... hydraulic control; it is safe and reliable; integrated with fluid-bed to realize seal operation; GMP standard design and manufacturing.Applications ... ; Integrated with FL, PGL, GFG and FG series of Fluid bed to realize dust-free discharge.Technical parameters:specYS 60YS 120YS ... FL, PGL, GFG and FG series of Fluid bed to realize dust-free discharge. YS Fluid Bed Hopper Lift Machine (bowel inverter)