Hydraulic seals are classified into rod seals, piston seals, wipers, and wear rings. Rod seals prevent fluid escape along the actuator rod, while piston seals block leakage across the piston. Wipers scrape contaminants from the rod, and wear rings guide and support moving parts. Each type is engineered for specific pressure, speed, and environmental conditions. Understanding these cat... https://globalsealstech.com/hydraulic-seals/