Single Coil Spring Seal – S-88

S-88 is single coil spring seal developed for light contamination, dirty media and clogging type application. This type also allows it to fit onto a normal shaft without any balancing step. The mechanical drive of this seal is realised by grub screw which lock onto the shaft. The seal has a limited axial length, compact shape which allows easy mounting.

Seal Characteristics
  • Single Seal
  • Unbalanced
  • Helical Coil spring
  • Independent of direction of rotation
  • General Chemicals
  • Petrochemicals
  • Light Hydrocarbons
Performance Range
Shaft Diameter dl : 10…100mm
Pressure p : 10 bar
Temperature t : -20…1800C
Velocity v : 15 m/sec
Seal Faces : Carbon, Ceramic, SiC, Tung. Carbide
Metal Parts : SS304, SS316, Special Alloy
O-rings : PTFE / Viton
A – Seal Face
B – O-ring
C – Thrust ring
D – Spring
E – Retainer
F – Grub Screw
G – Snap ring
H – Stationary Seat
I – O-ring
J – Wedge