
Special valve designs
Our special valves are designed for use under non-standard conditions: - in the presence of system and/or differential pressures - high frequency of switching actuations - at elevated temperatures - by flame-propagation-proof components - by pressure-shock-proof components Standardisation is not an issue here because of the vast number of possible designs.
Special wheels for round link chains

Special-purpose machinery / maintenance / servicing
At its Schwerte site, MAW operates a modern machine park equipped with high-precision CNC technology for turning, milling, and welding, ensuring the highest quality standards in special-purpose machine construction. Supported by powerful crane systems and a strong partner network within the JDT Group, even complex and demanding projects can be implemented efficiently. We offer a comprehensive range of services – from the manufacture of custom components for material handling and professional assembly and maintenance work to precise machining and engineering design. With many years of experience, in-depth technical expertise, and our own in-house design department, we deliver projects exactly to your specifications – including complete technical documentation and CE certification.

Speed Monitoring
The conveyor belt speed is a significant process parameter for control and monitoring of conveyor belts. The range of Kiepe speed monitoring devices comprises units for electronic speed monitoring and speed monitors for direct coupling, as well as accessories in robust design. The compact, robust Kiepe devices for speed monitoring are used as pulse transducers and standstill, sense of direction, and speed monitors. They are actuated by switching of contacts or transmission of electronic impulses when the actual speed is under or above the preset values.

spherical plain bearings

spherical roller bearing

Spherical roller bearings
Spherical roller bearings for maximum stability GeDe Kugellager-Vertriebs-GmbH offers a wide range of high-performance spherical roller bearings in various sizes and designs. These special roller bearings have been developed to reliably compensate for shaft deflections and misalignments, thus ensuring optimum performance in a wide variety of applications. Spherical roller bearings are particularly suitable for demanding applications with high loads, such as in conveyor systems, automation technology, or other industrial applications. The quality and reliability of our spherical roller bearings are crucial for the smooth operation of your systems.

Spiral conveyor
Spiral conveyors are a robust and reliable solution for the horizontal or slightly inclined transport of screenings, sand, and sludge, even under wet and abrasive conditions. They are low-maintenance and can be customized to meet specific application requirements.
Spiral Conveyor

Spiral Crusher
JOEST Spiral Crushers are highly compact, multifunctional units designed for foundries using cold-resin bonded moulding sand. They offer a unique combination of shakeout, crushing, screening, and vertical conveying in a single machine. Thanks to their innovative design, Spiral Crushers combine several essential steps of the sand reclamation process – from shakeout of the moulding box and effective lump reduction to the conveying of reclaimed sand. Their strengths are particularly evident in space-constrained plant layouts: the vertical spiral path enables fine sand to be conveyed upwards within a minimal footprint – for example, directly to a sand cooler or magnetic separator.

Spiral Elevator
Spiral elevators are the best solution to combine a wide processing area with a small footprint. Spiral elevators can dry, heat, cool,...while conveying upwards to adjust to the production line space limitations. They offer easy maintenance while including many options like shroud for material protection from environment, adjustable retention time, direct drive to eliminate over-stroke, low dynamic reactions. With that much versatility, spirals can serve a wide range of industries such as rubber, chemicals, food, pharma, minerals, metals,...

Spiral Elevators
JOEST Spiral Elevators are the ideal solution for vertical conveying of bulk materials in confined spaces. The helical conveyor trough spirals around a central torsion tube, allowing for gentle and energy-efficient transport without the need for additional transfer points or conveying elements. Thermal processes can also be integrated directly into the system: Heated or cooled trough bottoms enable simultaneous conveying and temperature control in a single unit – saving space and reducing technical complexity. Various design options, such as dust- and gas-tight configurations, air- or fluid-cooled systems, and coated troughs, offer a wide range of process engineering applications. Each unit is custom-designed to meet specific conveying heights, diameters, heat transfer surfaces, and industry requirements. Whether in the foundry, food, chemical, or plastics industries – JOEST Spiral Elevators stand for robust design, high flexibility, and reliable performance in the most compact footprint.
Spiralringe
Spiralring für die Fördergurtreinigung Spiralringe werden auf Standardtragrollen aufgezogen zur Reinigung von Fördergurten eingesetzt. Beim Drehen der Tragrolle befördern die Spiralringe durch taumelnde Bewegung den Schmutz von der Gurtmitte nach außen. Die Spiralringe (Gummiringe) von FTK Förderband Technik Kilian GmbH haben einen permanent festen Sitz auf der Tragrolle und zeichnen sich durch abriebfeste Qualität aus. Neben dem bewährten Standard fertigen wir auch Ringe in Sonderqualität, z. B. weiß-Lebensmittelqualität, öl- und fettbeständig oder für den extremen Temperaturbereich (-40°C bis 180 °C).

SPIROLIFT® Vertical Shaftless Spiral Conveying Technology

SPIROLINE® Horizontal/Inclined Shaftless Spiral Conveyors
Intended for the transport of difficult, materials – suitable for a wide range of moisture contents and viscosities SPIRAC is the global leader in shaftless spiral (screw) conveying and manufacturing with thousands of installations worldwide. This proven technology offers significant cost and operational advantage over alternate methods of screenings, grit and sludge transport. SPIROLINE® conveyors feature a U-trough with a low RPM shaftless spiral riding on a special low friction long life trough liner. Material handling can place a lot of pressure on equipment, as many of the industries SPIRAC serves feature harmful, possibly corrosive substances. With SPIROLINE®, however, maintenance is significantly reduced when compared to traditional conveying methods. The elimination of a central shaft allows a much higher fill rate meaning solutions are more efficient when it comes to conveying, and consequently suffer less wear and power usage.
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