Based on this product's specifications, here are some alternatives and similar models
Thermostatic Angle Valve Herz 1/2" special body, model 1772891
Summary description:
Thermostatic angle valve Herz model 1772891 is a 1/2" valve designed for controlling radiator or heating circuit flow with a special body shape. It provides thermostatic control when paired with a compatible actuator/thermostatic head, enabling temperature regulation and balancing in room heating installations. Suitable for residential and commercial radiator connections.