
Spare parts, repairs, reverse engineering and testing services for steam turbines, compressors, gearboxes, pumps and generators.

MGM Maschinenbau Gesellschaft Mülheim mbH
DüsseldorfNew on Amplifa
About Turbomachines
Turbomachines is a brand of MGM Maschinenbau Gesellschaft Mülheim mbH based in Düsseldorf. The company supplies spare parts for turbomachinery of all manufacturers and any age – from the gasket to the valve spindle to the complete rotor – as original parts or as exact, more cost-effective copies in OEM quality. The portfolio includes steam turbines, compressors, gearboxes, electric motors, generators and pumps as well as hydraulic and control technology and measuring instruments. In addition to spare parts supply, Turbomachines carries out repairs on rotors, casings, labyrinth bushes, gearboxes, hydraulic control blocks and steam valves, documents all work in inspection reports and works in close dialogue with the customer. In its own engineering department, original components are measured by manual measurement or 3D laser scanning, reconstructed as a 2D drawing or 3D solid model and remanufactured from heat-resistant materials, steel and brass. In the test field, servo and quick-closing valves are tested, rotors are balanced at low and high speed (1,500–30,000 rpm) in a vacuum balancing facility, and function, pressure and leakage tests are performed on hydraulic components.
- Site
- Düsseldorf
- Processes
- Reverse engineering of spare parts (measuring/3D scanning, design, remanufacturing), Manufacturing of spare parts (e.g. valve spindles, turbine blades, compressor impellers,, Rotor repair (cleaning by sandblasting, crack testing, runout check, renewal of, Casing and labyrinth bush repair (renewal of labyrinth strips, build-up welding, grinding,, Gearbox repair (contact pattern recording via impression, grinding, measurement and remanufacturing, Repair of hydraulic control blocks (disassembly, cleaning, oil flushing, seal renewal,, Repair of steam valves (renewal of valve spindle, guide bushes, valve cone, valve seat;, Low-speed balancing (approx. 400–500 rpm)
- Materials
- heat-resistant materials, heat-resistant steel, Brass, Graphite, Carbon, Heat-resistant steel, Heat-resistant materials
- Certificates
- Inspection reports & test documentation, Hydraulic test rig (partial-stroke/full-stroke testing), Vacuum balancing facility (1.500–30.000 U/min), ISO 9001
- Industries
- Steam turbines, Compressors, Gearboxes, Electric motors & generators, Pumps, Hydraulics & control
- 01
Inquiry & damage assessment (including 3D laser scanning, measurement)
- 02
Inspection reports & repair release in dialogue with the customer
- 03
Design / reverse engineering (2D drawing, 3D solid model)
- 04
Manufacturing or repair of components
- 05
Test field: test runs, balancing, pressure and leakage tests
- 06
Documentation & delivery (ready for installation or conserved)
Materials & Processes
Heat-resistant steel
For gland segment bolts, capsule nuts and sealing bands of steam turbines at high temperatures.
Brass
Brass rings for oil seals on steam turbines.
Graphite
Graphite sealing rings for piston, rod and flat seals.
Carbon
Carbon sealing rings for seals with high wear protection.
Heat-resistant materials
Material basis for highly stressed spare parts such as valve spindles and turbine blades.
Locations

Düsseldorf
DEHeadquarters
- Materials
- heat-resistant materials, brass, graphite, carbon
- 3D laser scanner
- Hydraulic test rig
- Vacuum balancing facility (1.500–30.000 U/min)
Components & Spare Parts








Inside the production



Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Reverse engineering of spare parts (measuring/3D scanning, design, remanufacturing)Engineering | – | – | – | – | heat-resistant materials |
| Manufacturing of spare parts (e.g. valve spindles, turbine blades, compressor impellers,Machining | – | – | – | – | – |
| Rotor repair (cleaning by sandblasting, crack testing, runout check, renewal ofRepair/Maintenance | – | – | – | – | – |
| Casing and labyrinth bush repair (renewal of labyrinth strips, build-up welding, grinding,Repair/Maintenance | – | – | – | – | – |
| Gearbox repair (contact pattern recording via impression, grinding, measurement and remanufacturingRepair/Maintenance | – | – | – | – | – |
| Repair of hydraulic control blocks (disassembly, cleaning, oil flushing, seal renewal,Repair/Maintenance | – | – | – | – | – |
| Repair of steam valves (renewal of valve spindle, guide bushes, valve cone, valve seat;Repair/Maintenance | – | – | – | – | – |
| Low-speed balancing (approx. 400–500 rpm)Testing | – | – | – | – | – |
| High-speed balancing at operating speed (1,500–30,000 rpm) in vacuum balancing facility incl.Testing | – | – | – | – | – |
| Rotor overspeed spinning (proof of strength via overspeed test)Testing | – | – | – | – | – |
| Testing of servo valves (function test, proportionality of control pressure/valve lift)Testing | – | – | – | – | – |
| Testing of quick-closing valves (partial-stroke and full-stroke testing on hydraulic test rig)Testing | – | – | – | – | – |
| Testing of hydraulic control blocks (pressure and leakage testing, switching function of solenoidTesting | – | – | – | – | – |
| 3D laser scanning for interior recording of component geometry (e.g. steam turbine blades)Engineering | – | – | – | – | – |
| Design by manual measurement with manual measuring tools, creation of 2D drawing or 3D solid modelEngineering | – | – | – | – | – |
3 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| 3D scanner (3D laser scanner) | – | – | – | – | – |
| Hydraulic test rig | – | – | – | – | – |
| Vacuum balancing facility (high-speed, 1.500–30.000 U/min) | – | – | – | – | – |
Additional services
Reference customers
Quality & Testing
All repair and testing services are documented in inspection reports and agreed with the customer before work begins. In the test field, function tests, pressure and leakage tests as well as low- and high-speed balancing are performed, including quick-closing and overspeed tests as proof of strength.
| Evidence | Düsseldorf |
|---|---|
| Inspection reports & test documentation | |
| Hydraulic test rig (partial-stroke/full-stroke testing) | |
| Vacuum balancing facility (1.500–30.000 U/min) | |
| ISO 9001 |