Mechanical seal KSB
4HDS
Technical Data Mechanical seal 4HDS
- Operating pressure Up to 30 bar
- Temperature Up to 150 °C*
- Spring travel ± 3 mm to ± 4 mm**
Benefits Mechanical seal 4HDS
The single mechanical seal can be fitted in the pump in different versions and arrangements, depending on the application.
Available with various mating rings, e.g.: cooled mating ring.
Perfectly matched to the application range of the pump, this high-quality mechanical seal has a very long seal life and ensures reliable pump operation.
Prerequisites
Prerequisites Installation Mechanical seal 4HDS
- Shaft run-out to ISO 5199:
- For shaft diameter ≤ 50 mm: 0.05 mm max.
- For shaft diameter 50 to 100 mm: 0.08 mm max.
- For shaft diameter > 100 mm: 0.10 mm max.
- Face run-out of the shaft in relation to the vertical connection surface of the casing:
- For shaft speed ≤ 750 rpm: 0.2 mm max.
- For shaft speed > 750 rpm to 1000 rpm: 0.15 mm max.
- For shaft speed > 1000 rpm to 1500 rpm: 0.08 mm max.
- For shaft speed > 1500 rpm to 3000 rpm: 0.025 mm max.
- The seal faces are clean and have not been touched with fingers
- The mechanical seal is in proper condition and complete.
- The elastomers are free from any contamination, cracks, softening, hardening,
stickiness and discolouration. - The mechanical seal has been placed down on a clean and level surface
Applications Seal 4HDS
Feed water and condensate in power stations
Materials Seal 4HDS
- Depending on the application
- See product literature of the pump
- Selection of suitable material variant on request