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190mm Wide Large Diameter Drain Couplings

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190mm Large Diameter Couplings:

When it comes to connecting and repairing pipes on adopted sewer and drainage applications, Flexseal Shear Banded couplings provide an effective solution. Commonly used by water companies, the stainless steel central band provides the required protection for the joint under shear loads, helping to keep the connecting pipes aligned, avoiding displacement. 

The Benefits are:

●    Ability to withstand internal pressure of a maximum of 2.5 bar
●    Pipe displacement avoided by stainless steel shear band
●    Reduces the need for major excavation
●    Approved to WIS 4-41-01
●    Approved to BS EN 681-1:1996, BS EN 295-4:2013 & BS EN 10088-2:1995

All About Shear Banded Couplings

The 190mm large diameter shear band coupling is designed to transform the way in which pipe repair is carried out. They are designed for the repair and connecting of pipes in situations where sewer and drainage applications have been adopted.

Water companies are required to use shear banded couplings when connecting pipes and this falls under the specific requirements of the Water Industry Specification (WIS) 4.41.01.

Adaptor Connections and Straight Connections

It is possible to use shear banded coupling in situations where pipes of the same diameter are being connected. However, they can also be used in situations where two pipes have different diameters by also using a Bush.

190mm Large Diameter Coupling Applications

The 190mm large diameter coupling can be used alone or with bushes while they can be used during the construction, maintenance and repair of pipe systems. 

Therefore, they can be used to:

●    Join plain ended pipes
●    Repair and maintain existing pipelines
●    Connect both short and cut lengths of pipe
●    Enable connections post-construction to existing pipelines
●    Provide a reconnection of laterals on sewers that have been renovated
●    Implement a rocker pipe situated outside structures or manholes
●    Join different pipe diameters using bushes

Flexseal large couplings are designed for a variety of applications and they come with high torque bolts that ensure the correct pressure is applied. This creates a seal that is both strong and reliable. They all come with a 13mm socket with a ⅜” square drive ensuring that installers can complete the installation efficiently.