South American Valve is the foremost Uni Directional Knife Gate Valve Supplier in Bolivia. A unidirectional knife gate valve is designed for handling thick, viscous fluids or those with high solid content, like slurry, wastewater, or pulp. It only permits flow in one direction and offers a tight seal to prevent backflow. Description- • Body: Carbon Steel, Ductile Iron, SS316Nominal Size: DN50 to DN450 • Nominal Pressure: Class150 to Class30, PN10 • End Type: Wafer Type, Lug Type • Operation: Handwheel, Electric Actuated, Pneumatic Actuated https://www.southamericanvalve.com/product-category/unidirectional-knife-gate-valve/