Proportional pneumatic tipping valve suitable for large oil flow applications especially designed for heavy-duty tipper bodies and semi-trailers with two different working pressure which can be selected manually. Operated by proportional cab control. Open center hydraulic scheme according to CE standards. - Built in check and dual pressure adjustable relief valves (pilot type). - nodular cast-iron body for pressure up to 400 bar. - either chassis or tank mounting options. - mechanical direct end-of-stroke - ready for pressure signal switch mounting. - galvanized body and nickel spool. - guaranteed for oil temperature range - 25 a 80°C viscosity range 12 a 100 cSt and oil filtering 25 µm