The Andritz AD is specially developed for liquids with high gas share / air quality. This pump is equipped with a semi-open impeller, after which a vacuum pump is built directly on the pump shaft. This pump is self-priming.
Flow rates up to: 2.000 m³/hr
Heads up to: 75 m
Casing pressure: 16 Bar
Temperature: -20ºC tot +90ºC
According to: Process norm
The following matrices can be used: Cast iron (GG20), duplex (1.4460).
Half open impeller placed behind a wear plate to protect the pump housing.
The pump shaft seal is made with a single mechanical seal following DIN24960 or double mechanical seal (tandem arrangement). The composition of materials are able to put together by customer specifications. A artridge seal is also possible.
Standard B3 IEC engine can be supplied from any brand. ATEX engines are also possible.
These pumps are used where a high air share or gas share is present in the liquids. For example: Slurries, the paper industry or the potato starch industry.