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Cartridge Mechanical Seal: PZ47


  • Single seal
  • Cartridge
  • Reversible Seal Head
  • Fits ANSI B73.1M, ISO 3069 and DIN 24960 Seal Chambers
  • Optimized Primary Ring Design for Greater Reliability
  • Nonclogging Wave Spring Outside the Product
  • Seal has an optional quench gland with carbon ring throttle bushing.
  • Factory-prest and pre-tested assembly



Operating conditions:

  • Temperature: -30˚C to 205˚C/-20˚F to 400˚F
  • Pressure: Up to 3.000"/75mm: 300 psi(g)/21 bar(g) max. 75mm/3.000" and Over: 200 psi(g)/13 bar(g) max.
  • Speed: 25 m/s (83 ft/s)


  • Seal face: Sintered/Reaction bonded Silicon carbide (Q1/Q2), Antimony/Graphite resin impregnated carbon (A/B), Tungsten carbide (U2)
  • Seat: Sintered/Reaction bonded  Silicon carbide (Q1/Q2)
  • Secondary seals: FKM (V), EPDM (E), FFKM (K)
  • Springs: CrNiMo steel (G), Hastelloy® C-4 (M)
  • Metal parts: CrNiMo steel (G)