... competitive price With handwheel, pneumatic, Bevel gear, Electric operated. Size from DN50-1800mm knife gate valveSpecifications:Design and manufacture standard: GB/T ... : Rubber, PTFE, Stainless steel, Hard Alloy 5). Working temperature: Rubber <100'C, Hard-seal< 425'C 6). Suitable Media: Paper pulp ... if you neede. Welcome to contact us for more information Electric knife gate valve