dbde24e1-4012-47b6-8db4-e89ee4ca5a70 - Polypac

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Polypac Pumping Effect Solution – Reliable Sealing for Hydraulic Systems

Polypac Pumping Effect Solution reduces leakage, prevents seal extrusion and improves system stability in hydraulic equipment. Custom materials and precision manufacturing ensure long-lasting, dependable performance.

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Product Description

Product Overview

Polypac Pumping Effect Solution is a specialized sealing solution engineered to minimize the pumping effect in hydraulic and reciprocating systems. Designed for oil seals, rod seals and dynamic sealing environments, this product reduces fluid migration caused by pressure fluctuations and pipe shocks. Backed by Polypac's decades of seal development and precision manufacturing, it delivers consistent, long-term performance.

Key Features

Advanced sealing geometry that reduces fluid backflow and pumping action
Available in PTFE variants (bronze, carbon, graphite, MoS₂, glass-filled) and elastomers (NBR, FKM, EPDM, silicone, FFKM)
Customizable to suit pressure, temperature and media
Produced and tested on industry-leading equipment in our 8,000 m² factory

Benefits

Lower leakage and longer service life, reducing maintenance costs
Enhanced stability under pressure spikes and reciprocating motion
Improved reliability for critical applications in hydraulics, construction and industrial machinery
Rapid custom development with research partnerships and strict quality control

Typical Applications

Suitable for hydraulic cylinders, pumps, valves and any system where pressure cycling causes seal pumping. Common industries include mobile hydraulics, heavy equipment, oil & gas, and industrial automation.

Why Choose Polypac

Founded in 2008, Polypac combines scientific R&D with large-scale manufacturing. Our custom rubber ring and O-ring factory spans over 10,000 m², and we work with universities and research institutes to stay at the forefront of sealing technology. Every Pumping Effect Solution undergoes strict testing to ensure material compatibility, dimensional accuracy and long-term performance.

Ordering & Customization

We offer fast prototyping and volume production. Tell us your operating pressure, temperature range and fluid type, and our engineering team will recommend the best material and design. Polypac provides technical support from selection to field installation.

Trust Polypac Pumping Effect Solution for dependable seals that protect equipment, reduce downtime and improve system efficiency.

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FAQ

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 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.

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.

Let's talk

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.

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