Büchi pressure reactors (stirred autoclaves) are used for various chemical reactions and further applications under pressure, such as hydrogenation, polymerization, catalyst screening and corrosion testing. Our small-scale pressure reactors portfolio comprises of different pressure reactor systems designed for intensive daily use in laboratories. The Büchi small-scale pressure reactors portfolio includes not stirred autoclaves - tinyclave steel, miniclave steel, miniclave inert - as well as stirred autoclaves - miniclave drive, picoclave and parallel pressure reactors.