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  • FOS develops and manufactures rotary shaft seals, PTFE lip seals, hydraulic seals, large-diameter seals, shaft repair sleeves and customized rubber-to-metal components. Our products can be adapted to specific requirements involving speed, temperature, pressure, media compatibility, contamination and service life.

Large-Diameter Oil Seals

Metal Sealing Rings

Shaft Repair Sleeves

Metal-Encased PTFE Rotary Lip Seals

Hydraulic Lip Seals

Axial Shaft Seals

Specialty Sealing Products

Rotary Shaft Oil Seals
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