Project Description

VGM761

  • VGM761
  • VGM761
Item No.Description
1.1Seal Face and Bellow Unit
1.2Flat gasket
2Seat
  • Suitable for high temperature
    application
  • Can handle high sliding velocities
  • No elastomer secondary seals
  • Rugged design for long operating life
  • Bellows design efficiently ensure self-
    cleaning
  • Chemical industry
  • High sliding velocities
  • Hot media
  • Power plant technology
  • Refining technology
  • Bellows: Inconel® 718 (M6), Hastelloy® C-276 (M5)
  • Seal face: Carbon graphite antimony impregnated (A), Silicon carbide (Q12)
  • Seat: Silicon carbide (Q1), Special cast
    CrMo steel (S)
  • Metal parts: Duplex (G1), Carpenter® 42
    (T4), Hastelloy® C-4 (M)
  • Sizes: d1 = Upto 100 mm (Upto 4.000’’)
  • Externally pressurized: p1 = 25 bar (363 PSI), (higher
    pressure possible, please inquire)
  • Internally pressurized:
    p1 <120 °C (248 °F) 10 bar (145 PSI),
    p1 <220 °C (428 °F) 5 bar (72 PSI),
    p1 <400 °C (752 °F) 3 bar (44 PSI)
    Stationary seat lock necessary.
  • Temperature: t = -20 °C … +400 °C (-4 °F … +752 °F)
    Speed = 50 m/s (165 ft/s)
  • Single seal configuration
  • Balanced design
  • Independent of direction of rotation
  • Stationary metal bellows design