Polypac Hydraulic Cylinder Piston Seal — Durable, Precision Sealing

Overview

Polypac Hydraulic Cylinder Piston Seal is designed to deliver reliable sealing, low friction and long service life for hydraulic cylinders used in construction, agriculture, mining and industrial equipment. Made by Polypac — a technical seal manufacturer with advanced facilities and years of R&D — these piston seals are tailored to meet demanding working conditions.

Why Choose Polypac Piston Seals

Polypac combines experienced manufacturing with material science to offer piston seals that stand up to heat, pressure and contamination. Key benefits include:

• Low friction for smooth cylinder movement and energy efficiency
• High wear resistance and long life, reducing maintenance needs
• Wide material options (filled PTFE variants, NBR, FKM, silicone, EPDM, FFKM) for different fluids and temperatures
• Custom sizes and designs to fit special cylinders and operating conditions

Material & Manufacturing Strength

Founded in 2008, Polypac began with filled PTFE seals (bronze, carbon, graphite, MoS₂, glass). Today our factory spans over 10,000 m² with 8,000 m² production space and industry-leading equipment. We work closely with universities and research institutes to ensure material performance and consistency.

Practical Value

Using Polypac piston seals reduces downtime and total operating cost. Precise dimensions and strict quality control mean a reliable seal fit and fewer leakage issues. For operators, this translates into safer machines and predictable maintenance cycles.

Applications

Suitable for single-acting and double-acting hydraulic cylinders, our piston seals are ideal for: excavators, loaders, hydraulic presses, industrial cylinders, forestry and agricultural machinery.

Get Customized Solutions

Polypac offers custom seal design and material selection for special temperatures, pressures and fluids. Contact us to evaluate your application and get piston seals engineered for lasting performance.