Polypac Rotary Shaft Seal Collection — Custom Hydraulic Oil Seals

Polypac Rotary Shaft Seal — Reliable Precision Sealing

Product Overview

Polypac rotary shaft seal products are engineered to protect rotating shafts from fluid leakage, contamination, and wear. Our range includes oil seals, lip seals, and advanced rotary shaft seals made from filled PTFE variants and High Quality elastomers. Each rotary shaft seal balances low friction, long service life, and superior sealing under pressure.

Applications & Industries

Polypac rotary shaft seals serve hydraulic pumps, motors, gearboxes, industrial mixers, automotive systems, and marine equipment. Designed for high-speed rotation, high pressure, and variable temperatures, our seals are ideal for heavy industry, construction machinery, energy, and specialized OEMs.

Materials & Customization

Built on our legacy of PTFE expertise, Polypac offers bronze-filled PTFE, carbon-filled PTFE, MoS2-filled PTFE, and glass-filled PTFE options, plus elastomers such as NBR, FKM, EPDM, silicone, and FFKM. Our custom rubber ring and O-ring factory (over 10,000 m2, 8,000 m2 workshops) enables tailored rotary shaft seal designs for special working conditions and material compatibility.

Performance & Testing

Polypac combines advanced production tools with rigorous testing to ensure rotary shaft seal reliability. We perform dynamic leakage tests, friction and wear analysis, temperature cycling, and material aging tests. Tight tolerances and precision molding deliver consistent shaft-fit performance and extended service intervals.

Why Choose Polypac

Founded in 2008, Polypac is a scientific and technical hydraulic seal manufacturer collaborating with top universities and research institutes. As one of China’s leading seal manufacturers, we provide innovation-driven rotary shaft seals backed by material R&D, industry certifications, and proven field performance.

Ordering & Support

Whether you need standard rotary shaft seals or custom-engineered sealing solutions, Polypac offers design consultation, prototyping, and volume production. Contact our technical team for material selection, CAD-assisted design, and application-specific recommendations to optimize sealing life and reduce downtime.