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Standard Mechanical Seals

Product Description

  • Elastomer bellows rotating
  • For plain shafts
  • Independent of direction of rotation
  • Unbalanced


Item Description 
1.1 Seal face
1.2 Bellows
1.3 L-ring (spring collar)
1.4 L-ring (spring collar)
1.5 Spring
2 Seat
3 O-Ring or cup rubber

Technical Features

  • Economical seal solution
  • Suitable for mild sterile applications
  • Universal application possibilities

Typical Industrial Applications

  • Chemical industry
  • Food processing industry
  • Pulp, paper & Latex
  • Water, waste water and mild slurries
  • Chemical standard pumps
  • Helical screw pumps
  • Submersible pumps


EN 12756


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)

Performance Capabilities

Sizes: d1 Upto 100 mm (Upto 4.000’’)
Pressure: p1* = 16 bar (230 PSI)
Temperature: t = -20 °C ...+140 °C (-4 °F...+284 °F)
Speed: = 10 m/s (33 ft/s)
Permissible axial movement: ±2.0 mm


Standard Cartridge Seals

Mechanical Seals As Per API 682

Split Seals

Engineered Seals For Demanding Applications

Standard Mechanical Seals For Pumps & Compressors

Mechanical Seals For Agitators, Mixers, Kneaders & Reactors

Supply Systems & Components

API 682 / ISO 21049

Technical Information