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Polypac O-Ring Activated Seal — Reliable Hydraulic & Oil Sealing

Polypac O-Ring Activated Seal combines a low-friction sealing lip with a resilient O-ring core for durable, leak-free performance in hydraulic and oil systems. Custom materials, strict testing, and large-scale manufacturing ensure reliable results.

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Product Description

Product Overview

What is the O-Ring Activated Seal?

Polypac O-Ring Activated Seal pairs a molded sealing lip with an elastomer O-ring to deliver tight, low-friction sealing for hydraulic and oil applications. Designed for dynamic and static conditions, it minimizes wear and maintains sealing under pressure, temperature changes, and contamination.

Why Choose Polypac O-Ring Activated Seal

Reliable Performance

Our seals are engineered to provide stable sealing over long service life. The O-ring core keeps consistent preload while the outer sealing lip reduces friction and heat, improving equipment efficiency and lowering maintenance frequency.

Custom Materials & Sizes

We offer a wide range of materials—including NBR, FKM, Silicone, EPDM, and FFKM—so you get the right compound for oil, chemical exposure, or high temperature. Polypac supports custom dimensions and special compounds to match unique working conditions.

Quality You Can Trust

Polypac operates a 10,000+ m² facility with 8,000 m² of factory space and advanced production and testing equipment. Since 2008 we have developed filled PTFE products and expanded into diverse O-ring materials. We collaborate with universities and research institutes to ensure product reliability and innovation.

Key Advantages

Low Friction & Long Life

The O-ring activated design reduces wear on shafts and housings, extending component life and improving system efficiency.

Wide Application Range

Suitable for hydraulic cylinders, rotary shafts, pumps, and other oil or fluid systems in industrial, mobile, and marine equipment.

Fast Customization & Testing

With large-scale manufacturing and strict in-house testing, Polypac delivers fast lead times and dependable performance verification for your project.

Polypac O-Ring Activated Seal offers a cost-effective, high-performance solution for demanding sealing needs. Contact us for samples, CAD drawings, or a custom sealing plan tailored to your application.

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Frequently Asked Questions

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.

How do I choose the right material for my sealing application?

Material selection depends on four key factors: Media: What fluid or gas will the seal contact? (e.g., petroleum oil, water, chemicals, steam) Temperature: What is the minimum and maximum operating temperature? Pressure: What is the system's operating pressure? Are there pressure spikes? Application: Is it a static, dynamic, or rotary seal? Example: NBR (Buna-N) is excellent for standard hydraulic oil, while FKM (Viton®) is needed for high temperatures or aggressive chemicals.

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 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.

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PRODUCTS

dbde24e1-4012-47b6-8db4-e89ee4ca5a70

Polypac Industrial Technology Co.,Ltd

+86 189 2463 6168

rose@dmsseals.com

No. 5, Hegui Mid Road, Hegui Industrial Park, Lishui Town, Nanhai District, Foshan City, Guangdong Province, P.R. China.

SPGO Piston Seal | O-Ring Activated Bidirectional PTFE Seal

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SPGO Piston Seal | O-Ring Activated Bidirectional PTFE Seal