Based on this product's specifications, here are some alternatives and similar models
Compression sleeve for multilayer pipes TECE 63 mm (734563)
Summary description:
TECE compression sleeve for multilayer (composite) pipes with a 63 mm diameter, model 734563. Designed to form a secure press-fit connection on multilayer plumbing and heating pipes, the sleeve ensures leak-resistant joints when used with compatible fittings and pressing tools. Suitable for residential and commercial installations where durable pipe connections are required.