Wavin Optima expansion socket is made of non-toxic material and it is characterized by high strength.
One side of the fitting has socket with O-ring seal (made of rubber) and the second side is plain.
Inner coating of expansion socket is perfectly smooth, so scurf does not appear inside pipe.
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Wavin Optima expansion socket is suitable for the installation of internal drainage systems, it is used for compensation temperature expansion of the pipeline.
The expansion socket is equipped with 2 sealing rings made of butadiene styrene - they are created a sealed connection.