Based on this product's specifications, here are some alternatives and similar models
Safety valve Husty 6B 1" model 1915.25.159
Summary description:
Safety valve Husty 6B 1" (model 1915.25.159) is a pressure-relief valve designed to protect systems from overpressure. The 1-inch connection size and 6B series designation indicate a compact industrial valve suitable for boilers, pressure vessels and pipeline protection. Use for reliable automatic pressure discharge where system safety and compliance are required.