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Augustaburg tunnel, Erfurt

The Project:


Construction of a railway tunnel with a length of 1480 m.


Executing companies:

ARGE Tunnel Augustaburg, Erfurt

Hochtief Construction AG, Frankfurt

Alpine Bau Deutschland GmbH


The Problem:


Drainage during the underground tunnel heading.


Our Solution:


A Use of type KTZ32.2 submersible pumps operated in 24-hour snore mode for drainage purposes during the tunnel heading. Thanks to their special properties including their internal rotating mechanical seal and upstream shaft protection sleeve with seal, the Tsurumi pumps can be operated in 24-hour snore mode.


The advantages of this design are:

  • Extended service lives
  • Lower costs for spare parts
  • Lower labour costs

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U slučaju abrazivnog i korozivnog korišćenja, u nekim komponentama može doći do prirodnog habanja. U pogledu gornje primene do habanja može doći pre svega kod rotora, agitatora, usisne ploče, rukavca vratila, uljanog prstena, mehaničke zaptivke, kućišta pumpe, sita, kućišta motora i ispusne spojnice. Radni vek ovih delova može znatno da varira zavisno od radnih uslova i može biti kraći od garantnog perioda.
U tom smislu obratite pažnju na naše opšte uslove korišćenja koje vam takođe na zahtev šaljemo poštom.