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Story Box-ID: 492512

Witzenmann GmbH Östliche Karl-Friedrich Str. 134 75175 Pforzheim, Germany http://www.witzenmann.de
Contact Ms Ulrike Brandauer +49 7231 581208
Company logo of Witzenmann GmbH
Witzenmann GmbH

Consulting competence and intensive service, close to the customer

(PresseBox) (Pforzheim, )
Since the 1970s, the current Witzenman subsidiary Benelux has been located in Oelegem in northern Belgium, where it serves industrial customers there with flexible metallic elements.
In the crossborder economic region of Antwerp-Rotterdam, the regional economy is strongly influenced by the two large sea harbours. Due to long-term customer relation-ships in the petrochemical industry and refinery and system construction, Witzenmann Benelux has comprehensive competencies and an extensive know-how when it comes to hangers and supports for these branches of industry.

Spring hangers as an affordable variant
Spring hangers are flexible pipe brackets with linearly adjustable support behaviour. The load capacity increases in case of downward movements of the heat-conducting pipe and decreases in case of upward movements. Vertical movements up to 60 mm can thus be compensated without a problem. For pipe systems and component connections that can stand changes or a difference in the load capacities between the mounting and operating state, Hydra spring hang-ers are an affordable variant in comparison with constant hangers.

The reliable support behavior is considerably dependent on the properties of the high-quality springs used. Due to the special surface treatment and material coating, Hydra spring hangers are permanently able to guarantee a linearly constant force-distance characteristic curve, even over long operating times.
For installation, cylindrical screw springs according to DIN 2095 and DIN 2096, which can be cold-coiled or hot coiled according to wire diameter.
In each case, they are surface-treated using the shot-peening method and then subjected to a preparatory phosphatisation. According to the requirements for use, various coatings can be selected. From standard painting using impact-resistant, highly elastic alkyd resin paint to plas-tic or Teroson coatings for outdoor use. The 100% crack detection test on all springs guaran-tees a complete freedom from cracks.

Relaxation
Relaxation is a loss of energy when loaded dependent on tension, temperature, and time.
Use special thermal treatments, this loss of inherent tension can be considerably reduced in the case of Hydra spring hangers in comparison with the usual screw springs.

Permanently protected springs
The housing of the Witzenmann spring hangers encloses the springs and protects them from mechanical damage. The spring retaining collar centres the springs and prevents them from rubbing against the housing. Like all parts of the spring hanger, the housing parts are also pro-vided with suitable surface protection before assembly. According to the conditions of use, a wide spectrum is available for corrosion protection, from galvanisation and hot dip galvanisation or plastic coating to painting. Since the final assembly takes place solely through form closure, the surface production cannot be destroyed by welding or other mechanical processing.

Uncomplicated assembly and non-wearing operation
All spring hanger designs can be mounted to all kinds of support structures easily and safely without using special tools. The label attached to the type plate guarantees the correct adjust-ment of the heat and cold position of the spring hanger. Here, colour markings on the distance scale provide precise information. The patented, infinitely adjustable blocking holds the spring retaining cup in position and can be loosened only if the means of load suspension is correct. The means of load suspection can be adjusted simply by turning the turnbuckle. In the process, the lug on the spring retaining cup acts as an anti-torsion device.

Subsequent reblocking is possible in any position. For this purpose, the blocking bar with mov-able lamellae can be stored on the housing in an unlosable manner.

The structural principle, which is free of wear parts, and the design guarantee permanently maintenance-free operation over the entire service life of the spring hangers.

Witzenmann GmbH

"Managing flexibility" is the competence claim of the Witzenmann group. In 1885, the jew-ellery manufacturer Heinrich Witzenmann of Pforzheim founded the metal hose and ex-pansion joint industry with his famous invention of the metal hose.
Today, the Witzenmann group is the world's leading manufacturer of flexible metallic components, such as metal hoses, expansion joints, metal bellows and automotive parts. In 2011, a total of 3300 employees achieve a turnover of approximately 460 million Euro.

In being a development partner for customers in the automotive industry, general industry, HVAC and other markets up to aerospace technology, the close cooperation between the customers and Witzenmann's competence centre in Pforzheim (Germany) is vital: A pool of highly qualified engineers carries out product developments and works on the applica-tions of tomorrow.

As an international group with 23 companies, Witzenmann stands for high quality in the key markets worldwide – as technology leader and World’s No. 1. With the companies in Europe, USA, Brasil, China, Korea, India and Japan Witzenmann is present worldwide - with all its experience and competence.

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The publisher indicated in each case (see company info by clicking on image/title or company info in the right-hand column) is solely responsible for the stories above, the event or job offer shown and for the image and audio material displayed. As a rule, the publisher is also the author of the texts and the attached image, audio and information material. The use of information published here is generally free of charge for personal information and editorial processing. Please clarify any copyright issues with the stated publisher before further use. In case of publication, please send a specimen copy to service@pressebox.de.