adhesive primer

Delivery of Dispersion-Containing Plaster Primer

The TORNADO® T.Proc® rotary lobe pump delivers highly abrasive primer 

The TORNADO® T.Proc® rotary lobe pump is used in the building materials industry to pump highly abrasive products such as primers and has a long service life.

One of the products which the building materials manufacturer Knauf makes in Iphofen is a concrete primer.

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TORNADO® T.Proc® Rotary Lobe Pump Delivers Dispersion-Containing Plaster Primer

Look behind the scenes

What is intended to ensure that plaster evenly bonds onto smooth walls in construction does however create problems when filling: the plaster primer contains dispersion and has a mineral solid content of around 60 percent, which has an effect like emery paper in the rotary lobe pump feeding the filling station.

Challenge accepted

The high annual production capacity on the mixing system meant a considerable maintenance effort. "At busy times we were repairing the pump every 3 to 4 weeks," reports the Maintenance Manager of the company. Reason enough to look round for an alternative and this was found with NETZSCH.

5000

kilogram per hour throughput volume

Excellently solved

A TORNADO® T.Proc® 08/45 BD-E was installed in April 2012. So as to be equipped for challenges of this kind, the whole materials concept of conventional rotary lobe pumps was reversed when the TORNADO® was redesigned: two lobes made of hardened steel are used here, which rotate in a geometrically adapted elastomer insert, instead of the standard elastomer lobes. This means energy is saved, wear is reduced and the service life of the pump is increased overall. At the time of the first inspection, the pump had already delivered double the volume of the conventional rotary lobe pump used up to this point. Only 60% of the maximum speed had been reached at this time. "So we still have a lot more potential," said an NETZSCH Expert. "Based on the operating time so far, the T2 can certainly achieve three times the service life." This supposition has now been confirmed after six months' operation: with 3-4 times the conveyance there has been more than three times the service life.

TORNADO® T.Proc® rotary lobe pump

Product: Plaster primer
Throughput volume: Between 1.500 and 5.000 kg/h

TORNADO® T.Proc® Rotary Lobe Pump by NETZSCH Pumps & Systems