Specialized industrial maintenance for pipelines, valves, pumps, and heat exchangers with in-house machining

Bardenhagen Maschinenbau und Dienstleistungs GmbH
Horneburg · Hemmingstedt (Heide) · Bergheim near Cologne · Schwedt/Oder · Brunsbüttel · Leuna · Wels (AT) · Ploiesti (RO)New on Amplifa
About Bardenhagen
Founded in 1986 in Horneburg, Bardenhagen Maschinenbau und Dienstleistungs GmbH is a family-run specialist for industrial maintenance and repair services, particularly concerning pipelines and valves. The company supports operators in the process industry—Chemical, Petrochemical, Refineries, Power Plants, Wind Energy, and other sectors—where facilities cannot be shut down or dismantled: with leak sealing during operation, valve and pump service, safety valve testing (Ventitest), heat exchanger service, mobile mechanical processing, hot tapping, line stop, line freezing, and controlled bolting. Additionally, approximately 4,000 m² of workshop space across four locations offer workshop services and in-house machining, including 5-axis machining, carousel turning up to Ø 3,200 mm, spare parts manufacturing for valves and pumps, thermal spraying, and composite repairs. With over 150 employees and sites in Germany, Austria, and Romania, the company provides 24-hour service for immediate call-outs and complete revision packages.
- Site
- Horneburg
- Processes
- Leak sealing while operational, Valve Service (Repair, workshop service, pressure testing, TA-Luft conversion), On-site Safety Valve Testing (Ventitest), Pump Service (Repair, laser alignment, spare parts manufacturing), Heat Exchanger Service (Testing, repair, sleeving), Composite Repairs / Laminating of pipelines, Mobile Mechanical Processing (OSM), Cold Cutting (ATEX), 3D Surveying / Flange Surveying
- Materials
- Epoxy Resin, Fiberglass, Carbon Fiber, Composite Materials (paste, for shafts/bearings), Metal (Spray Wire, wear protection layers), Metal Powder (flame spraying), Metal, Metal (Spray Wire)
- Certificates
- ISO 9001:2015, ISO 14001:2015, Qualified Maintenance Workshop for Safety Valves (EK ZÜS BD-015), Specialized Service Provider for Line Freezing (BGI/GUV-I 5066), Admission of Blown Off Procedure (HD-Blown Off District Heating), DIN EN ISO 3834-2, KTA 1401 Qualification Statement, WHG Specialist, Training Provider Accreditation (TQ-certified training operation), Qualified Maintenance Workshop for Safety Valves (TÜV NORD), Specialized Service Provider for Line Freezing (TÜV Rheinland)
- Founded
- 1986
- Employees
- über 150
- Industries
- Chemical Industry, Petrochemical Industry, Refineries, Nuclear Power Plants, Conventional Power Plants, Natural Gas Industry
- 01
Testing and Surveying (3D surveying, flange surveying, pressure testing)
- 02
On-site maintenance and repair
- 03
Machining in the workshop (Turning, Milling, Lapping)
- 04
Spare parts manufacturing
- 05
Welding (Repair welding, build-up welding)
- 06
Surface Technology (thermal spraying, composite coating)
- 07
Assembly and service in operation
Materials and Processes
Epoxy Resin
Basis for composite repairs and laminating pipelines with glass or carbon fiber bandages.
Fiberglass
Used with epoxy resin as a bandage for repairing pipelines.
Carbon Fiber
High-strength bandage material for composite repairs on stressed pipelines.
Metal (Spray Wire)
Material for wear protection layers during wire and arc spraying.
Metal Powder
Used in powder flame spraying with subsequent fusing for gas-tight layers.
Locations
Horneburg
DEHeadquarters, administrative office, and largest workshop (approx. 1,700 m²)
- Part weight / size
- Workpieces Ø 3,200 mm, 1,600 mm height (Carousel); 2,600 x
- Lot size
- Individual items and small series
- Materials
- Metal (Steel, Stainless Steel, Castings according to machining scope)
- DMG Mori 5-Axis Machining Center DMF 260/11 with Rotary Table
- Carousel Lathe (Ø 3,200 mm, 1,600 mm height)
- Milling and Boring Machine (max. 1,200 x 1,000 x 1,500 mm)
- Lapping Machines (Grinding space for valve overhaul)
- Computer-controlled valve test bench
Hemmingstedt (Heide)
DEFull-Service location on the Heide Refinery premises (Bardenhagen Instandhaltung Holstein GmbH)
Bergheim near Cologne
DEBranch of Bardenhagen Rhein Ruhr GmbH with workshop (approx. 900 m²)
Schwedt/Oder
DEFull-Service branch on the PCK Refinery premises (Bardenhagen Maschinenbau Oder GmbH)
Brunsbüttel
DEOperating site in the industrial park (Bardenhagen Instandhaltung Holstein GmbH)
Leuna
DEOperating site/Base of operations
Wels
ATSubsidiary Gangelberger & Riedlbauer Service GmbH for Austria and Bavaria
Ploiesti
ROSubsidiary Bardenhagen Services Romania s.r.l.
Industries
10 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| 5-axis Machining Center with Rotary Table | DMG Mori DMF 260/11 | 1 | Travel paths 2,600 x 1,100 x 900 mm | – | Horneburg |
| Carousel Lathe | – | 1 | Workpieces Ø 3,200 mm, 1,600 mm height | – | Horneburg |
| Carousel Lathe | – | 1 | – | 2010 | Horneburg |
| Milling and Boring Machine | – | 1 | Workpiece sizes max. 1,200 mm x 1,000 mm x 1,500 mm | – | Horneburg |
| Lapping Machines | – | – | – | – | Horneburg |
| Valve Test Bench (computer controlled) | – | – | – | – | Horneburg |
| Mobile Test Bench for Valves/Safety Valves | – | – | – | – | – |
| Conventional Lathes | – | – | – | – | Horneburg |
| Conventional Milling Machines | – | – | – | – | Horneburg |
| Mobile Machining Centers (OSM) | – | – | – | – | – |
Additional services
Reference customers
Quality and Certifications
Work is carried out according to DIN EN 12266-1/2 on computer-controlled test benches, supplemented by mobile test benches for on-site safety valve testing. The company is certified according to ISO 9001:2015 and ISO 14001:2015 (Bureau Veritas) and is registered as a qualified maintenance workshop for safety valves (TÜV NORD) and specialized service provider for line freezing (TÜV Rheinland).
| Evidence | Horneburg |
|---|---|
| ISO 9001:2015 | |
| ISO 14001:2015 | |
| DIN EN ISO 3834-2 | |
| Qualified Maintenance Workshop for Safety Valves (TÜV NORD) | |
| Specialized Service Provider for Line Freezing (TÜV Rheinland) | |
| KTA 1401 Qualification Statement | |
| WHG Specialist |
History
- 1986
Foundion of the sole proprietorship H.H. BARDENHAGEN by Helmut Bardenhagen in Horneburg (Turning and Milling, Valve Service).
- 1989
Conversion to GmbH with 30 employees and relocation to Industriestraße 11, Horneburg.
- 1996
Start of the mobile mechanical processing business area.
- 1998
Spin-off of the Troisdorf branch into Bardenhagen Rhein Ruhr GmbH.
- 2002
Foundion of Gangelberger & Riedlbauer Service GmbH (GRS) in Wels, Austria.
- 2007
Foundion of a GRS branch in Ploiesti, Romania.
- 2011
25th anniversary; succession by Dr. Norbert Wolter and Gerhard Mukbel; 80 employees.
- 2012
Foundion of Bardenhagen Maschinenbau Oder GmbH, full-service site Schwedt/Oder; group reaches 110 employees.
- 2013
Opening of the full-service site Hemmingstedt (Heide Refinery); 120 employees.
- 2014
Foundion of Bardenhagen Instandhaltung Holstein GmbH.
- 2015
Operating site in the Brunsbüttel Industrial Park.
- 2016
Foundion of the Bardenhagen Academy.
- 2017
Relocation of Rhein-Ruhr to Bergheim (approx. 900 m² workshop); group reaches 150 employees.
- 2021
Acquisition of GRS, market entry into Austria/Romania; group reaches 160 employees.
- 2022
Foundion of Bardenhagen Services Romania s.r.l.