S&P MAA-CTB Duct Silencer, Flange, Spigot
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Description
Description
S&P MAA-CTB is a rigid silencer designed specifically for the S&P roof fans CTB ECOWATT PLUS. It is made of galvanised sheet steel with a perforated inner tube; the insulation material is mineral wool, according to S&P non-combustible to DIN 4102, building material class A1.
According to the S&P roof accessories data sheet, the silencer has a socket at the top to take the CTB ECOWATT and a flange connection at the bottom.
Technical data
Technical data
| Manufacturer | S&P |
|---|---|
| Suitable for | roof fans CTB ECOWATT PLUS |
| Casing | galvanised sheet steel, perforated inner tube |
| Insulation | mineral wool, non-combustible to DIN 4102, building material class A1 |
| Model | Article number | ØD (mm) | B (mm) | L (mm) | P (mm) | P1 (mm) |
|---|---|---|---|---|---|---|
| MAA-CTB 400/160 | 8070404257 | 160 | 260 | 480 | 60 | 110 |
| MAA-CTB 500/200 | 8070404258 | 200 | 315 | 480 | 60 | 110 |
| MAA-CTB 800/250 | 8070404259 | 250 | 355 | 480 | 60 | 110 |
| MAA-CTB 1300/315 | 8070404260 | 315 | 355 | 480 | 60 | 110 |
Sound attenuation according to S&P in dB per octave centre frequency:
| Model | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz | 8000 Hz |
|---|---|---|---|---|---|---|---|
| MAA-CTB 400/160 | 2 | 6 | 9 | 15 | 18 | 15 | 2 |
| MAA-CTB 500/200 | 2 | 5 | 10 | 16 | 14 | 11 | 7 |
| MAA-CTB 800/250 | 0 | 5 | 10 | 13 | 12 | 10 | 8 |
| MAA-CTB 1300/315 | no data | no data | no data | no data | no data | no data | no data |
Features
Features
- According to S&P, one counter flange FL-MAA-CTB is required per silencer (FL-160, FL-200, FL-250 or FL-315 MAA-CTB, matching the nominal diameter).
- Dimension letters according to the S&P dimension drawing; ØD is the connection diameter, L the length.
Note on variants
Note on variants
The selection states the S&P type. The first number refers to the size of the CTB ECOWATT PLUS (for example 400), the second to the connection diameter in mm (for example 160).
Data sheets and manuals (PDF)
Data sheets and manuals (PDF)
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