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Wartungs- und Modernisierungsdienstleistungen von Zentrifugen

Centrifuge Service and Maintenance

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Our company offers maintenance and modernization services of all filtering centrifuge types all well-known manufacturers such as Ferrum, Andritz (Krauss Maffei), Heinkel, Rousselet Robatel and others.

Based on the requirements of the machine operator, we are able to perform tasks ranging from simple performance of periodic maintenance work to upgrading of the machine, including changes in technological and other parameters. We perform these activities on both machine and electric parts. As part of these activities, we can also complete the customer’s documentation with the necessary regulations, instructions, certificates, IQ/OQ, etc.

  • Installation of centrifuges on site
  • Teaching the operator’s staff
  • Maintenance and periodic inspections of centrifuges
  • Repairs and modernization
  • Fault diagnosis, report and precautions, repair of centrifuges of all manufacturers
  • Spare parts of original and own production
  • IQ / OQ certification

Due to our own experience with the construction and production of our own SULTRADE centrifuges, we can easily help you to refine or upgrade your centrifuge from any manufacturer. It may be:

  • Modernization for operation in the ATEX environment
  • Modernization according to GMP standards
  • Addition of workspace inertization
  • Modification, addition of control system / program

We supply OEM spare parts and our own design and production, fully exchangeable with originals for centrifuges of:

  • Ferrum
  • Andritz (Krauss Maffei)
  • Heinkel
  • Rousselet Robatel
  • and others
Generalüberholung der Trommelfilterzentrifuge Ferrum 1250/630, Hallar-Beschichtung, Hastelloy-Trommel
Refurbishment of the basket filtering centrifuge Ferrum 1250/630, hallar coating, hastelloy basket
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Nagelneuer Konus-Schnecken-Mischer Typ HV 200
Neuer Konus-Schnecken-Mischer 200 L

Brand new 200 L Screw Mixer for immediate delivery!

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Last year we produced a 200 L Screw Mixer for one European manufacturer of food supplements, we who finally had to withdraw from the contract due to the company’s reorganization.

Initially, we wanted to keep the mixer for pilot tests, but in the end, we decided to sell it, as it is still new and unused.

TECHNICAL SPECIFICATION:

  • Working volume 200 liters
  • All parts inside the vessel, vessel itself, mixing screw, arm, lid are made of stainless steel 1.4301 (AISI 304)
  • The support is clad on the underside with stainless steel sheet 1.4301
  • Inner surface of container Ra 0.8, micro-blasted on the outside (pharma/food version)
  • Surface of mixing screw Ra 0.8 (pharma/food version)
  • PHARMIX gearbox with belt drive
  • SIEMENS motor 2.2 kW, 400V, 50 Hz
  • Mixing time 150 min
  • Filling opening 600 x 304 mm with lid:
    • Construction material 1.4301, grid with mesh 40 x 40 mm
    • Flat hopper
    • Aspiration connection flange DN100 with filter bag
  • Manually rotatable butterfly outlet
  • 3 legs made of mild steel, painted to RAL 9001

If you are interested, please contact us to see the machine with the complete documentation.

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SpAF-400L-01
SpAF-400L-02

Multifunctional Unit SpAF 400 L for Sweden

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Today, a unique system leaves the factory gate (like most of our tailor-made technologies, by the way).

This is a multipurpose device that serves as both a filter dryer and a crystallizer in the previous process step. An interesting feature is the hydraulically lowered lower part of the filter using a manually operated hydraulic pump with lever.

The client is a science-led biopharmaceutical company from Sweden

Technical parameters:

  • working pressure -1 / 3 barg
  • working temperature -10 / +110°C
  • total vessel volume app. 400 L, batch volume 300 L, cake volume max.120 L, cake height 250 mm
  • cylindrical vessel diameter 780 mm, with heating jacket
  • heating and cooling jacket up to 300 L level
  • heated bottom
  • wetted material 1.4404
  • internal surface Ra ≤ 0,8, grinded, pickled, passivated
  • jacket, footings, welded cover of thermal insulation etc. 1.4301
  • bottom hydraulically lifted; hydraulic cylinders manually operated
  • manually operated hydraulic pump for lifting the bottom, placed on machine frame
  • ATEX Explosion-proof version (2014/34/EU) – II 2G IIB T3 internal and external space
  • pressure vessel acc. to the European Directive No. 2014/68/EU (PED)

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Versuchsreaktor aus Polypropylen

Experimental reactor made of polypropylene

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We designed, manufactured and delivered a tailor-made 200 L pilot reactor for a well-known German engineering company. Reactor, made of polypropylene homopolymer PP-H is intended for the recycling of black mass from lithium-ion batteries.

We manufacture various plastic containers and apparatus, which are produced in accordance with all European machinery directives and standards, as well as the TÜV certificate DIN EN ISO 3824-2:

  • Storage tanks made of thermoplastic material, made of homogeneous, spirally wound pipes with large diameters from DN 850 mm to DN 4,500 mm
  • Technological tanks and vessels such as reactors, dilution and dissolution tanks, pickling tanks and other containers for surface treatment
  • Absorption columns of any size
  • Droplet separators

We can manufacture plastic tanks according to your drawings or even design them ourselves.          

You can find more information here: Plastic Tanks & Process Equipment | LEHMANN INDUSTRIE

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