Based on this product's specifications, here are some alternatives and similar models
Press fitting with internal thread Uponor 50 mm — Rp 1 1/2" (model 1046907)
Summary description:
Uponor press fitting with internal thread, model 1046907, for 50 mm pipe connection with Rp 1 1/2" female thread. Designed for use in plumbing and heating systems where a press-join connection to threaded components is required. Compatible with Uponor press installation methods; provides a secure mechanical seal for transporting water in residential or commercial installations.