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Tunnel Brixlegg, Austria

The Project:


Construction of a 4,200 m long railway tunnel


Executing company:

ARGE H2 Tunnel Brixlegg

Porr Tunnelbau

G. Hinteregger &Söhne

Östu Stettin


The Problem:


Open drainage during the tunnel heading. The ARGE H2 Tunnel Brixlegg is building the 4,200 m long railway tunnel in a construction time of 20 months. In order to keep to this schedule, up to five headings will be worked at the same time. The 2,276 m long exploration gallery, which was completed in 2001, serves in part for supplying the headings. In the course of the work the exploration gallery will be enlarged to serve as a rescue gallery. In addition the creation of a 330 m long access gallery from the centre of Brixlegg is planned. Crosscuts at intervals of 500 m are being constructed.


Our Solution:


Use of submersible pumps of type KTZ32.2, these operating in 24-hour snore mode.

Thanks to their special properties including their internal rotating mechanical seal and upstream shaft protection sleeve with seal, these Tsurumi pumps can be operated in 24-hour snore mode.

In het geval van schurend en corrosief gebruik, zullen bepaalde componenten van nature sneller verslijten. Met betrekking tot bovenstaande toepassing kan slijtage met name optreden in de waaier, de roerder, het zuigdeksel, de asbus, de oliering, de mechanische asafdichting,het pomphuis, de zuigkorf, de motorbehuizing en de afvoerkoppeling. Afhankelijk van de werkingsomstandigheden kan de levensduur van die onderdelen aanzienlijk variëren en kan deze korter zijn dan de wettelijke garantieperiode.
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