Project Description

C811O

  • C811O
  • C811O
Item No.Description
1.1Seal face
1.2Drive collar
1.3Thrust ring
1.4O-Ring
1.5Spring
1.6Set screw
2Seat (G9)
3O-Ring
  • Versatile torque transmission available
  • Capable of self cleaning
  • Short installation length available on
    request
  • Multifaceted application usage
  • Boiler feed pumps
  • Hot water applications
  • Light hydrocarbons
  • Oil and gas industry
  • Petrochemical industry
  • Power plant technology
  • Process pumps
  • Refining technology
  • EN 12756
  • Seal face: Silicon carbide (Q1, Q2), Carbon graphite
    antimony impregnated (A),
    Aluminium oxide (V), CrMo cast steel (S)
  • Seat G9: Carbon graphite antimony impregnated (A),
    Carbon graphite resin impregnated (B), Silicon carbide
    (Q1*, Q2*)
  • Secondary seals: EPDM (E), NBR (P), FKM
    (V), FFKM (K)
  • Springs: CrNiMo steel (G)
  • Metal parts: CrNiMo steel (G), Duplex (G1)
    * Cannot be combined with seal face made of S
  • Sizes: d1 =Upto 100 mm (Upto 4.000’’)
    (Single spring: d1 = max. Upto 100 mm
    (Upto 4.000’’)
  • Pressure:

    p1 = 80 bar (1160 PSI) for d1 = 14 … 100 mm,
    p1 = 25 bar (363 PSI) for d1 = 100 … 200 mm,
    p1= 16 bar (232 PSI) for d1 > 200 mm

  • Temperature: t = – 50 °C…+220 °C
    (-58 °F…+428 °F)
  • Speed = 20 m/s (66 ft /s)
  • Permissible axial movement:
    d1 up to 22 mm: ± 1.0 mm
    d1 24 up to 58 mm: ± 1.5 mm
    d1 from 60 mm: ± 2.0 mm
  • Single seal configuration
  • Balanced design
  • Independent of direction of rotation
  • For stepped shafts
  • Multiple or wave springs rotary
    construction
  • Pumping device available for increased
    efficiency in circulation (B700F, B750F)
  • High temperature application with
    cooled stationary seats available