Project Description


  • VH211
  • VH211
Item No.Description
1.1Seal face
1.3L-ring (spring collar)
1.4L-ring (spring collar)
3O-Ring or cup rubber
  • Low cost seal solution
  • Suitable for mild sterile applications
  • No damage to the shaft
  • Can be employed for low solids content
  • Multifaceted application usage
  • Chemical industry
  • Food processing industry
  • Pulp, paper & Latex
  • Water, waste water and mild slurries
  • Chemical standard pumps
  • Helical screw pumps
  • Submersible pumps
  • EN 12756
  • The UG100 can also be used as a multiple seal in
    tandem or in a back-to-back arrangement.
  • Installation proposals can be supplied on
  • Dimension adaptations for specific conditions,
    e.g. shaft in inches or special seat dimensions are
    available on request.
  • Seal face: Carbon graphite antimony
    impregnated (A), Carbon graphite resin
    impregnated (B), Silicon carbide (Q1),
    Tungsten carbide (U3)
  • Seat: Silicon carbide (Q1, Q2), Tungsten
    carbide (U3), Special cast CrMo steel (S),
    Aluminium oxide (V)
  • Elastomer: NBR (P), EPDM (E), FKM (V),
    Metal parts: CrNiMo steel (G), Hastelloy®
    C-4 (M).
  • Sizes: d1 = Up to 100 mm (Up to 4.000’’)
  • Pressure: p1 = 16 bar (230 PSI)
  • Vacuum: 0.5 bar (7.25 PSI), up to 1 bar (14.5
    PSI) with seat locking
  • Temperature: t = -20°C…+140°C (-4°F…+284°F)
  • Speed: = 10 m/s (33 ft/s)
  • Permissible axial movement: ±2.0 mm
  • Single seal configuration
  • Unbalanced design
  • Independent of direction of rotation
  • For plain shafts
  • Rotary elastomer bellows design