The Nylon Hydraulic Piston Seal Assembly is a cost-effective, high-strength sealing solution designed for hydraulic cylinders operating under moderate-to-high pressure conditions. Nylon (polyamide) offers excellent mechanical strength, abrasion resistance, and dimensional stability, making it well-suited for guide rings, wear rings, and piston seal assemblies where structural integrity and low deformation under load are critical.
Key Benefits
High Mechanical Strength – Nylon's superior tensile and compressive strength resists deformation under sustained hydraulic pressure, maintaining seal geometry throughout the service cycle
Excellent Abrasion Resistance – Outperforms many elastomers in sliding contact applications, extending service life in high-cycle or contaminated fluid environments
Low Friction Performance – Smooth surface finish reduces stick-slip and breakout force, contributing to precise actuator control
Dimensional Stability – Maintains tight tolerances under load, minimizing bypass leakage and improving volumetric efficiency
Broad Chemical Compatibility – Compatible with mineral-based hydraulic oils, water-glycol fluids, and many synthetic hydraulic media
Lightweight & Machineable – Easy to machine to custom groove profiles, ideal for OEM replacement and non-standard cylinder repair
Typical Applications
Industrial hydraulic cylinders and actuators
Agricultural and construction equipment hydraulics
Mobile hydraulic systems (loaders, lifts, presses)
Wear ring and guide ring assemblies
Custom OEM and MRO cylinder rebuilds
Operating Parameters
Temperature Range: -40°F to +230°F (-40°C to +110°C)
Pressure Rating: Up to 3,500 PSI (240 bar) depending on groove design and assembly configuration
Media: Mineral oil, water-glycol, and compatible synthetic hydraulic fluids
Speed: Suitable for low-to-medium reciprocating speeds
Available in standard and custom bore sizes to match your cylinder specifications. Provide bore diameter, groove width, groove depth, and operating pressure for a precision-fit assembly. Compatible backup rings and energizer elements available upon request.
