RT74-D Technical Features

  • Double Seal
  • Unbalanced
  • Bi-Directional
  • Multi-Spring
  • EN 12756 – DIN 24960

Operating Limits

  • d1 = 18 … 100 mm
  • p1 = 16 (25) bar 230 (360) PSI
  • T1 = -30 … 200 °C -22 … 392 °F
  • Vg = 20 m/s 66 ft/s
  • Axial Movement
  • d1 ≤ 100 mm ± 0.5 mm
  • d1 > 100 mm ± 2.0 mm

Material Combinations

    Seal Faces:

    • Silicon Carbide
    • Tungsten Carbide
    • Stainless Steel
    • Carbon
    • Ceramic

    Stationary Seats:

    • Silicon Carbide
    • Tungsten Carbide
    • Stainless Steel
    • Carbon
    • Ceramic

    Elastomers:

    • FKM (Viton)
    • Nitryl (NBR)
    • EPDM
    • Silicon rubber

    Usable as Burgmann alternative for:

    • M74D