... such as limestone, cement, gypsum, coal) and the material temperature is below 250 ℃.NE series plate chain bucket elevators are ... NE400, NE500, NE600, NE800.Characteristics of NE series plate chain bucket elevator:1. Good sealing and less pollution. 2. Easy ... operation, less maintenance, less wearing parts. Bush roller chain for conveyor chain, induction gravity discharge, used for steep lifting of ...