... and easy maintenance. It is widely used in modern industrial such as mining, power plant, city waste water disposing food and ... , supplier, cheapLever Type Knife Gate ValveLever Type Knife Gate Valve which can cut off self-cleaning function is used in powder conveying ... , 316, 316LMetal seat: SS410, SS304, SS316, DuplexEnd connections: lugSealing type: EMedia: swage, powder, paper pulp, ore pulp, sugar