The QG28 full-load sensing multiple directional control valve is the products for the new type 20~80T full-hydraulic crane require the use of the development, the pressure 31.5MPa, merging flow 400L/min, It is with high working pressure, flow capacity, stable performance, high reliability, and in particular has an excellent full-load-sensing feature and micro-feature, so that the crane to achieve precise control and energy saving. The A, B work oil ports can be used with over-load fill valve in accordance with the host operating conditions. It can bring own rotary valves sheet or combination with QH rotary valve to achieve rotary without rotary valves sheets.
The valve also apply to other large tonnage loaders, cranes, bulldozers, mining machinery and other equipment.