Polypac Hydraulic Wiper Seal – Durable Protection for Hydraulic Rods

Polypac Hydraulic Wiper Seal protects rods by scraping away dirt and retaining lubricant. Durable materials, precise fit and custom options from an advanced manufacturer ensure longer service life and reliable performance.
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Product Details

Polypac Hydraulic Wiper Seal — Reliable Rod Protection

The Polypac Hydraulic Wiper Seal is designed to keep hydraulic rods clean and functioning longer. It wipes away dust, dirt and moisture from the rod surface while helping retain lubricant inside the cylinder. Simple to fit and built for tough conditions, it reduces wear and maintenance downtime.

Key Features

  • Effective contamination removal: prevents grit and particles from entering the cylinder.
  • Durable construction: made from long-lasting elastomers and specialty PTFE materials for wear resistance.
  • Low friction design: helps maintain smooth rod movement and reduces energy loss.
  • Precise fit: manufactured to tight tolerances to ensure reliable sealing and easy installation.

Benefits for Your Equipment

Using Polypac wiper seals means longer rod life, fewer fluid leaks and reduced service costs. These seals protect internal components from contamination, improving overall system reliability and uptime.

Materials & Custom Options

Polypac offers wiper seals in a variety of materials including NBR, FKM, EPDM, silicone and filled PTFE (bronze, carbon, graphite, MoS₂, glass). We provide tailored solutions for special temperatures, chemicals or abrasive environments. Custom sizes and compound choices are available to match OEM or aftermarket needs.

Why Choose Polypac

Polypac is a scientific and technical hydraulic seal manufacturer and oil seal supplier. Our factory covers over 10,000 m² with 8,000 m² of production space and advanced testing equipment. Founded in 2008, we began with filled PTFE seals and have expanded to a wide range of elastomers and O-rings. We collaborate with universities and research institutes to develop better sealing solutions.

Applications & Ordering

Ideal for hydraulic cylinders in construction equipment, agricultural machinery, industrial presses and mobile hydraulics. For custom sizes, materials or high-volume orders, contact Polypac for fast quotes and technical support.

Contact us to get a quote or request a sample and discover how Polypac Hydraulic Wiper Seals can extend the life of your hydraulic systems.

Product Image

  • UL 平面图

Frequently Asked Questions

What does "AS568" mean?
AS568 is the Aerospace Standard that defines the dimensions for over 360 standard O-ring sizes. It is the most widely accepted sizing system in North America and globally. An AS568 number (e.g., AS568-214) specifies a precise inside diameter and cross-section.
What is the difference between a static seal and a dynamic seal?
A Static Seal is used between two surfaces that do not move relative to each other (e.g., pipe flanges, end caps). O-rings and gaskets are common static seals. A Dynamic Seal is used between surfaces that do move (e.g., piston and cylinder, rotating shaft). Rod seals, piston seals, and rotary shaft seals are designed for this purpose.
Can I reuse a seal?
We strongly recommend never reusing seals. Once compressed and used, a seal takes a "set" and its elastic properties are degraded. Reusing it almost always results in a leak. Always install a new seal during any maintenance or repair.
How can I prevent seal damage during installation?
Use Tools: Always use dedicated installation tools (e.g., picks, cones, guides). Lubricate: Always lubricate the seal and the contact surface. Protect Sharp Edges: Cover sharp threads and edges with tape or use an installation sleeve. Check the Groove: Ensure the installation groove is clean, deburred, and undamaged.

If you have any other questions, please write email to us or call us , we will reply you ASAP.

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Polypac Industrial Technology Co.,Ltd
No. 5, Hegui Mid Road, Hegui Industrial Park, Lishui Town, Nanhai District, Foshan City, Guangdong Province, P.R. China.
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Tags
Cylinder Scraper Seal
Cylinder Scraper Seal
Piston Rod Seal
Piston Rod Seal
Hydraulic Cylinder Seal Kit
Hydraulic Cylinder Seal Kit
hydraulic piston seal
hydraulic piston seal
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Whether you need product details, technical support, or a custom solution, we’re here to assist.

Your privacy matters to us. We handle your data securely, in compliance with international quality and safety certifications.

With over 10 years of sealing expertise, we are ready to provide you with reliable solutions.

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Whether you need product details, technical support, or a custom solution, we’re here to assist.

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With over 10 years of sealing expertise, we are ready to provide you with reliable solutions.

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