R70 A2/B2
Product features
Efficiency: depending on wheel type/size, max. 82 %
Special features:
- Especially attractive, broad-band noise characteristics
- Special versions with other dimensions
- Also available in special materials on request, such as aluminium, steels (corrosion- or temperature-resistant)
Technical data
Versions: |
10 sizes |
|
Diameter: |
from 315 to 1,000 mm |
|
Material: |
bright-finished sheet steel, galvanized or powder-coated |
|
Process: |
welded version |
|
Type: |
single/double flow |
 |
| Recommended housing: |
R70 6°, R70 7°, R78 6°, R78 7° |
|
| Inlet nozzle: |
ED 10 |
Characteristics A2
The characteristic curve profiles show the product's typical performance range. The characteristic curves apply when using the Punker spiral casing in combination with the pertinent inlet nozzles. The data were arrived at on a Punker standard test rig compliant with DIN 24163/ISO 5801. We reserve the right to make technical changes.
Characteristics B2
The characteristic curve profiles show the product's typical performance range. The characteristic curves apply when using the Punker spiral casing in combination with the pertinent inlet nozzles. The data were arrived at on a Punker standard test rig compliant with DIN 24163/ISO 5801. We reserve the right to make technical changes.
