TPT May 2007

78 / 164

76 May/June 2007
Tube Russia – 28-31 May, 2007 ›››
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
applications, from MF IGBT inverters to HF
Mosfet inverters.
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.
Website:
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.
Together with its partners and
group companies, Graebener has a
comprehensive capability in designing and
building complete pipe mills.
GH Group
Spain Stand FO-A15
fi GH Group provides a range of high frequency
power supplies and induction heating equipment
Graebener GmbH & Co KG
Germany Stand FO-F11
› A JCO pipe forming press from Graebener
Œ