Air principle
From outlet to occupied zone.
At the outlet
The nozzle in its hemispherical housing forms a circular free jet. (DS 1235e p. 2)
In the room
Angle and lateral direction can still be changed after commissioning: by hand, electrically, or with a thermostatic element acting on the supply temperature. The data sheet recommends 10 – 15° upward for cooling and 15 – 20° downward for heating. (DS 1235e p. 2–5)
Construction
A nozzle in a hemispherical housing with swivel axis. The fixing flange sits in slotted segments with a degree scale; the collar is removable. Optional actuator or thermostatic adjustment unit. (DS 1235e p. 2, p. 8)
Technical data DW-V2
- Min. installation height
- 2.5 mp. 3
- Max. ΔT cooling
- −8 Kp. 3
- Volume flow
- 40 – 3 000 m³/hp. 2
Krantz Components, Swivel jet nozzle DW-V2, DS 1235e 10.2025.
Page numbers are PDF pages of the data sheet.
Download documents
Air
| Property | Value · Source |
|---|---|
| Air distribution | circular free jet, adjustable direction DS 1235e p. 2 |
| Volume flow | 40 – 3 000 m³/h, DN 60 – DN 300 p. 2 |
| Max. ΔT cooling | −8 K p. 3 |
| Max. ΔT heating | +6 K p. 3 |
| Throw | up to 50 m p. 15 |
| Recommended angle | cooling 10 – 15° upward; heating 15 – 20° downward p. 3 |
| Example | DN 150, throw 20 m: 60 Pa at 8.5 m/s discharge velocity; ζ = 1.35 p. 10 |
Design
| Property | Value · Source |
|---|---|
| Min. installation height | 2.5 m (DN 60) to 4.5 m (DN 300) p. 3 |
| Swivel range | ±30° (DN 300: ±21°); lateral ±30° via the fixing flange p. 16 |
| Sizes | DN 60 – DN 300; cut-out Ø 155 – 606 mm; 1.0 – 7.0 kg without actuator (actuator approx. 0.9 kg) p. 7 |
| Material | nozzle and collar aluminium, natural or RAL; spigot and slip-on ends galvanised steel p. 17 |
| Connections | K (flange with collar) · R (spigot for spiral duct) · F (slip-on end for fitting) · B (flexible duct, manual only) p. 4 |
| Adjustment | manual; electric (0 – 10 V or 3-point 24/230 V); thermostatic T1 (20 – 28 °C, no auxiliary energy), from DN 120 p. 4, p. 16 |
Versions and sizes
From DN 60 to DN 300.
- DN 60
- DN 300
DS 1235e p. 7
Finish
aluminium natural or RAL (p. 17)
Location
in the wall or in a gallery parapet (DS 1235e p. 2)
Also available in size DN 300
With ±21° swivel range (p. 16; catalogue, compared with 01.2014)
Applications
Where it belongs.
Large spaces with changing use or changing loads, such as exhibition halls, airports and concert halls (DS 1235e p. 2).
Krantz references in the Netherlands: Chassé Theater, Breda (electric DW-V2 nozzles); De Nobel, Leiden; Kenniscluster, Arnhem; RDM submarine shed, Rotterdam
When not: If the jet reaches too far for the room, look at the DW-V2-…-DR with twist element (throw up to approx. 17 m, DS 1235e p. 3).
Related in the collection
Same family, a different character.
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