Discover the Single Spring Mechanical Seal 12D, a high-performance Burgmann BT-RN.NU seal designed for mechanical pump shafts. Ideal for clean water, sewage, and oil applications, this seal operates in temperatures from -20ºC to +180ºC and pressures up to 2.5MPa. Customizable and OEM-friendly, it replaces original seals with factory-direct quality and fast delivery.