W20H (Balance Seal)

W20H (Balance Seal)

Operating Range

  • Shaft diameter: 18 … 100 mm
  • Pressure: 25 bar (Max)
  • Temperature: -40 °C … +200 °C


Materials

  • Seal ring: Carbon graphite resin impregnated, Carbon graphite antimony impregnated, Tungsten carbide, Silicon carbide.
  • Mating ring: Silicon carbide, Tungsten carbideSilicon carbide, Tungsten carbide, Ceramic
  • Secondary seals: FKM, Silicon, Kalrez, Aflas.
  • Springs: SS 316.
  • Metal parts: SS 316, other materials on request.


Features

  • For Unstepped shafts.
  • Single seal.
  • Balance.
  • Independent of direction of rotation.
  • Encapsulated rotating spring.


Advantages

  • Especially designed for solids containing and highly viscous media.
  • Springs are protected from the product.
  • No damage of the shaft by dynamically loaded O-Ring.
  • Universal application.
  • Variant for operation under vacuum available.
  • fluids Over 10 years of running reference in the field.


Recommended Applications

  • Pharmaceutical industry.
  • Power plant technology.
  • Pulp and paper industry.
  • Water and waste water technology.
  • Mining industry.
  • Food and beverage industry.
  • Sugar industry.


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