TPT May 2007

T ube R ussia – 28 - 31 M ay , 2007 ›››

applications, from MF IGBT inverters to HF Mosfet inverters.

Graebener GmbH & Co KG Germany

GH Group Spain

Stand FO-F11

Stand FO-A15

In the area of tube induction welding, which often requires frequencies up to 500kHz, the natural, most reliable and efficient component is the Mosfet transistor. This technology is provided by the GH Group’s latest developments in variable frequency and automatic load adjustment. The company has launched Transithermic ® generator solid-state welders, which can weld any tube specifications allowing for any tube diameter, thickness and material. These machines provide flexibility and economy through reductions in downtime and scrap material. The network of the GH Group is arranged for locality near international customers, with facilities in Germany, China, France, Brazil, Spain, South Korea, India, Argentina and Mexico. The company’s repeat customers for solid state welders include Arcelor-Mittal, Prestar Steel, Tenaris Group and Aceralia.

Graebener Maschinentechnik GmbH & Co KG, a member of the Graebener Group, offers a specialised machine range for three areas: milling technology, tube/ bar processing technology and forming technology.

GH Group, the induction heating specialist, has supplied over 3,500 induction heating installations in 50 different countries. These systems are used for multiple applications including tube welding, tube end stress relief, tube heating for forming and tube heat treatment. The GH Group offers an entire range of modern high frequency power supplies and equipment for induction heating fi GH Group provides a range of high frequency power supplies and induction heating equipment

› A JCO pipe forming press from Graebener

Together and group companies, Graebener has a comprehensive capability in designing and building complete pipe mills. with its partners

Website : www.ghe.es

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M ay /J une 2007