Fluid Engineering: pumps, separation and process technology as well as worldwide services for rotating equipment and static equipment
Sulzer AG
Winterthur (headquarters, CH) · more than 100 service locations worldwideNew on Amplifa
About Sulzer
Sulzer AG is a globally active Swiss industrial group headquartered in Winterthur, specializing in fluid engineering. The company manufactures pumps, separation technology, column internals such as trays and packings, and spare parts for the process industry. The service portfolio also includes repair, revamp and retrofit of pumps, gas and steam turbines, compressors, electric motors and generators, automated weld overlay for corrosion protection of towers and vessels, thermal spraying, heat treatment, high-speed balancing, as well as turnaround and field services including the installation of column internals. The Flow Equipment, Services and Chemtech divisions serve industries such as oil and gas, petrochemicals, chemicals, energy, water/wastewater, pulp and paper, and mining. With around 12'900 employees, revenue of approximately 3.2 billion CHF (2022) and more than 100 service locations worldwide, Sulzer is internationally positioned; the company was founded in 1834.
- Site
- Winterthur, Switzerland
- Processes
- Automated weld overlay (Weld-Overlay coating), Custom manufacturing of mass transfer internals (trays and packings), Tower field services (installation, tray replacement, emergency plant repairs), Turnaround services, Revamp services, Weld repairs, Laser weld repairs, Rotor repairs
- Materials
- Alloy materials for corrosion-resistant weld overlay, Automated Weld Overlay, Thermal Spraying / Surface Engineering, Heat Treatment, Corrosion-Resistant Alloys for Weld Overlay
- Certificates
- ISO 45001, OHSAS 18001 (Sulzer Chemtech Australia, historical), ASME Welding Certification, European Welding Certification, OHSAS 18001 (historical, Chemtech)
- Founded
- 1834
- Employees
- 12900
- Industries
- Oil and Gas, Petrochemicals, Chemicals, Energy, Water/Wastewater, Pulp and Paper
- 01
Engineering and technical consulting (feasibility studies, debottlenecking,
- 02
Manufacturing of spare parts, column internals (trays and packings) as well as
- 03
Automated weld overlay and coating for
- 04
Field service: installation, tray replacement, repairs, turnaround management
- 05
Testing: inspection, balancing, lifetime assessment, root cause analysis
- 06
Maintenance, digital monitoring (BLUE BOX) and spare parts supply
Materials and Processes
Automated Weld Overlay
Weld deposition with alloyed materials for corrosion and erosion protection of towers, vessels, reactors and heat exchangers.
Thermal Spraying / Surface Engineering
Surface technology to extend component service life, among others for gas turbines and compressors.
Heat Treatment
Heat treatment of components as part of repairs to gas turbines and rotating equipment.
Corrosion-Resistant Alloys for Weld Overlay
Alloyed materials for weld overlays under harsh process conditions.
Locations
Winterthur
CHHeadquarters
- Service centers for rotating equipment (worldwide network with more than 100 locations)
Components and Parts
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Automated weld overlay (Weld-Overlay coating)Surface | – | – | – | – | alloyed materials for corrosion/erosion protection |
| Custom manufacturing of mass transfer internals (trays and packings)Assembly | – | – | – | – | – |
| Tower field services (installation, tray replacement, emergency plant repairs)Assembly | – | – | – | – | – |
| Turnaround servicesAssembly | – | – | – | – | – |
| Revamp servicesEngineering | – | – | – | – | – |
| Weld repairsJoining | – | – | – | – | – |
| Laser weld repairsJoining | – | – | – | – | – |
| Rotor repairsMachining | – | – | – | – | – |
| Component repair (gas turbine)Machining | – | – | – | – | – |
| CoatingsSurface | – | – | – | – | – |
| Heat treatmentHeat Treatment | – | – | – | – | – |
| High speed balancingTesting | – | – | – | – | – |
| Dynamic balancingTesting | – | – | – | – | – |
| MachiningMachining | – | – | – | – | – |
| Surface engineering and thermal sprayingSurface | – | – | – | – | – |
| Unit reconditioningAssembly | – | – | – | – | – |
| Bearing servicesAssembly | – | – | – | – | – |
| Pump repair and overhaul servicesAssembly | – | – | – | – | – |
| Pump reverse engineering solutionsEngineering | – | – | – | – | – |
| Motor rewindsAssembly | – | – | – | – | – |
| Electric motor repair and overhaul (HV/MV/LV)Assembly | – | – | – | – | – |
| Generator repair and rewind (turbogenerator, hydro, wind)Assembly | – | – | – | – | – |
| Control panel repair and replacementEngineering | – | – | – | – | – |
| Compressor repair services (incl. fans and blowers)Assembly | – | – | – | – | – |
| Wheel motor repair, mechanical refurbishment, rewinds, testingAssembly | – | – | – | – | – |
| Alternator repair, testing and upgradesAssembly | – | – | – | – | – |
| Site fabrication of vesselsCasting | – | – | – | – | – |
| Dome replacements, sectional replacements, nozzle installationJoining | – | – | – | – | – |
| Tray cleaning and inspectionTesting | – | – | – | – | – |
| Lifetime assessments / root cause analysis / troubleshootingTesting | – | – | – | – | – |
2 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Automated weld overlay system | – | – | – | – | USA, Canada, Mexico, UK, Germany, Saudi Arabia, India, Thailand, Singapore, |
| Service centers for rotating equipment | – | über 100 | – | – | – |
Additional services
Reference customers
Quality and Certifications
The tower and field services are certified to ISO 45001; historically there was an OHSAS 18001 certification (Sulzer Chemtech Australia). For welding work, comprehensive ASME and European welding certifications are in place; in field service, more than 4 million working hours have been performed with a low accident frequency rate (AFR).
| Evidence | Winterthur |
|---|---|
| ISO 45001 | |
| ASME Welding Certification | |
| European Welding Certification | |
| OHSAS 18001 (historical, Chemtech) |
History
- 1834
Founding of "Gebrüder Sulzer, Giesserei in Winterthur" (Sulzer Brothers, Foundry in Winterthur) by Johann Jakob Sulzer
- 1839
Expansion to include a foundry; first steam engine in Winterthur
- 1859
First partnership agreement, introduction of steam engines
- 1870
Founding of the first company-owned vocational school in Switzerland with training workshops
- 1881
Branch operation founded in Ludwigshafen am Rhein
- 1898
First Sulzer diesel engine in cooperation with Rudolf Diesel
- 1914
Conversion into two public limited companies (Winterthur, Ludwigshafen)
- 1941
Sale of the Ludwigshafen subsidiary to Halbergerhütte
- 1961
Acquisition of the Swiss Locomotive and Machine Works (SLM)
- 1966
Stake in Escher Wyss AG (53%), more than 30'000 employees
- 1969
Full acquisition of Escher Wyss AG (Sulzer-Escher Wyss AG) and acquisition of Maschinenfabrik Burckhardt
- 1984
Losses and massive restructuring
- 2022
12'900 employees, revenue 3.2 billion CHF; divisions Flow Equipment, Services, Chemtech