ROTEX-DN Technical Features

  • Double Seal
  • Cartridge Type
  • Balanced
  • Rotation Independent
  • Integrated in Pump Systems

Working Limits

  • Shaft Dimension: d1=25…100 mm
    (Other dimensions upon request)
  • Temperature: t=-40…220 °C
  • For Car/SiC surface combination:
    Pressure: p1=25 bar
    Peripheral Velocity: Vg=16 m/ s
  • For SiC/SiC and TuC/SiC surface combination:
    Pressure:p1=20 bar
    Peripheral Velocity:Vg=10 m/s
  • Coolant Circulation System:
    Pressure: P3 = 25 Bar
    ∆P( P3 – P1 )Ideal = 2 … 3 Bar
  • Coolant with Weak Lubrication Properties: 7 Bar
    Pump Starting Up:
    ∆P ( P3 – P1 )Max =25 Bar
    Axial Movement: ± 1.0 mm D1 ≥ 75 mm ± 1.5

Material Combinations

  • Ideally Used in Standard Pump Processes -Ideal Seals for Standardization
  • In Centrifugal Pumps, Shaft is Protected from Damage by Dynamically Loaded O-Ring
  • Long Lifetime Use
  • Installation and Assembly Errors are Prevented
  • Low Operating Cost –Dirt and Dust Cannot Damage the Seal During Installation
  • Pre-Installed Thanks to the Packing Group, It Provides Simple and Easy Installation and Time Losses During Installation Are Reduced
  • Customer-Specific Designable System