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4HLQ Pump-specific cartridge mechanical seal

Pump-specific cartridge mechanical seal 4HLQ

For the HPK-L pump type series. Single, unbalanced component seal, dynamic design. Used in combination with KSB's 4HL single mechanical seal.
Spare Parts

Main Applications

  • Hot water transport
  • Handling heat transfer fluids

Technical Data

Cartridge seal
Yes
Design
Dynamic
Balancing
Unbalanced mechanical seal
Sealing type
Single
Maximum allowable fluid temperature
100 °C

Benefits

  • The mechanical seal is used with quench (unpressurised buffer fluid) for pumps handling hot water or thermal oils to prevent dry running or cracking of the thermal oil when in contact with atmospheric oxygen.
  • Combined with KSB's 4HL single mechanical seal this is an optimum sealing solution for demanding fluids.
  • The design facilitates installation with no need for assembly fixtures or adjusting dimension.