LBH‑Type wiper seal is an external dust-proof hydraulic seal designed for reciprocating piston rods of hydraulic cylinders. Installed at the outer end of the cylinder gland, its main function is to scrape dust, mud, sand and metal debris off the piston rod surface as the rod retracts. It prevents external contaminants from entering the hydraulic system and protects internal rod seals, guide rings and cylinder bore from abrasive wear.
Fabricated from high-performance polyurethane, the LBH wiper seal adopts a refined lip structure. The sharp scraping lip maintains tight contact with the rod to remove impurities efficiently, while the solid base ensures stable positioning inside the mounting groove. It features good wear resistance, low-temperature toughness and anti-aging properties, performing reliably under harsh outdoor working environments.
LBH-type wiper seal matches standard groove dimensions for convenient installation and replacement. It cooperates with rod seals to form a complete hydraulic sealing system. This dust seal is widely applied in construction machinery, agricultural equipment, material handling machinery and various industrial hydraulic cylinders.
By blocking dirt ingress, LBH wiper seals reduce premature seal failure and lower equipment maintenance expenses. It is a practical protective sealing component to extend the service life of hydraulic cylinder assemblies for reciprocating motion applications.
Original text from: Hydraulic and Pneumatic Seals https://www.bszzseal.com/
