Single, unbalanced single spring seals are immensely popular. Extremely rugged and reliable, they cover a wide spectrum of applications-in water pumps, sewage pumps, submerged pumps, chemical pumps, etc.

| Standard Size |
16mm to 80mm |
| Fluid |
- |
| Max. Pressure |
10 kgf/cm² |
| Max. Temperature |
180°C |
| Max. Rotating Speed |
3,200 fpm |