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Cartridge Mechanical Seal: PZ01


  • Single seal
  • Cartridge
  • Balanced
  • Independent of direction of rotation
  • Single seals without connections, with flush and with quench combined with lip seal or throttle ring
  • Additional variants available for ANSI pumps and eccentric screw pumps


Operating conditions:

  • Temperature: -40°C to 220°C/-40°F to 428°F
  • Pressure: 25 bar (363 PSI)
  • Sliding velocity: vg = 16 m/s (52 ft/s)


  • Seal face: Silicon carbide (Q1), Carbon graphite resin impregnated (B), Tungsten carbide (U2)
  • Seat: Silicon carbide (Q1)
  • Secondary seals: FKM (V), EPDM (E), FFKM (K), Perflourocarbon rubber/PTFE (U1)
  • Springs: CrNiMo steel (G), Hastelloy® C-4 (M)
  • Metal parts: CrNiMo steel (G), CrNiMo cast steel (G)