• O-ring, 185 x 4 mm – Viton, Part# 23970517 $18.55

    This is a Viton O-ring made for your Leybold E150 and DK100 piston vacuum pumps . Made from durable Viton, this ring provides a reliable seal that resists heat and chemicals, ensuring leak-free operation .

  • O-ring, 192 x 3.5 mm – Viton, Part# 23970518 $15.24

    This is a Viton O-ring made for your Leybold piston vacuum pump.  It is designed to fit models including the E75, E150, E250, DK100, and DK200 . Made from durable Viton, this ring provides a reliable seal that resists heat and chemicals.

  • O-ring, 300 x 3 mm – Viton, Part# 23970403 $32.20

     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 .

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