Guarnizione 171.5 x 140 x 2mm De Dietrich 7631002

This gasket measures 171.5mm outer diameter, 140mm inner diameter, and 2mm thickness. It is used to create a tight seal between mating surfaces in boiler and burner assemblies, preventing leaks of fluids or gases. Made from a compressible material, it conforms to irregularities and ensures a reliable seal during maintenance or repair.