- Compact
This single cartridge seal is perfectly matched to the pump’s operating conditions. - Dependable
Dynamic design with multi-spring arrangement. Sturdy and practical seal design. - Applications
The mechanical seal is used with quench (unpressurised buffer fluid) for pumps handling hot water and thermal oils to prevent dry running or cracking of the thermal oil when in contact with atmospheric oxygen. - Versatile
Combined with a single KSB 4HL mechanical seal this is an optimum sealing solution for demanding fluids. - Easy to install
The modular design facilitates installation with no need for assembly fixtures or adjusting dimensions.
Technical Description
Technical Description Mechanical seal 4HLQ
- Design Single mechanical seal
- Type Dynamic, unbalanced
- Springs Multi-spring arrangement
- Direction of rotation Bi-directional
Applications
Applications Seal 4HLQ
- hot water
- heat transfer fluids
Materials
Materials Seal 4HLQ
- Primary ring SiC (Q1)
- Mating ring “A” carbon (A)
- Elastomers FKM (V)
- Springs 1.4571 (G)
- Other Components 1.4571 (G)
Benefits
Combined with a single 4HLq mechanical seal this is an optimum sealing solution for demanding fluids.
The mechanical seal is used with quench (unpressurised buffer fluid) for pumps handling hot water and thermal oils to prevent dry running or cracking of the thermal oil when in contact with atmospheric oxygen.
The modular design facilitates installation without assembly fixtures or adjusting dimensions.

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