How the VA-S works.
A swivelling face below the duct: slightly upward for cooling (+10°), angled downward for heating (−35°).
Applications: production and work areas where outlets cannot be placed near the occupied zone; press shops, printing works (p. 2, p. 7).
Krantz, Swivel displacement outlet VA-S, DS 1276 E 05.2010/2.
Smoke test
Airflow in the Krantz lab.
A real smoke test in the Krantz flow laboratory: this is how air leaves the VA-S.
Technical data VA-S
- Discharge height
- 3 to 5 mp. 3
- Max. ΔT cooling
- max. −8 Kp. 3
- Volume flow
- 960 – 4,320 m³/hp. 3
Krantz, Swivel displacement outlet VA-S, DS 1276 E 05.2010/2.
Page numbers are PDF pages of the data sheet.
Download documents
Air
| Property | Value · Source |
|---|---|
| Volume flow | 960 – 4,320 m³/h; max. specific 280 / 390 / 1,800 m³/(h·m) for activity level II / III / IV (VDI 3802) p. 3 |
| Max. ΔT cooling | max. −8 K (±8 K supply – room) p. 3 |
| Max. ΔT heating | max. +8 K p. 3 |
| Discharge height | 3 to 5 m p. 3 |
| Penetration depth / throw | primair koelen 6 – 15 m, verwarmen 3 – 15 m; max. toevoerdiepte ca. 1.5 x primair (tot ca. 20 m) p. 3 |
| Example sound and pressure drop | diagram p. 3: approx. 40 – 62 dB(A), up to approx. 220 Pa p. 3 |
Design
| Property | Value · Source |
|---|---|
| Sizes | nominal length 1,200 / 1,600 / 2,000 / 2,400 mm; 3 – 6 swirl elements; weight 36 – 65 kg p. 2 |
| Materials and finish | housing and perforated plate galvanised sheet steel; swirl elements polystyrene, flame-retardant (B1, DIN 4102 – 1) p. 4 |
| Connections | connection flange to rectangular duct to EN 1505 p. 4 |
| Options and versions | air distribution element pivots from +10° (cooling) to −35° (heating); manual or Siemens actuator (0 – 10 V, 3-point 24 V or 230 V), left or right p. 4 |
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