Polypac Rod Wiper Seal — Reliable Protection for Hydraulic Rods

Polypac Rod Wiper Seal effectively keeps contaminants away from hydraulic rods, reduces wear, and extends seal life. Precision-made, available in PTFE and elastomers, with custom sizes and fast delivery.
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Product Description

Polypac Rod Wiper Seal — Keep Your Hydraulic Rods Clean and Protected

Polypac Rod Wiper Seal is designed to block dirt, dust, water and other contaminants from entering hydraulic cylinders. Built for durability and smooth operation, it protects sealing systems and prolongs component life in a wide range of working environments.

Why Choose Polypac Rod Wiper Seal?

  • Effective contamination exclusion: the wiper lip wipes away particles each stroke, preventing abrasive ingress.
  • Long-lasting materials: available in filled PTFE and high-performance elastomers (NBR, FKM, EPDM, silicone) to suit oil, temperature and abrasion demands.
  • Low friction design: reduces wear on rods and adjacent seals, improving system efficiency and lowering maintenance needs.
  • Precise fit and easy installation: manufactured to tight tolerances for a secure fit and quick assembly on new or existing cylinders.

Applications

Ideal for construction machinery, agricultural equipment, industrial hydraulics, mobile hydraulics and any system where rods are exposed to harsh conditions. Polypac wipers are especially valuable in dusty, wet or high-cycle applications.

Polypac Advantage

Polypac is a technical seal manufacturer with over a decade of specialization in sealing materials and custom solutions. Our factory spans more than 10,000 m², with 8,000 m² of production space and advanced testing equipment. We began with filled PTFE products and now offer a broad range of O-rings and seals, backed by partnerships with universities and research institutes for continuous improvement.

Customization and Support

We offer custom sizes, compound choices and small-to-large batch production to meet special working conditions. Our technical team helps select the right material and profile to match your system’s pressure, temperature and environmental needs.

Choose Polypac Rod Wiper Seal for reliable protection, longer seal life and reduced downtime. Contact us to specify material, size and delivery options tailored to your application.

Detailed display

  • FD Scraper Seals

Q&A

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.
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.
How important is surface finish on the metal parts that contact the seal?
Extremely important. A rough surface will abrade and wear out the seal quickly, causing leaks. A finish that is too smooth can prevent a lubricating film from forming. A typical recommended surface finish for dynamic applications is 0.2 to 0.8 μm (8-32 μin) Ra.
What is the difference between NBR and FKM materials?
NBR (Nitrile/Buna-N): A general-purpose, cost-effective material with excellent resistance to petroleum-based oils and fuels. It has a standard temperature range of -30°C to +100°C (-22°F to +212°F). FKM (Fluoroelastomer/Viton®): A premium material with excellent resistance to high temperatures (up to 200°C+), chemicals, and oils. It is used in more severe environments but is more expensive than NBR.
Get in Touch
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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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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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How Can We Help You?

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

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Please enter a valid phone number!
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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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