Description
It's widely used in hydraulic cylinders within the hydraulic/engineering machinery sector. It typically consists of a PTFE structural component paired with an elastomeric sealing element—such as an O-ring, D-ring, or X-ring—to form a combined sealing system. This design principle can also be extended to specialized sealing structures in military, aerospace, and high‑performance applications, such as the VL‑ring and delta‑double‑triangle seals.
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