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Home / Articles and Press Releases / Press Release / Light Waste Water Pumps in Hard Rock

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Press Release

Light Waste Water Pumps in Hard Rock

By Tsurumi Pumps

| Read Bio

Published: December 16th, 2019

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Tsurumi made a technological leap forward: While many models already offered exceptional lifetime in abrasive applications, the market leader now achieves up to four times higher values. Older pumps can also be retrofitted.

The manufacturer’s focus is particularly on the dewatering pumps of the KTV series. It is one of the successful models of the Japanese manufacturer and is regarded as an all-rounder for construction sites.

A key factor is the low weight that Tsurumi achieves with a die-cast aluminium housing. Many customers therefore like to use the KTV, especially as it makes transport to different locations easy. However, the lightweight construction reached its limits occasionally in environments with highly abrasive water, such as mining, tunnelling and special civil engineering. Tsurumi generally recommends other pumps for these applications. However, operators used the lightweight pumps in heavy applications, hence corresponding feedback was provided.

“the manufacturer’s focus is particularly on the dewatering pumps of the KTV series”

The manufacturer took action and formed a special team. They investigated the mechanical stress, especially on the oil housing, fixing disc, pump housing and wear plate. The focus was on the use of the pumps in very demanding environments such as hard rock. New wear parts were developed in a modified design with a different Shore hardness value. In addition, the parent company in Japan manufactured the oil housing with a greater wall thickness. The upgraded pumps proved to be considerably more resistant: In practical testing in a German tunnel project, the lifetime was extended from five weeks to five months. Further operations in several tunnels, including Austria, delivered even better results. The conversion kit was released.

However, Tsurumi offers the new components on request. The conversion of the series or the retrofitting of existing pumps is not necessarily required. In “normal” dewatering applications of construction sites the KTV in standard design does its job perfectly fine. The manufacturer has already installed standard components made of silicon carbide, the hardest naturally occurring material after diamonds. All Tsurumi pumps are designed for unattended continuous operation anyway: Thanks to the patented oil lifter, the oil lubrication remains intact, regardless of the installation position being horizontal or vertical. But if the load is very high indeed and the pump weight is relevant, Tsurumi recommends retrofitting. According to the manufacturer, customers could also do this on their own thanks to the modular design concept of the pumps.

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ABOUT THE AUTHOR

Tsurumi Pumps

Being water- and people-friendly

Water is essential to human life. Understanding the importance of water, Tsurumi is comitted to providing technologies for controlling an protecting it.

Mission

As the leading manufacturer of submersible pumps Tsurumi is present all over Europe. We design and manufacture high quality products for tough conditions in various dewatering applications including mining, tunnelling, construction and industrial. We provide the best service in class for our customers with maintenance friendly products that reduce costs for the users.

Vision

At Tsurumi Europe our vision is to excite all pump professionals and affiliates through our reliability in all tough conditions. As a trustworthy partner we will never stop to provide innovative solutions for our customers’ needs while exploring new applications and markets.

The Kyoto plant

Designed for increased productivity through fully integrated streamlined production systems, Tsurumi’s factory in Kyoto (Japan) features a production capacity of a full 1 million pumps per year.

Large-scale modern R&D facilties offer optimum conditions for experimenting and testing of even super-large pumps and for developing new products to expand the possibilities and applications of pumps.

To provide optimum conditions to our main asset, our workers, as well as for environment, special emphasis is placed on optimized working conditions with airconditioning, minimized dust and exhaust gas emission, comprehensive recycling and waste recovery.

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