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S74-D Dual Seals

Description

Dual seal for plain shafts, unbalanced. Independent of direction of rotation. Rotating multiple springs. Seal concept based on the S70 range and variant with pumping screw available (S74F-D).

Typical Industrial Applications:

  • Adhesives
  • Chemical industry
  • Low solids content and low abrasive media
  • Media with poor lubrication properties
  • Process industry
  • Toxic and hazardous media
  • Chemical standard pumps

 

Technical characteristics

  • Flexibility in torque transmissions
  • Pumping screw for media with higher viscosity also possible
  • Self cleaning effect
  • Short installation length also possible
  • Suitable for media with low solids contents
  • Versatile application possibilities EN 12756 (For connection dimensions d1 upto 1 00 mm )

Materials

  • Seal face: Special cast CrMo steel (S), Silicon carbide (Q1, Q2)
  • Seat G9: Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B), Silicon carbide (Q1*, Q2*)
  • Seat G4: Silicon carbide (Q1*, Q2*)
  • Seat G6: Silicon carbide (Q1*, Q2*)
  • Seat G13: Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B)

* Cannot be combined with seal face made of S
Stramek
  • Factory and Headquarters
  • Sealmek Factory
  • Official Distributor