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BJ920N
Standard Mechanical Seals

Product Description

  • Balanced
  • Encapsulated rotating spring
  • For shafts without a step
  • Independent of direction of rotation
  • Single seal

Details

Item Description 
1.1 Seal face
1.2 Drive collar 
1.3 O-Ring
1.4 O-Ring
1.5 Spring 
1.6 Set screw 
2 Seat (G16)
3 O-Ring

Technical Features

  • Especially designed for medias with solids and
    high viscosity
  • No damage of the shaft by dynamically loaded
    O-Ring
  • Rugged and reliable design
  • Springs are protected from the product
  • Versatile applications including sterile &
    vacuum

Typical Industrial Applications

  • Conveying and bottling of dairy products
  • Dirty, abrasive and solids containing media
  • Pulp and paper industry
  • Sugar industry
  • Water and waste water technology
  • Raw sludge pumps
  • Raw sludge, sewage slurries
  • Thick juice pumps

Standards

EN 12756

Materials

Seal face: Carbon graphite antimony impregnated (A),
Carbon graphite resin impregnated (B)
Seat G16: Silicon carbide (Q1)

Performance Capabilities

Sizes: d1 = Upto 100 mm (Upto 4.000’’)
Pressure: p1*) = 0.8 abs... 25 bar (12 abs.... 363 PSI)
Temperature: t = -50 °C...+220 °C (-58 °F...+430 °F)
Speed = 20 m/s (66 ft/s)
Permissible axial movement: ±0.5 mm

U300N
Standard Cartridge Seals
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Supply Systems & Components
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API 682 / ISO 21049
Technical Information