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Views: 0 Author: Site Editor Publish Time: 2025-09-10 Origin: Site
Is your hydraulic system leaking efficiency and reliability? The right seal is its unsung hero. As a leading seal manufacturer and supplier, we break down the 5 key factors to guide your selection and ensure peak performance.
1. Pressure
The Crushing Force
Hydraulic systems operate under high pressure. The seal must resist extrusion into gaps. Look for robust materials like polyurethane or specialized compounds and consider using anti-extrusion rings (backups) for extreme applications.
2. Temperature
Heat of the Moment
Fluid temperature affects seal material. Standard Nitrile (NBR) works well in a range, but for extreme heat or cold, choose Fluorocarbon (FKM) or Silicone (VMQ) to prevent hardening, cracking, or accelerated aging.
3. Media
Chemical Compatibility
The seal must be compatible with the hydraulic fluid and any potential contaminants. NBR is great for petroleum-based oils, while FKM offers better resistance to synthetic fluids and high temperatures.
4. Application
Static or Dynamic?
Is the seal for a static joint (e.g., flange) or a dynamic one (e.g., piston, rod)? Dynamic applications require materials with excellent low-friction and wear-resistance properties.
5. Size & Precision
The Perfect Fit
An inaccurate size guarantees failure. Precise dimensions and tolerances are non-negotiable for effective sealing. This is where partnering with a professional manufacturer makes all the difference.
Got a Sealing Challenge?
As both a factory and trader, we control quality from production to delivery. Our engineers are ready to help you analyze your needs and recommend the optimal seal.
Contact us today for a free consultation!
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