Polypac Hydraulic Piston Seals — Reliable, Low-Friction Sealing Solutions
Product Overview
Polypac hydraulic piston seals are engineered for smooth, reliable performance in hydraulic cylinders. Designed to minimize leakage and reduce friction, our piston seals extend component life and improve system efficiency. Whether you need standard sizes or custom parts for special working conditions, Polypac provides precision manufacturing and strict quality control.
Key Features
- Low friction design for smoother operation and reduced energy loss
- Excellent wear and extrusion resistance for long service life
- Wide temperature and pressure compatibility for diverse environments
- Quick installation and consistent sealing performance
Material Options
We offer piston seals in a range of proven materials to match different needs: PTFE blends (bronze, carbon, graphite, MoS₂, glass-filled), NBR, FKM, EPDM, silicone, and high-performance FFKM. Each material is selected for its balance of friction, wear resistance and chemical compatibility.
Why Choose Polypac
Polypac is a scientific and technical seal manufacturer with a 10,000+ m² facility and 8,000 m² production space. Since 2008 we have specialized in filled PTFE and rubber seals, growing into one of China’s leading seal producers. Our advanced production and testing equipment, plus collaborations with universities and research institutes, ensure consistent quality and ongoing material innovation.
Advantages for Buyers
- Custom solutions for special working conditions—tailored sizes, compounds and profiles
- Factory-direct pricing and reliable supply backed by rigorous testing
- Experienced R&D and rapid prototyping for fast turnaround
- Wide product range including O-rings, oil seals and custom rubber rings
Applications & Ordering
Ideal for hydraulic cylinders in construction, agriculture, mobile equipment, industrial machinery and marine systems. Contact Polypac for a quote, sample or consultation—let us help you choose the right piston seal for performance and longevity.
Detailed display
LBH Type Heavy-Duty Piston Seal - Polyurethane L-Section Design
The LBH piston seal is a robust, bi-directional sealing solution specifically engineered for high-pressure hydraulic cylinders.
SPGO Type Oil Seal - Spring-Loaded Double-Lip Rotary Shaft Seal
This SPGO oil seal offers reliable performance in rotary shaft applications. Key features include:
SPGW Series High-Performance Wiper Seals Heavy-Duty Contamination Exclusion
The SPGW series is a robust wiper seal.
GSF Series High-Performance Piston Seals Low Friction & Zero Leakage
With extremely low friction and high-pressure capability.
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