Maintenance, repair and major overhaul of gas engines as well as planning and construction of CHP units
H.G.S. GmbH
Krefeld · Dornstadt · Hohenwarsleben · VisbekNew on Amplifa
About HGS
H.G.S. GmbH, headquartered in Krefeld, is a service company for gas engines and combined heat and power (CHP) units. The company overhauls gas engines from all well-known manufacturers in its own workshop with more than 2,000 m² of floor space and up to 100 major overhauls per year. The workshop services include the machining of engine components such as crankshafts, camshafts, connecting rods and crankcases, including grinding and polishing on milling, drilling and turning machines. In addition, HGS plans, designs and builds CHP plants for all types of gas (biogas, natural gas, landfill gas, mine gas, sewage gas) in output ranges from 4.5 to 4,500 kWel and services more than 1,600 plants with a total output of over 1,000 MW. Customers come from the energy sector, agriculture, industry as well as from hospitals, swimming pools and office complexes. Since 2015, HGS has been part of the ENGIE Group and, with more than 130 employees and 13 locations in Germany, operates Europe-wide as an engine service provider.
- Site
- Krefeld
- Processes
- Maintenance and servicing of gas engines, Oil management / oil analysis, Vibration measurement, Electrical maintenance according to DGUV 3, Major overhaul of gas engines, Polishing of crankshafts, Grinding of crankshafts, Machining of engine blocks and peripheral components
- Materials
- Machining, Conventional turning work, Crankcase machining / boring mill technology, Major overhaul & re-engineering
- Certificates
- ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, Certified specialist company under § 19 WHG, Certification for gas detectors according to § 56 UVV Gases (VBG 61), Gas detectors according to § 56 UVV Gases (VBG 61)
- Employees
- >130
- Industries
- Energy sector, Biogas, Agriculture (energy farmers), Hospitals, Swimming pools, Industry
- 01
Consulting & Planning
- 02
CHP plant construction
- 03
On-site maintenance & servicing
- 04
Oil management & diagnostics (vibration measurement, exhaust gas measurement)
- 05
Machining of engine components in the workshop
- 06
Major overhaul / re-engineering
- 07
Remote monitoring & technical operations management
- 08
24/7 emergency service & spare parts service
Processes & Machining
Machining
Grinding and polishing of crankshafts and camshafts up to 3,500 mm in length as well as milling and drilling work on engine components.
Conventional turning work
Turning work with workpiece lengths up to 5,200 mm in the company's own workshop.
Crankcase machining / boring mill technology
Machining of crankcases weighing up to 8,000 kg, among other things on a WOTAN boring mill.
Major overhaul & re-engineering
Overhaul of gas engines of all output classes and reassembly of diesel engines from emergency power generators.
Locations
Krefeld
DEHeadquarters, engine workshop and spare parts warehouse (over 2,000 m² of workshop floor space, 15 workshop
- Part weight / size
- Crankcases up to 8,000 kg
- Lot size
- Single parts to small series
- Materials
- Crankshafts, camshafts, connecting rods, engine blocks
- 6 overhead cranes with lifting capacity up to 40,000 kg
- Milling and boring machines (including WOTAN)
- Conventional lathe up to 5,200 mm workpiece length
Dornstadt
DEService Center South
Hohenwarsleben
DEService Center East
Visbek
DEService Center North
Services & Components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Maintenance and servicing of gas enginesAssembly | – | – | – | – | – |
| Oil management / oil analysisTesting | – | – | – | – | – |
| Vibration measurementTesting | – | – | – | – | – |
| Electrical maintenance according to DGUV 3Testing | – | – | – | – | – |
| Major overhaul of gas enginesAssembly | – | – | – | – | – |
| Polishing of crankshaftsMachining | – | 3500 mm | – | – | – |
| Grinding of crankshaftsMachining | – | 3500 mm | – | – | – |
| Machining of engine blocks and peripheral componentsMachining | – | – | – | – | – |
| Crankcase machining / boring mill technologyMachining | – | – | 8000 kg | – | – |
| Machining of camshaftsMachining | – | 3500 mm | – | – | – |
| Machining of crankshaftsMachining | – | 3500 mm | – | – | – |
| Machining of connecting rodsMachining | – | 1000 mm | – | – | – |
| Conventional turning workMachining | – | 5200 mm | – | – | – |
| Milling of engine componentsMachining | – | – | – | – | – |
| Drilling of engine componentsMachining | – | – | – | – | – |
| Planning, design and construction of CHP unitsEngineering | – | – | – | – | – |
| Plant construction / plant optimization / modernization of CHP plantsAssembly | – | – | – | – | – |
| Exhaust gas measurements according to TA-LuftTesting | – | – | – | – | – |
| Calibration of gas detectors according to § 56 UVV Gases (VBG 61)Testing | – | – | – | – | – |
| Remote monitoring and plant monitoringTesting | – | – | – | – | – |
| Reassembly of diesel engines from emergency power generatorsAssembly | – | – | – | – | – |
| Laser alignment of the engine/generator unitAssembly | – | – | – | – | – |
3 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Overhead crane | – | 6 | – | – | Krefeld |
| Milling and boring machines (including WOTAN) | WOTAN | – | – | – | Krefeld |
| Conventional lathe | – | – | Workpiece length up to 5200 mm | – | Krefeld |
Additional services
Quality & Certification
HGS is certified according to ISO 9001, ISO 14001 and ISO 45001 and is a certified specialist company under § 19 WHG (Water Resources Act). Further testing services include vibration measurement, exhaust gas measurements according to TA-Luft, electrical maintenance according to DGUV 3 and the calibration of gas detectors according to § 56 UVV Gases (VBG 61).
| Evidence | Krefeld |
|---|---|
| ISO 9001:2015 | |
| ISO 14001:2015 | |
| ISO 45001:2018 | |
| Certified specialist company under § 19 WHG | |
| Gas detectors according to § 56 UVV Gases (VBG 61) |
History
Around 40 years of service for gas engines and CHP units
- 2015
HGS became part of the ENGIE Group