Leybold piston pump sealed and efficient with this Viton O-ring. The O-ring, 300 x 3 mm – Viton, is a direct replacement part designed for a perfect fit on pump models including the E75, E150, DK100, E250, and DK200 . Made from high-quality Viton, it offers superior resistance to heat and chemicals compared to standard rubber seals .

this Viton O-ring . The O-ring, 330 x 4 mm – Viton, is a direct replacement part used on Leybold E250 and DK200 pumps . This critical sealing component is also found in official Leybold gasket kits for these models . Made from high-quality Viton (FKM), this seal offers superior resistance to heat and chemicals compared to standard rubber seals .