Nippon Pillar US-2 Marine Mechanical Seal
This is a single spring unbalanced seal for non-clogging operation. It is highly used in the marine and shipbuilding industry since it meets requirements and dimensions set by Japanese Marine Equipment Association.


Marine Mechanical Seal
Marine Mechanical Seal
Marine Mechanical Seal
US-2 Marine mechanical Seals drawing and dimensions chart.
Materials used :
  • Stationary Ring (Carbon/Alumina 99%/Alumina 99.5%/SiC/SSiC/TC)
  • Rotary Ring (Carbon/SiC/SSiC/TC)
  • Secondary Seal (NBR/EPDM/Viton/Silica Gel)
  • Spring and Metal Part (SS304/SS316)
Working conditions :
  • Mediums: Water, oil, acid,alkali, etc
  • Temperature: -20°C~180°C
  • Pressure: ≤1.0MPa
  • Speed: ≤ 10 m/Sec