Series R78

Properties
Technical data
Characteristics

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:	11 sizes
Diameter:	from 250 to 800 mm
Material:	bright-finished sheet steel, galvanized or powder-coated
Process:	welded version
Type:	single/double flow
Recommended housing:
Inlet nozzle:	ED 9

Characteristics

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.