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P750VN Standard Cartridge


Our simple P750VN Standard Cartridge is designed in accordance with API 682 / ISO 21049. It has an available integrated pumping device (P750VP) and is independent of the direction of rotation, even has multiple spring rotation.

"Low emission sealing" to the American STLE-limits. It adapts to any sealing chamber and its field of operation is extensive in terms of temperature and pressure. The metal parts of which it is composed are also available in special materials.

Typical Industrial Applications:

  • Light hydrocarbons
  • Oil and gas industry
  • Petrochemical industry
  • Refining technology
  • API 610 / ISO 13709 pumps
  • Process pumps

Technical characteristics

  • Sizes: d = Upto 110 mm (Upto 4.250’’)*
  • Pressure: p1 = 40 bar (580 PSI)
  • Temperature: t = -40 °C ... +220 °C (-0 °F... 428 °F)
  • Speed = 23 m/s (75 ft/s)
  • Permissible axial movement: ± 2.0 ... 4.0 mm depending on diameter and installation situation


  • Seal face: Carbon graphite antimony impregnated (A)
  • Seat: Silicon carbide (Q1, Q2)
  • Secondary seals: EPDM (E), NBR (P), FKM (V), FFKM (K)
  • Springs: Hastelloy® C-4 (M)
  • Metal parts: CrNiMo steel (G), Duplex (G1), Hastelloy® C-4 (M)
  • Factory and Headquarters
  • Sealmek Factory
  • Official Distributor