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Series IPSM 725

Reverse Balanced Single Acting Seal

Factory-assembled cartridge seal for stainless steel agitators.

Reverse Balanced Single Acting Seal

Series IPSM 725 is a factory-assembled cartridge seal for stainless steel agitators. It runs as a wet seal with a clean lubricating medium that continuously lubricates and cools the seal faces.

The reverse-balanced hydraulic design keeps face loading stable even when the barrier medium pressure varies, making IPSM 725 well suited to top-entry agitators and reactors that see vacuum-to-pressure cycling.

As a cartridge unit the seal arrives pre-set and pre-tested, so it can be fitted without on-site face setting and without disturbing the gland.

Key features

  • Factory-assembled, pre-set cartridge construction
  • Reverse-balanced faces for stable performance under pressure swings
  • Runs as a wet seal with clean external lubrication
  • Suited to vacuum and pressure duty on the same equipment

Typical applications

  • Stainless steel agitators
  • Reactors and stirred vessels
  • Top-entry mixing equipment

Materials of construction

  • Faces: silicon carbide / tungsten carbide / carbon
  • Elastomers: Viton, silicone, EPDM, PTFE
  • Metal parts: SS-316 / SS-304

Tell us your operating conditions, we will engineer the seal

Send the fluid, pressure, temperature, speed and shaft size, or a sample of the existing seal. We reply with a recommendation and a quotation.