to comfortable levels. This principle of operation allows for long throw distances.

Heating mode

Heating operation is carried out with a negative discharge angle of up to 30°. The supply air jet is directed towards the occupied zone. The lower density of the warm air causes the supply air jet to become buoyant. Ideally, the supply air jet reaches the occupied zone with a low supply air to room air temperature difference and airflow velocity. The discharge angle can be changed manually or with an electric actuator.

DUK-F

Functional description

Jet nozzles allow for supply air distribution over long distances. Fixed jet nozzles can be used for heating and cooling mode. The supply air to room air temperature difference may range from -12 – +20 K.

Cooling mode

Due to the higher density of the cooled air, the horizontal supply air jet is directed towards the floor with increasing distance from the jet nozzle. When the supply air jet reaches the occupied zone, both supply air to room air temperature difference and airflow velocity have been reduced to comfortable levels.

Heating mode

The supply air is discharged horizontally, but due to the lower density of warm air the supply air jet becomes buoyant. Ideally, the supply air jet reaches the occupied zone with a low supply air to room air temperature difference and airflow velocity.

Nominal sizes	100, 125, 160, 200, 250, 315, 400 mm
Volume flow rate range	15 – 400 l/s or 54 – 1440 m³/h
adjustable discharge angle	–30 to +30°
Supply air to room air temperature difference	–12 to +20 K

This specification text describes the general characteristics of the product. Texts for variants can be generated with our Easy Product Finder design programme.

Fixed and adjustable jet nozzles for the ventilation of large internal spaces such as halls and assembly rooms. Air discharge with long throw distance and optimal acoustic properties. For horizontal air discharge; variants with fixed discharge angle, adjustable air discharge (360°), or with a vertical swivelling range of –30 and +30°. Fixed nozzles with acoustically optimised contours and countersunk holes for screw-fixing to a plane surface. Adjustable jet nozzles include a spherical nozzle casing and a casing with a spigot, flanged collar or saddle connector. For push fitting directly onto circular ducts (duct connection) or as a direct branch off circular or rectangular ducts; also for installation on plane surfaces.

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° – +30°, either manually or with an actuator
Electric actuator optional

Material and surfaces

Fixed

Nozzle made of aluminium
Surface: untreated

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, flameretardant, temperature-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

Technical data

Nominal sizes: 100, 125, 160, 200, 250, 315, 400 mm
Volume flow range: 15 – 400 l/s or 54 – 1440 m³/h
Adjustable discharge angle: -30 – +30°
Supply air to room air temperature difference: -12 – +20 K

Sizing data

qv [m³/h]
Δpt [Pa]

air-regenerated noise

LWA [dB(A)]

DUK

–

250

630

P1 - RAL 9016

1 Type
DUK Jet nozzle

2 Discharge direction
F fixed
V adjustable

3 Connection
Applies to discharge direction V only
No entry: without spigot
A Pipe connection spigot (axial)
K Duct connection spigot
R Saddle connector

4 Adjustment
No entry: manual adjustment
From nominal size 160

External electric actuator
E1 230 V AC, 3-point
E2 24 V AC/DC, 3-point
E3 24 V AC/DC, modulating, 2 – 10 V DC

5 Nominal size [mm]
100, 125, 160, 200, 250, 315, 400

6 Circular duct diameter [mm]
Only for connection R
200 (nominal size 100)
250 (nominal size 125)
315 (nominal size 160)
500 (nominal sizes 160 – 315)
630 (from nominal size 160)
800 (from nominal size 160)

7 Exposed surface
No entry: without surface finish
P0 powder-coated, RAL 9010 (pure white)
P1 powder-coated, specify RAL CLASSIC colour

Gloss level
RAL 9010 GU 50
RAL 9006 GU 30
All other RAL colours GU 70

Order example: DUK-V-R-E1/250×630/P1-RAL9016

Type	DUK
Air discharge direction	adjustable
Connection	saddle connector
Adjustment	230 V AC, 3-point
Nominal size [mm]	250
Circular duct diameter [mm]	630
Exposed surface	Powder-coated, RAL 9016 (traffic white)

Učitavanje

Informacije o proizvodu

Product data sheet Actuators – Heating/Cooling

PD_2017_03_Heating_cooling_DE_en Product data sheet 670 KB pdf
Product data sheet Actuators – Modulating actuators

PD_2017_03_Variable_DE_en Product data sheet 430 KB pdf
Product data sheet DUK

DUK_PD_2025_06_03_DE_en Product data sheet 840 KB pdf
Serija DUK

T 1.2/2/SR/1 5,2 MB pdf

Sertifikati

Declaration of hygiene conformity Type DUK

DUK_HC_2024_05_DE_en Hygiene certificate 1,7 MB pdf
Environmental product declaration DUK

DUK_EPD_2024_11_DE_en Environmental product declaration 920 KB pdf
Non-CE Manufacturer's statement DUK

DUK_NotCE_2022_02_08_14_27_06_DE_en Certificate 1,9 MB pdf

Uputstva za rukovanje

Installation manual

A00000070338 Type DUK 590 KB pdf

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DUK

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

General information

Tehničke informacije

Učitavanje

Informacije o proizvodu

Product data sheet Actuators – Heating/Cooling

Product data sheet Actuators – Modulating actuators

Product data sheet DUK

Serija DUK

Sertifikati

Declaration of hygiene conformity Type DUK

Environmental product declaration DUK

Non-CE Manufacturer's statement DUK

Uputstva za rukovanje

Installation manual

TROX USLUGE

TEHNIČKI NEOPHODNI KOLAČIĆI

STATISTIKA I ANALIZA INTERNET STRANICE

KOMFOR I PERSONALIZACIJA

ZA BOLJI DOŽIVLJAJ TROX INTERNET STRANICE