HYDRAULIC OIL ORLEN HYDROL L-HV 46/PACKAGING 20L/ Cl. quality according to ISO 11158 – HV// ISO VG: 46// Hydrol L-HV hydraulic oils are intended for use in heavily loaded drive systems, high-pressure piston pumps of constant and variable displacement and vane pumps, where a high level of anti-wear properties of the oil is required, and in precision hydraulic control systems and hydraulic systems that require small changes in viscosity with temperature changes.