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Service Solutions for Marine Equipment

Sulzer is the leading independent service provider for rotating equipment, and offers repair services for vessels such as cruise liners, naval and passenger ships, tankers, offshore production and support vessels, and dredgers. We are dedicated to minimising downtime and maximising your profitability.

Email Address
Neuwiesenstrasse 15
8401 Winterthur,


Sulzer is the leading independent service provider for rotating equipment, and offers repair services for vessels such as cruise liners, naval and passenger ships, tankers, offshore production and support vessels, and dredgers. We are dedicated to minimising downtime and maximising your profitability. Ship operators, ship owners and shipping agents turn to us for reliable support, including emergency call-out, site inspection, repair of all types of mechanical and electrical equipment, and in-situ repair and testing.

You benefit from:

  • Maximum sea time for vessels
  • Lifetime extension of rotating equipment
  • Improved efficiency and reliability
  • Minimised disruption for crew and owners
  • Fast assessment of damage and rapid repair
  • Best solutions at cost-effective rates
  • Reduced dry dock time
  • Shortest disruptions at ports

Vessel repairs and support at sea

Normally, large electrical rotating machines are removed from a ship in berth or dry dock. This often requires dismantling surrounding equipment or main support structures and cutting a hole in the ship’s side. Sulzer has the expertise to repair most rotating machines in-situ. Whenever you call us, our experienced and highly skilled engineers fly to meet the ship wherever it is, and provide the service that helps you minimise cost and downtime.

With many possible service solutions, we can help our customers in a unique way.
Dedicated to thinking long term, our experts focus on maximising equipment life.
In our dedicated test facility, all coils undergo stringent tan-delta and impulse tests, to ensure that all relevant electrical specifications are met.
A view of the coil shop incorporating a wide selection of diamond coils and generator bars.
Sulzer engineers onboard a vessel for a generator repair.

Services include:

  • Rapid call-out, assessment and repair
  • Uninterrupted operations
  • Worldwide, fast support
  • Re-engineering
  • Repair of any make or type of rotating machine
  • Supporting infrastructure from our global network of facilities

Service support for:

  • Main propulsion drive units
  • Drive and standby alternators
  • Bow and side thrusters
  • Ancillary drive systems
  • Product handling equipment and drives
  • Main drive shafts and bearings

Land-based service for the maritime sector

While our engineers are onboard dismantling the equipment, we are manufacturing new coils at one of our special facilities around the globe. Once completed and tested, the coils are dispatched to the vessel in time for Sulzer’s engineers to seamlessly carry on with the repair.

Our coil workshops are among the best-equipped coil manufacturing facilities in the world, capable of producing all types and sizes of AC coils and bars, DC coils and Rogowski coils.

An in-house, highly sophisticated copper rolling mill has both inline and pot annealing facilities, enabling us to offer a round-the-clock coil manufacturing capability, with an incredibly short lead time on copper strip. Extensive stocks of continuously cast soft copper rod guarantee the ability to meet your demands immediately.

Formed coils are produced on automatic shaping machines, which give consistent geometry and coil fit. Computer-controlled taping machines provide perfect lapping and consistent tension, giving built-in security of coil insulation.

A range of electrically heated hydraulic presses up to 24ft (7m) guarantees highly accurate size and consistent control of pressed coil sides, ensuring a perfect slot fit. All packing and transportation of our products have to pass stringent quality controls so that the care taken in manufacture is in no way compromised en route to the customer.

Sustainability in the ship service industry

Sulzer’s commitment to quality is matched by our dedication to sustainability at all levels of our business. We work every day to ensure the health and safety of our employees, and the safety and integrity of the services and products we provide. At all our locations worldwide, we implement certified management systems according to ISO 9001, ISO 14001 and OHSAS 18001 as an effective way to sustain the continuous improvement of our processes and products.

Maintenance and Service Solutions for Marine Equipment

Sulzer provides maintenance services for cruise liners, dredgers, passenger and naval ships, offshore production, tankers, and support vessels. We help you to minimise disruption and extend the lifetime of your equipment.

Sulzer Acquires JWC Environmental

Sulzer has obtained JWC Environmental, LLC (JWC), a provider of high-engineered, mission-critical product removal.

12 January 2018

Sulzer Reports Strong Financial Performance in 2016

Sulzer is pleased to reveal that though its currency-adjusted order intake and sales decreased by 2% in 2016, the number of orders processed in every industry but gas and oil (power, water, general industries) experienced an increase.

31 March 2017

Ensival Moret Acquired by Sulzer

Sulzer has revealed that it has completed the acquisition of Ensival Moret (EM), a part of Moret Industries. Sulzer will immediately begin to integrate EM in its pumps equipment division. Combining the complementary product portfolios will allow Sulzer to become a full line supplier in most industrial process applications.

1 February 2017

Sulzer Enters Discussions to Acquire Ensival Moret

On 25 November 2016, Sulzer entered into exclusive discussions with Moret Industries to acquire the pump manufacturer Ensival Moret (EM), a part of Moret Industries. The enterprise value for the proposed transaction is €80m (Sfr85m).

30 November 2016

Sulzer Expands High-Efficiency SMD Water Pump Range

The SMD pump range is suitable for a variety of high-volume flow applications where clean, raw, sea, or brackish water is pumped. Such applications are water transport, water abstraction, desalination, treatment, supply, and distribution. The pumps can also be used for drainage, firefighting or distribution of heating and cooling media in residential and industrial systems.

2 October 2016

Sulzer’s Operational EBITA and Currency-Adjusted Sales Remained Stable

In the first half of 2016, Sulzer's operational ROSA and operational EBITA continued to be stable. Order intake, impacted by oil and gas market headwinds, decreased, but increased by 8% sequentially in the second quarter of 2016. Significant savings from the Sulzer Full Potential (SFP) programme offset the impact from market headwinds.

26 July 2016

High-Efficiency Recirculation Pump Introduced by Sulzer

The new pump series is developed to the recirculation and pumping of activated sludge in wastewater treatment plants during the nitrification and denitrification process, as well as for the pumping of surface, storm and river water. It complements the submersible recirculation pump series ABS RCP.

22 March 2016

Sulzer’s Birmingham Service Centre Looking to Invest in New Apprentices

Sulzer's Birmingham Service Centre is continuing to invest in apprentices that are keen to learn new skills, as well as working towards full-time employment in a challenging and vibrant and industry. The centre for UK operations, which specialises in electrical and mechanical repairs of large rotating equipment, is looking for four new apprentices to join the programme in September.

4 February 2016

Sulzer Management Ltd

Neuwiesenstrasse 15
8401 Winterthur

Sulzer Dowding & Mills

Camp Hill
B12 0JJ
United Kingdom


SC Southampton (William Street)
William Street
SO14 5QH
United Kingdom

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