How the SD-L works.
A narrow slot outlet in the step riser that discharges the air with a twist. At ankle height the air is already mixed; then it rises gently as displacement.
Applications: auditoria, conference halls, sports arenas, theatres, cinemas; suited to refurbishment (p. 2).
Krantz, Linear step twist outlet SD-L, DS 4187 E 07.2014.
Technical data SD-L
- Max. ΔT cooling
- supply – room max. −5 Kp. 2
- Volume flow
- recommended 36 m³/hp. 2
Krantz, Linear step twist outlet SD-L, DS 4187 E 07.2014.
Page numbers are PDF pages of the data sheet.
Download documents
Air
| Property | Value · Source |
|---|---|
| Volume flow | recommended 36 m³/h; maximum 45 m³/h (table 1) or 50 m³/h (features) p. 2 |
| Max. ΔT cooling | supply – room max. −5 K; supply – extract max. −12 K p. 2 |
| Example sound and pressure drop | 29 – 50 m³/h: 5 – 16 Pa, 9 – 25 dB(A) p. 4 |
| Comfort | max. 0.1 m/s bij zittende personen; gradiënt ≤ 1.5 K/m (categorie A, EN 7730) p. 3 |
Design
| Property | Value · Source |
|---|---|
| Sizes | outlet B1 x H1 x T1 = 420 x 80 x 10 mm; recess B2 370 – 380 mm (type 1) / 370 – 410 mm (type 2+3), H2 55 – 75 / 65 – 75 mm p. 2 |
| Materials and finish | galvanised sheet steel, powder-coated RAL 9005 jet black (other colours on request) p. 5 |
| Connections | air from the pressure plenum below the floor p. 3 |
| Options and versions | fixing with screws (S, min. 30 mm), brackets (B, riser 30 – 60 mm) or claws (K, > 60 mm or concrete); 'microslot' technology; other lengths on request p. 5 |
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