Hydraunycoil FH 51 is a petroleum-based hydraulic oil with a viscosity of 14 cSt at 40°C. It contains antioxidants, preservatives and anti-wear additives. The Hydraunycoil FH 51 has a wide operating temperature range (-54°C to + 135°C in the airtight loop and -54°C to 90°C in the open loop), a viscosity index of more than 300, and a further increase in pollution particle control (cleanliness).