... solids such as selected-mine, tailings, ash, coal, cement, earth, sand and etc. Max. density of pumped ... 61855506360062250NP56251Y400-86KV2207704998047.4250NP76891.5Y500-66KV,IP44560103088129085250NP65082Y500-66KV,IP4456083378.5115074.5 MaterialNi-hard ⅠNi-hardNi-hard15-215-2Cr28Cr15Mo2Cu1CodeN-AN ... solids such as selected-mine, tailings, ash, coal, cement, earth, sand and etc. Max. density of pumped ...