Flexseal 121-136 / 110-121mm Adaptor Coupling AC4000

Flexseal 121-136 / 110-121mm Adaptor Coupling AC4000 ( previously known as Flex)

One end of this drainage adaptor can be connected to a pipe with an outside diameter of between 121mm and 136mm, while the other end can be connected to a pipe with a reduced outside diameter of between 110mm and 121mm. Its robust design allows it to connect pipes of different material types too, such as plastic, concrete and clay, making it suitable for use with both traditional and modern pipe systems.

Important Note: This adaptor coupling is not suitable for use with ribbed pipe.

Product Features at a Glance:

• Made from EPDM rubber.


• Quick and easy to install.


• Stainless-steel clamps ensure a tight seal.


• Connects pipes of different outside diameters without the use of a bush.


• Suitable for use on any pipe material.


• Pressure rating of 0.6bar, 8.70psi and a jetting resistance of 180bar.


• Temperature range between -50°c to 80°c (constant)/up to 100°c (intermittent)


• Tightening Torque = 6Nm