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Tsurumi pumps have been used in thousands of tunnel projects across the globe. Its experience has helped develop industry leading products that are reliable, powerful and easy to maintain. The company’s stand at IUT 2011, the underground and tunnel construction fair held in a disused mine in Sargans, Switzerland, will highlight these values. Tsurumi will exhibit a selection of durable pumps from its 250 strong product range. Both full scale and cross-section models, which show the inner workings of the pump, will be on display. The company will also highlight its heavy-duty pump cable designed specifically for underground construction. Tsurumi will focus on its key product features at the event, including: - Safe and reliable: Safety in underground and tunnel construction is paramount. Pumps that remove residual water and ensure on-site safety must be reliable. Tsurumi’s pumps have a reputation for strength and provide many years of reliable service. Their long-life can be attributed to several innovations unique to the company. These include a watertight box that ensures no water can ingress at the cable entry; a dry-running capability that means the pump does not need a constant flow of water to remain cool; a double-mechanical seal inside the oil bath to significantly reduce wear; and a patented oil lifter that reduces erosion on the double-mechanical seal. - Power in the deep: Tsurumi’s pumps deliver the power and performance to tackle any tunnelling job. Its pumps can reach heads of up to 177 m and have capacities of more than 12,500 l/min. The company’s endurance pumps can be used in deep wells and withstand depths of up to 50 m. Tsurumi will display a wide range of its heavy-duty pumps used in rugged underground applications. - Easy maintenance: Tsurumi’s pumps are built to last. They are designed for easy maintenance and quick repair. Their simple yet robust construction means they can be dismantled using basic tools (a screwdriver or spanner) and technicians need only basic training to handle maintenance. - Heavy-duty pump cable: A ruptured pump cable is the most common cause of failure. In tunnelling, rugged conditions, lack of light and use of heavy machinery often increases this problem. To minimise the risk of this, Tsurumi Europe has introduced a heavy-duty pump cable option for its pumps. The cable can withstand very high mechanical stress and has a tensile strength of 15 N/mm2. It is unaffected by extreme heat or cold and is Ozone resistant, which stops the formation of cracks. It is also coloured a bright yellow to improve visibility. Current projects Tsurumi pumps are currently working on two major European tunnel projects. The first is the Marmaray project in Istanbul, Turkey, which will be Europe’s first ever intercontinental underwater rail link. It passes under the Bosphorus Straits and is the world’s deepest immersed tube tunnel, made from the largest prefabricated tunnel sections ever built. Around 90 Tsurumi pumps are in use at the €2.1 billion project, 40 of which are residual dewatering pumps known as the “Puddle Suckers”. The pumps perform two tasks, they transport concrete and improve the safety of the site by removing residual water. The second major project is the Weinberg tunnel in Zurich, Switzerland, where another 50 Tsurumi pumps are being used. The €426 million project relies on the pumps for safety as they remove the residual water that accumulates during construction. The tunnel will open in 2013. A selection of Tsurumi representatives from its Swiss distributor, Pumpen Lechner GmbH, and European business units will be on hand to welcome visitors at IUT 2011.
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Kako se tuneli kopaju sve dublje, zahtijevi se povećavaju. Tsurumi nudi veliki izbor robusnih i snažnih pumpi, koje zadovoljavaju i najzahtijevnije projekte izgradnje tunela. Višenamjenske Snaga i moć Tsurumijevih pumpi omogućavaju transport širokoga raspona tvari, uključujući zagađenu vodu, gnojnicu, blato, bentonit, cement, korozivne tekućine itd. - skoro bilo što. Sigurne i pouzdane Izgradnja tunela sadrži neke od najintenzivnijih mjera zaštite u industriji. Pumpe koje pridonose sigurnosti gradilišta vas ne mogu iznevjeriti. Tsurumi je kroz svoju dugu povijest razvio proizvode neusporedive pouzdanosti. Ta snaga proizlazi iz više posebnih značajki - kliknite ovdje kako biste saznali više. Lako održavanje Tsurumijeve pumpe su napravljene da traju. Dizajnirane su za lako održavanje i brz popravak. Njihova jednostavna, a opet čvrsta konstrukcija, znači da se mogu rastaviti korištenjem osnovnog alata (odvijača ili ključa za vijke), a tehničari trebaju imati samo osnovnu obuku, kako bi ih mogli održavati. Snaga Pumpe mogu doseći do 177 m visine, te imaju kapacitete do 12,500 l/min, s veličinom motora od 0.4 kW do 110 kW. Ostaci Uklanjanje nakupljene vode je nužno za održavanje sigurnog radnog prostora u izgradnji tunela. Tsurumijeve pumpe za odvodnjavanje nakupljene vode mogu isprazniti velika područja vode, smanjujući razinu vode do čak 1mm. Tvrtkina LSC serija je zapravo poznata pod nazivom 'Isisavač Lokvi' zbog svojih neusporedivih osobina. Kabel za teške uvjete Prekinuti kabel je najčešći razlog kvara pumpe. Tsurumi nudi kablove za teške uvjete rada za svoje pumpe koja mogu podnijeti veliko mehaničko opterećenje te imaju vlačnu čvrstoću od 15 N/mm2. Pritisak Ime Tsurumi je sinonim za snagu. Njegove izdržljive pumpe mogu podnijeti veoma visok pritisak, kakav se nalazi u dubokim vodama.