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DEKOMTE
DEKOMTE
About ​Dekomte
DEKOMTE is constantly working to innovate its products, in terms of their technical quality, performance, value for money and their sustainability. The employees of DEKOMTE are the source for these innovations and DEKOMTE's growth stands as testament to its use of the skills and imaginations of its staff. As well as technical innovation DEKOMTE is always reviewing what is happening in the global economy so it can change to suit the times.
FABRIC EXPANSION JOINTS
DEKOMTE fabric expansion joints are available in any geometric shape (round, square, oval)
and in any size. A metal frame, the fabric and if necessary insulation bolsters, together
with flow plates and specially shaped convectors form the construction of the fabric
expansion joint system. The metal frame serves to fix the fabric and the expansion joint to
the duct. The fabric expansion joint takes up movements as well as mechanical and acoustic
vibrations.
It usually consists of several layers. Each fulfils certain requirements, e.g. tightness,
absorption of pressure shocks, insulation and temperature decrease as well as mechanical
protection. Depending on the application and temperature additional insulation bolsters are
used. Disturbing turbulences are minimised by flow plates and the expansion joint is protected
from flow and high velocity. The convectors dissipate the heat to the ambiance to ensure that
the maximum operating temperature at the sealing layers will not be exceeded while allowing a
minimum temperature drop at the steel parts.
01
Belt Expansion Joint 1g
02
Expansion Joint 10w With Pre-Formed Convolution
03
Belt Expansion Joint 10g
04
Conical Expansion Joint 1rg
05
Flange Expansion Joint 2ug
06
Membrane Expansion Joint Me
07
Flange Expansion Joint 3wi With Pre-Formed Inwards Convolution
08
Expansion Joint 3wa With Pre-Formed Convolution
09
Flange Expansion Joint 2uf With Pre-Formed Fold
MULTI-LAYER METALLIC BELLOWS
Metal expansion joints are indispensable elements for pipeline technology. They are used to
compensate for changes in length which arise in pipelines from temperature differences. In
addition, they are able to absorb vibrations arising from pumps, motors, compressors or
turbines. Axial, lateral or angular movements can be compensated depending on the specific
situation, and we are happy to advise you on the best type of bellows.
DEKOMTE stainless steel expansion joints are manufactured as single-walled or multi-walled
bellows. The standard designs listed in the following tables provide an overview of our
range and can aid you in your design considerations. However, we would recommend that you
provide us with detailed information on each individual use as we can then technically
optimise the possible expansion joints taking account of movements, pressure, temperature
etc., which usually leads to lower costs as well.
01
Nominal diameters of metal expansion joints
02
Pressure range of metal expansion joints
03
Materials for metal expansion joints
04
Connections to metal expansion joints
SINGLE-LAYER METALLIC BELLOWS
Metal expansion joints are indispensable elements for duct systems; they are used to
compensate for changes in length which arise in duct systems from temperature differences.
In addition, they are able to absorb vibration arising from pumps, motors, compressors or
turbines. Axial, lateral or angular movements can be compensated depending on the specific
situation, and we are happy to advise you on the best type of bellows.
The metal expansion joint can be manufactured in a round and a rectangular cross section.
01
Rectangular metal expansion joints
02
Round Metal Expansion Joints
FLEXIBLE HOSES
DEKOMTE stainless steel corrugated hoses are high-grade, highly flexible and impermeable
structural elements for piping technology. They easily satisfy the requirements for this
technology with regard to resistance to pressure, vacuum tightness, temperature stability,
resistance to corrosion, flexibility and durability.
DEKOMTE stainless steel corrugated hoses are universally applicable for practically all
fluid and gaseous media as well as pumpable solid substances, if necessary using a PTFE
liner as protection against especially aggressive media or to attain a non-adhesive inner
wall (DEKOMTE PTFE chemical tubes).
PTFE BELLOWS
PTFE bellows or PTFE expansion joints and PTFE compensators combine the high corrosion resistance of PTFE and its fantastic flexion capability. Based on these two properties of PTFE, Mersen's products are suitable for use with all chemical products and compensate for repeated thermal expansion in pipelines.
01
Low Pressure PTFE Expansion Joints Type R-LD
02
High Pressure PTFE Expansion Joints Type R-HD
RUBBER BELLOWS
Rubber expansion joints are universal expansion joints for axial, lateral and angular
movement, available with fully developed rubber flanges and revolving steel flanges.
The single convolution bellow is made from different rubber qualities with pressure carrying
reinforcing high tensile nylon cord or as an alternative with reinforced layers of Kevlar or
fibreglass.
