For V‑type sealing rings of hydraulic cylinders, is rubber better or polyurethane?

Amongthereciprocatingsealingcomponentsofhydrauliccylinders,theV‑ringisacriticalsealingelement.Itdirectlyaffectsthesealingperformanceofthecylinder,equipmentfailurerateandoverallservicelife.Manycustomer

Functions, structural composition and characteristics of thin‑type air cylinders

Overview of the Development Stages for Hydraulics and Pneumatics