PYY-Series (Single Cylinder Hydraulic Cone Crusher)Way of Working. 1. The materiel will be delivered to the crushing chamber through the feeding hopper at the top and the crushed material will be collected at the discharge hopper at the bottom of the machine. 2. The materiel will be crushed inside by the moving cone and the bowl liner, guiding by the main shaft. 3.pyy hydraulic cone crusher,PYY-DahongliPYY Series- Single Cylinder Hydraulic Cone Crusher; PYD Series- Muliti-Cylinders Hydraulic Cone Crusher; PCL Series- Vertical Shaft Impact Crusher; 6HL Series- High Efficiency Impact Crusher; PEV Series- Jaw Crusher; DHLG Series- High Pressure Grinding Roll; PF Series- Impact Crusher; PCD Series- PCD Series.