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Slimline Cartridge Double Seal

  • Equipped with flushing, quenching, and drainports as standard.
  • The cooling system where the water is directly injected onto the seal faces provides the highest cooling efficiency.


  • Cartridge
  • Balanced
  • Ultra compact design
  • Double
  • Independent of direction of rotation
  • Inboard seal can withstand both forward and back pressures
  • Stationary, inside mounted type
  • Springs do not contact the liquid

Product specification example


Seal face (Inboard side) : Silicon carbide (Q1)

Seal face (Atmosphere side) : High density carbon graphite

Seat : Silicon carbide (Q1)

Metal parts: CrNiMo steel 316(G)

Secondary seals: FKM (V)

Operating range

Pressure: p = Vacuum … 10 bar (145 PSI)

Temperature: t = -20 °C … 160 °C (-4 °F … 320 °F) (oil), 0 °C … 80 °C (32 °F … 176 °F) (water)

Sliding velocity: vg = 20 m/s (66 ft/s)

Viscosity: … 1 Pa·s

Solids content: … 10wt. %

Recommended applications

Process industry
Refining technology
Petrochemical industry
Chemical industry
Pharmaceutical industry
Pulp and paper industry
Water and waste water technology
Food and beverage industry
Metal production and processing
Alkaline solutions
Salt solutions
Low viscosity oils
Chemical pumps
Process pumps
Universally applicable
EagleBurgmann Japan

Applicable ranges shown in the product introduction are limit values for each standard material.
Applicable ranges, performance data and figures can serve only as a guide for selection and therefore in actual use there will be some cases where general specifications cannot be applied due to unknown factors or constraints.
Please check the applicability before use.
The contents are subject to change without notice for improvement.


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