Country, region and language selection

International websites


Americas / Oceania

Africa and Middle East

Asia / Pacific

St Petersburg

Submersible motor pumps from KSB lift waste water from a depth of 92 metres in St. Petersburg

A cleaner Baltic Sea – this was the initial idea behind the waste water disposal project for this millions-strong metropolis. Today, 19 Amarex KRT pumps ensure that up to 98 percent of the city’s waste water is treated in a waste water treatment plant before being discharged into the Baltic Sea.

The project: A waste water pumping station for St. Petersburg

The metropolis of St. Petersburg with its almost 5 million inhabitants is located directly on the Baltic Sea coast at the mouth of the river Newa. The aim of this ambitious project was to ensure that all waste water being discharged into the Baltic Sea is first processed in a waste water treatment plant. In achieving this goal, the city of St. Petersburg was also seeking to fulfil the demanding requirements of Helcom – an intergovernmental commission of countries on the Baltic Sea – and make an effective contribution to keeping the Baltic Sea clean.

The St. Petersburg waste water pumping station was planned as the centrepiece of a twelve kilometre-long tunnel system designed to transport millions of litres of waste water to a waste water treatment plant

The challenge: A complete solution for pumping waste water from a great depth

This project featured specific challenges in two distinct areas:

On a technical level: the construction of a waste water pumping station in a shaft structure capable of lifting the waste water of a metropolis of millions from a depth of 92 metres so that it could flow to the waste water treatment plant via a tunnel system.

And in terms of logistics, the customer decided to opt for a solution “from a single source”. As well as supplying the submersible motor pumps, drives and frequency inverters, KSB thus had to also provide all downstream services including supervision for the waste water disposal project. Hydraulic planning and engineering services including sophisticated physical model testing were also part of the comprehensive package provided by KSB.

Control cabinets for control equipment

Control cabinets for control equipment

The solution: Waste water pumps for the most stringent requirements

A total of 19 robust pumps from the tried-and-tested Amarex KRT waste water range including control systems and frequency inverters are now in use for waste water disposal in St. Petersburg. KSB individually tailored the waste water pumps’ hydraulic systems to the special requirements of the pumping station. The pumps driven by dry-installed submersible motors with a power rating of 700 kW each transfer the waste water from a depth of 92 metres into a tunnel system – from here it flows by gravity into the waste water treatment plant.

With this waste water treatment project, KSB has made a substantial contribution to ensuring that today up to 98 percent of the waste water generated by the St. Petersburg’s millions of inhabitants can be fully treated.

The waste water project was developed on the basis of close cooperation between Russia and Finland. The Finnish state was involved from the outset and played a key role in the project’s funding. Furthermore, KSB used Finnish expertise for the control systems. The waste water pumping station was completed and handed over in 2013, the International Year of Water Cooperation. The aim of this special year was to raise awareness of the challenges of the water industry and the rising demand for water as a valuable resource. The operators of the plant also wanted to encourage people to become more conscious about how they use water.

Main pumps Amarex KRT K 400-710

Main pumps Amarex KRT K 400-710

Data I Facts I Figures

  • Location: St. Petersburg, Russia
  • Products used: 19 Amarex KRT waste water pumps, 700 kW
  • Year: 2013

Used product

Amarex KRT

Amarex KRT

Horizontal or vertical single-stage submersible motor pump in close-coupled design, with various next-generation impeller types, for wet or dry installation, stationary or transportable version, with energy-saving motor and models for use in potentially explosive atmospheres.

KSB - one of the world's leading manufacturers of industrial valves and pumps

Founded in 1871 in Frankenthal (Germany), KSB has been one of the leading suppliers of pumps and industrial valves for over 150 years. With more than 15,000 employees worldwide and its own sales and marketing, manufacturing facilities and service operations, KSB develops and produces custom-fit pumps for various applications.

As an experienced pump manufacturer, its product portfolio includes building and industrial technology, water transport, wastewater treatment and power plant processes. Thanks to innovative research and development, KSB can meet the most diverse requirements of customers. Benefit from many years of experience and technical expertise as a renowned pump manufacturer.

KSB pump manufacturers: the best solution for your plant
Industrial pumps and valves from KSB cover a wide range of applications and are highly energy-efficient. Products convince with the most innovative technology as well as with systems that have been tried and tested for many years - including the Etanorm water pump. Achieving more than 1.5 million sales worldwide, Etanorm is the most successful standard water pump. With KSB spare parts and services.

KSB ensures the operational reliability of its industrial pumps and valves. The KSB success formula for high-performance pumps lies in the technological strength in hydraulics, materials and automation.

Competent service right from the start
The numerous production facilities ensure that KSB as a pump manufacturer can guarantee customer proximity and first-class service. The experienced specialists are certified to ensure excellent quality and extensive experience. KSB Service takes care of the commissioning, inspection, servicing and maintenance of your pumps, valves and complete systems directly on site.  KSB also provide you with spare parts quickly. This means you get the best service directly from your pump manufacturer.