RT491 Technical Features

  • Single Seal
  • UnBalanced
  • Bi-Directional

Operating Limits

  • d1 = 18 … 100 mm
  • p1 = 16 bar 232 PSI
  • T1 = -40 … 200 °C -40 …392 °F
  • Vg = 20 m/s 66 ft/s

Material Combinations

Seal Faces:

  • Carbon

Stationary Seats

  • Silicon Carbide
  • Tungsten Carbide
  • Stainless Steel
  • Ceramic

Elastomers:

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