Based on this product's specifications, here are some alternatives and similar models
Safety valve Afriso 1/2" 2.5 bar model 42385 for heating and plumbing systems
Summary description:
Afriso safety valve model 42385 is a 1/2" pressure relief valve with a set pressure of 2.5 bar designed for heating and plumbing systems. It protects closed systems from overpressure by releasing excess fluid when the preset 2.5 bar is exceeded. Suitable for installation on boilers, hot-water circuits and pressure vessels where reliable overpressure protection is required.