H&K GripMaster® Sanding System

In rail vehicles, sanding systems are safety-relevant systems which ensure safe braking and acceleration. They increase the contraction between wheel and rail in order to improve the friction ratio.

Working closely together with manufacturers and operators, HANNING & KAHL develop innovative and reliable sanding systems with a modular structure and customized design. From project planning to design engineering, development to manufacture and sales, customers get everything from the one experienced source.

The absence of moving components in contact with abrasive sand is a major technical advantage of the GripMaster® Sanding System. Compact design and low LCC costs are decisive arguments for users.

GripMaster® Components

1. Sand box
The sand boxes are welded high-grade, steel or cast aluminium constructions. Vehicles can be filled from the outside through filler flaps and also from the inside. The filler flaps are freely selectable to allow filling by hand or sand gun. Level switches signal sand-fill level. A drying function can also be installed.

2. Sanding outlet
HANNING & KAHL’s sanding system works on the ejector principle. In the dispensing unit underneath the sand box, sand is sucked out of the box and accelerated by the conveying stream. Air and sand come together and are guided via the conveying hose to their destination – the wheel-rail contact. The downwardly inclined outlet direction of the dispensing unit offers a high degree of flexibility for individual routing of the conveying hoses.

3. Compressor
The compressor was developed for application in sanding systems and works oil-free on the vane or rotary vane principle. Major advantages are faster pressure build-up and consistent volume flow. This means short reaction times and no additional pressure vessels. This saves space in the vehicle, and operators do not have to perform cost-intensive and time-consuming pressure-vessel maintenance.

4. Sanding nozzle
The height-adjustable sanding nozzle enables targeted and efficient sand dispensation. The compact aluminium construction protects against water ingress and ensures even distribution of the sand grains on the rail. For extreme climatic conditions, the sanding nozzle can be provided with heating. The self-regulating heating cartridges accelerate drying and prevent ice forming on the nozzle.

Hanning & Kahl GripMaster® Sanding System
H&K GripMaster® Sanding System

H&K GripMaster® Sanding System

Hanning & Kahl GripMaster® Sanding System
H&K GripMaster® Sand Box

Local Support

As the authorised Australian and New Zealand Service Center, IMTRAM is able to provide dedicated local support for Hanning & Kahl products.

With over a decade of experience, IMTRAM is a trusted partner for expert advice, seamless service, and comprehensive overhauls.

For more information, please contact us.

Secheron HSCB UR26
IMTRAM – H&K Service Center

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