Wear parts application guide - Nordberg HP series cone crusher HP cone crusher and basic concepts Product Feed Reduction ratio F80 / P80. 3. 4 In order to get optimum capacity and maximum wear life of wear parts, consider the following points 1. Check the feed arrangement The crusher should be choke fed so that ... HP Series Hydraulic pressure Cone Crusher has a better performance compared with spring cone crusher and ordinary Hydraulic pressure Cone Crusher 1. High crushing ratio and production efficiency 2. Less spare part consuming and low operation cost 3. between-layer pressuring crushing and better finished product shape. 4.