These lip-type buffer seals are designed for replacement in Caterpillar® cylinders. The hinged-lip design reduces friction, heat, and wear under low-pressure conditions and acts as a check valve allowing back-pressure relief. Seals for rod sizes 2-1/8″ and under do not have a back-up ring.
Caterpillar Specific Buffer Seals – DYR Style
| CATERPILLAR DYR SEAL INFORMATION | |
|---|---|
| MATERIAL | URETHANE |
| TEMPERATURE RANGE | -22° TO +230° F |
| PRESSURE RANGE | 0 to 6,000 PSI |
| SPEED | 3 FT/SEC 12 FT/SEC |
