Knife edge gate valve, Flosteer High Performance Uni-Directional Bi-Directional Knife Edge Gate Valve provide better value and performance with many standard features not found in other, commodity Knife Edge Gate Valve. Flosteer Knife Edge Gate Valves are available in different combination of Body, Seat & Gate material. Machine ground ultra thick gate and lapped integral renewable seat are designed to handle dense mixture of stock, and slurries.