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K+F GmbH – Fertigung

Steel structures, plant components and special steel construction from site survey to industrial installation

K+

K + F Kranbau und Fördertechnik GmbH

IndenNew on Amplifa

1991Founded
IndenLocation
2000 kgMax. piece weight cathode rotating device
up to 500 tLoad capacity rotating spreader beam for large transformers

About K+F GmbH

K + F Kranbau und Fördertechnik GmbH is an owner-managed contract manufacturer in metal and plant engineering based in Inden near Aachen. Founded in 1991 as a supplier and service company for crane systems and conveying technology, the company today manufactures steel structures of every kind – from simple components to complex plant components. Its range of services covers site survey and engineering, manufacturing and industrial installation, plant construction as well as maintenance and repair, complemented by special solutions in special steel construction. As an approved specialist company under the Federal Water Act (WHG), the company manufactures and installs tanks, containment trays and pipelines for LAU and HBV installations. Its customers include companies from the paper industry, lignite open-cast mining, power plants, the gravel and concrete industry as well as tank and mechanical engineering; reference projects range from the cathode rotating device for aluminium molten-salt electrolysis to the rotating spreader beam for large transformers up to 500 t.

Site
Inden
Processes
Steel construction, Site survey & engineering, Manufacturing, Industrial installation, Plant construction (conveyor systems, components for foundry plants, special solutions for special, Maintenance & repair (open-cast mining equipment, foundries, crane systems), Welding (welders documented as personnel, welding engineer available), Manufacture of tanks, containment trays and pipelines (specialist company under the Federal Water
Materials
Steel (steel structures, steel and plant construction), Aluminium (molten aluminium, cathodes for molten-salt electrolysis – plant components for these), Steel, Aluminium, Specialist company under the Federal Water Act
Certificates
Specialist company under the Federal Water Act (WHG), Welding engineer (QSt), Crane expert (employers' liability insurance association)
Founded
1991
Industries
Steel construction, Plant engineering, Paper industry, Lignite open-cast mining, Power plants, Gravel and concrete industry
  1. 01

    Site survey

  2. 02

    Engineering

  3. 03

    Manufacturing

  4. 04

    Welding

  5. 05

    Industrial installation

  6. 06

    Maintenance & service

Materials & Processes

St

Steel

Material for steel structures, plant components, tanks, containment trays and pipelines in steel and plant construction.

Al

Aluminium

Plant components for molten-salt electrolysis, e.g. rotating devices for cathodes up to 2000 kg.

WHG

Specialist company under the Federal Water Act

Approval for construction, repair and installation of tanks, containment trays and pipelines at LAU and HBV installations.

Locations

Standort Inden

Inden

DE

Head office, production hall

Materials
Steel

Components & Reference Projects

Cathode rotating device
Cathode rotating deviceSpecial steel construction · Aluminium industry
Rotating spreader beam for large transformers
Rotating spreader beam for large transformersSpecial steel construction · Power plants
Coal conveyor bridge
Coal conveyor bridgeSteel construction · Lignite open-cast mining

Inside the production

K+F GmbH production hall in Inden
K+F GmbH production hall in Inden

Industries

Steel constructionPlant engineeringPaper industryLignite open-cast miningPower plantsGravel and concrete industryTank constructionMechanical engineeringFoundry technologyAluminium industry

Processes & technical limits

ProcessesToleranceMax. partWeightLot sizeMaterials
Steel constructionEngineering––––Steel
Site survey & engineeringEngineering––––Steel
ManufacturingJoining––––Steel
Industrial installationInstallation–––––
Plant construction (conveyor systems, components for foundry plants, special solutions for specialEngineering––––Steel
Maintenance & repair (open-cast mining equipment, foundries, crane systems)Installation–––––
Welding (welders documented as personnel, welding engineer available)Joining––––Steel
Manufacture of tanks, containment trays and pipelines (specialist company under the Federal WaterJoining––––Steel
Special solutions / special fixtures (e.g. cathode rotating device)Engineering––2000 kg–Aluminium (customer cathodes)
Disassembly of large transformers using rotating spreader beam up to 500 tInstallation––500 t––
Crane systems and conveying technology (supplier and service company)Installation––––Steel
Heavy-lift transportInstallation–––––

Additional services

Site survey & engineeringManufacturing & installationPlant constructionIndustrial installationMaintenance & repairCrane system serviceSpecial solutions/special steel constructionSpecialist company for tanks, containment trays, pipelines (LAU/HBV)

Reference customers

Voerde Power PlantInden open-cast mineFortuna open-cast mineWasel Cranes (partner, coal conveyor bridge)

Quality

A graduate engineer with qualification as a welding engineer and a crane expert approved by the employers' liability insurance association is responsible for quality assurance and documentation. Manufacturing follows proven practices with verified welder qualifications.

EvidenceInden
Welding engineer (QSt)
Crane expert (employers' liability insurance association)
Specialist company under the Federal Water Act (WHG)

History

  1. 1991

    Founded as a supplier and service company for crane systems and conveying technology.

  2. 1999

    Jürgen Sieben joined the company, initially as master foreman responsible for the workshop.

  3. 2001

    Jürgen Sieben moved to the executive management.

  4. 2005

    After the departure of the company founder, Jürgen Sieben took over sole management; expansion of the core business into a versatile supplier to industry.

  5. 2021

    Approval as a specialist company under the Federal Water Act (WHG).

  6. 2023

    Heavy-lift transport to the Inden open-cast mine.

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