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Cartridge Mechanical Seal: PZ48


  • Single seal
  • Cartridge
  • Nonclogging Single-Coil Spring
  • Fits ANSI B73.1M, ISO 3069 and DIN 24960 Seal Chambers
  • Positive Mechanical Drive
  • Nonclogging Wave Spring Outside the Product
  • Full Convolution Elastomer Bellows
  • Factory-prest and pre-tested assembly



Operating conditions:

  • Temperature: -30˚C to 205˚C/-20˚F to 400˚F
  • Pressure: 28 barg/400 psig
  • Speed: Up to 25 mps / 196 fps
  • End Play/Axial Float Allowance: 0.13mm/0.005"
  • Runout/Out of Squareness: 0.05mm/0.002"


  • 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)