O-rings are the simplest and most common hydraulic seals, used in static and dynamic applications. Made from elastomers like nitrile, Viton, or EPDM, they compress to create a leak-proof seal. Their circular cross-section fits into grooves easily. O-rings handle high pressures but require proper groove design. Backup rings prevent extrusion under extreme conditions. They are cost-effe... https://globalsealstech.com/hydraulic-seals/