rubber vs ptfe rod seals

Rubber vs PTFE rod seals offer distinct performance characteristics for hydraulic rod sealing applications. Rubber rod seals, such as nitrile or FKM, provide good elasticity and cost efficiency for general-purpose systems. PTFE rod seals deliver superior low friction performance, resistance to aggressive media, and dimensional stability under temperature extremes. Evaluating rubber vs PTFE rod seals allows buyers to select the most suitable option based on fluid type, operating speed, and service conditions.

Piston Seal

The piston seal is a two-way seal, used in conjunction with two piston guide rings, and has a two-way sealing effect.

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Cylinder Static Seal

The Y-ring is designed as a static seal for the cylinder, which can replace the traditional O-ring/retaining ring combination. Through its unique design and material, the allowable extrusion gap can reach 0.4mm at a pressure of 500bar.

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Piston Rod Seal

Piston rod seal, double-lip design has better sealing effect, and polyacetal back-up ring is better under pressure.

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Dustproof Seal

The dustproof seal is a single-acting seal that is installed by extruding the outer diameter. It can effectively prevent dust and dirt from entering, and allow the residual oil to flow back.

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rubber vs ptfe rod seals

Rubber vs PTFE rod seals selection impacts sealing reliability, rod wear, and system efficiency. Rubber seals are often preferred for standard applications with moderate demands, while PTFE seals are selected for high-performance or chemically aggressive environments. Understanding these differences helps buyers reduce leakage risks and optimize long-term operating costs.