Joining techniques
Line pipe for the transportation of drinking water, industrial water and waste water
Steel line pipe for water and wastewater systems is available with a full range of connections to suit the intended application. The requirements and designs are standardized in DIN 2460 and EN 10311.
Depending on the operating conditions of a pipeline, such as the operating pressure and the transported medium, various joining techniques are available – and thus a variety of options and diverse degrees of freedom – for the installation of the pipeline and its subsequent operation.
Basically, we differentiate between mechanical and welded pipe joints. Examples of non-permanent mechanical joints are couplings and flanges. They are predominantly used in non-buried pipelines. As to joint welding, we offer butt-weld and slip-welding options.
Flange connection
Description
Threaded connection with various designs, such as fixed and loose flanges
Properties
Non-permanent connection for unburied pipelines Ideal for fire mains and industrial piping systems
Coupling
Description
Threaded coupling elements for pipes with grooved joints
Properties
Non-permanent connection for unburied pipelines
Ideal for fire mains and industrial piping systems
Butt-weld joint
Description
Standard end design for welded joints: Variant C3
Properties
Optimally suited for drinking water pipelines, force-locking, with axial conductivity for cathodic corrosion protection, suitable for open-cut pipeline method.
Nondestructive testing possible.
Slip welding joint
Description
Special design for aggressive media
Properties
Optimally suited for water and wastewater pipes, force-locking, with axial conductivity for cathodic corrosion protection, suitable for open-cut pipeline method. Nondestructive testing possible. During welding, the joint area can be protected with suitable sealing materials.
For more information on the joining techniques, visit the website Mannesmann Line Pipe!
4651 Battice
Belgium
+32 (0)87 59 06 80
info@evodis.be