preformed vs mold piston seals

Preformed vs mold piston seals differ in production process and application suitability. Preformed seals offer consistent dimensions, faster installation, and are ideal for standardized hydraulic systems. Mold piston seals provide flexibility in shape and material selection for custom or low-volume applications. Understanding preformed vs mold piston seals allows buyers to choose the optimal solution based on production scale, performance requirements, and lead time expectations.

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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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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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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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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preformed vs mold piston seals

Preformed vs mold piston seals selection impacts procurement efficiency and system reliability. Preformed seals simplify inventory management and ensure repeatable quality, while mold seals support tailored designs. Industrial buyers gain flexibility and cost control by selecting the manufacturing method aligned with their operational needs.