KOK Makes The Best Quality Oil Seals
HYDRAULIC SEALS
KOK hydraulic seals are engineered for reciprocating motion in high-pressure cylinder applications where leakage control, pressure stability, and long service life are critical.
Min/Max Size: 10–400 mm
Each sealing element is manufactured under controlled processing conditions to ensure dimensional consistency and repeatable mechanical performance.
MATERIALS & APPLICATIONS
KOK hydraulic seals are available in multiple materials depending on application requirements:
- Polyurethane (PU)
- Thermoplastic Polyurethane (TPU)
- NBR
- PTFE-based compounds
Typical applications include:
- Hydraulic cylinders in industrial, mobile, and heavy-duty equipment
For second-source validation, custom design review, or material recommendation, our engineering team supports OEM and Tier suppliers throughout the development process.
OUR PRODUCTS
