News | LEHMANN INDUSTRIE

Lab Ribbon Mixer Dryer for the Ghent University

December 20, 2023
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We have just delivered a laboratory conical ribbon mixer vacuum dryer with a hinged lid on a stand to the University of Ghent in Belgium.

Mobile nutsche filter for the University of Bayreuth

December 19, 2023
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Our company has become a recognized partner for the supply of equipment to European R&D centers and university laboratories. One such example is the custom-made design, manufacture and delivery of a mobile nutsche filter DN300-25 L for the University of Bayreuth.

TECHNICAL SPECIFICATION

Working temperature 100 °C.
Operating pressure -1 / + 3 bar
Cylindrical vessel with domed base and domed hinged lid
Diameter of the cylindrical part of the filter body 300 mm, height of the cylindrical part 400 mm
Removable sieve with handles, perforated base with filter plate attachment
Total filter volume approx. 30 L
Filter surface area 0.04m²
Material of construction: stainless steel AISI 316
Inner surface roughness (in contact with product) Ra < 0.8 μm, including roughness measurement protocol
Outer surfaces brushed
Filter on 3 legs, with 3 swivel wheels with brakes

Removable filter basket with handles of the mobile nutsche filter DN300-25 L

Static nutsche filter DN300 with open hinged lid for the University of Bayreuth

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Height of the filter gap flange above the floor 600 mm
Design and manufacture according to PED 2014/68/EU

Other Lab Ribbon Mixer Dryer Visualization

December 12, 2023
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Visualisierung eines weiteren konischen 4-Liter-Labor-Bandmischtrockners für die Glovebox für einen Kunden in Belgien. Das System besteht aus dem Trockner, der Vakuumpumpe, dem Wärmetauscher und einem Kondensator auf einem gemeinsamen Rahmen.

Lab Ribbon Mixer Dryer Visualization

December 11, 2023
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Visualization of a 4 L Lab Conical Ribbon Mixer Dryer intended to the glovebox for the Ghent University in Belgium. The system consists of the dryer, the vacuum pump, the heat exchanger, and a condenser, on a common frame.

Centrifuges in stock

November 29, 2023
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Our company offers maintenance and modernization services of all filtering centrifuge types from various manufacturers.

Based on machine operator requirements we can carry out actions ranging from periodic maintenance up to machine modernization including changes in process and other parameters. We carry out these activities both on mechanical and electrical parts of the system.

We currently have the following centrifuges on stock. We offer them for testing or purchase. We can retrofit all offered centrifuges with a control system, a control panel, and an inerting unit. Each offered centrifuge will have a CE and ATEX certificates along with the new documentation.

FERRUM DSZ-OR 800/400

Year of production: 1998
Top Discharge Vertical Centrifuge
Material of construction: stainless steel Nr. 1.4435
Basket: Ø 800 x 400 mm
Motor power: 5,5 kW
Basket sped: 1500 rpm
Useful volume: 103 L
Max. load 125 kg
Suitable for ATEX zone EEx de II C T4

SULTRADE SCVT 800/400

Year of production: 2002
Vertical Peeler Top Discharge with possibility of an automatic discharge to the product tank by a nitrogen
Material of construction: stainless steel Nr. 1.4435
Basket: Ø 800 x 400 mm
Motor power: 11 kW
Basket speed: 1500 rpm
Useful volume: 103 L
Max. load 125 kg
Suitable for ATEX zone Ex II 2G IIB T4

FERRUM HSZ-PHR 800/400

Year of production: 1995
Horizontale pharmazeutische Schälzentrifuge
Basket: Ø 800×400 mm
Suitable for ATEX

FERRUM SULTRADE VBC 800/400

Year of production: 2006
Vertical Peeler Bottom Discharge Centrifuge
Material of construction: stainless steel Nr. 1.4435
Basket: Ø 800 x 400 mm
Motor power: 11 kW
Basket speed: 1500 rpm
Useful volume: 103 L
Max. load 125 kg
Suitable for ATEX Ex II 2G IIB T4

SULTRADE SPC 230

Year of production: 2022
Horizontal Continuous Pusher Centrifuge
Pusher drive: mechanical
Basket: Ø 180/230 mm
Basket speed: 3200 rpm
Throughput: 1500 kg/h

FERRUM DSZ-UR 1250/630

Year of production: 1991
Vertical Peeler Bottom Discharge Centrifuge
Material of construction: stainless steel Nr. 1.4435
Basket diameter: Ø 1250 mm
Motor power: 27 kW
Basket speed: 950 U/min
Useful volume: 400 L
Max. load: 500 kg
Suitable for ATEX Ex II 2G IIB T4

New Filter Dryer DN1100

November 21, 2023
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This Tuesday we handed over a new filter dryer to the customer. This one has a diameter of the filtering plate 1100 mm and a total volume of 900 liters (cake volume 300 liters). Material of construction stainless steel AISI 316 L, ATEX execution.