Based on this product's specifications, here are some alternatives and similar models
Thermostatic radiator valve straight DN20 with presetting DANFOSS 90482000521
Summary description:
Straight thermostatic radiator valve DN20 from DANFOSS with factory presetting. Designed to regulate flow to radiators in hot-water heating systems, this valve offers preset adjustment for stable temperature control and simplified balancing. Suitable for residential and commercial radiators with compatible DN20 connections; used for individual room temperature regulation and hydraulic balancing.