O-ring orm 0640 30 sp De Dietrich 7611107

An O-ring orm 0640 30 sp is a sealing ring used in boiler and burner systems to create a leak-proof connection between components. The designation orm 0640 30 sp indicates a specific size and material specification, likely a metric O-ring with a cross-section of 3.0 mm and an inner diameter of 40 mm. This part is commonly used in pumps, valves, and flanges where a reliable seal is required. EPDM or similar rubber compounds are typical for high-temperature applications. Replacing old or damaged O-rings during maintenance helps prevent leaks and ensures efficient operation of your heating equipment.