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Slurry Knife Gate Valve​

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  • Manual Operated Slurry Valve

Slurry Knife Gate Valve​

AFC Slurry Valve with features of heavy duty, full port elastomer sleeves offering ultimate isolation against heavy slurries. Specialized in slurry valves, AFC can offer this type of knife gate valve from 2"-36", the body material is ductile iron, pneumatic operated is the most popular.The valves could meet a wide range of abrasion, corrosion, temperature and pressure requirements, which may be used in wet or dry services dealing with large, heavy particles and tramp materials.​
General Applications​
• Mining
• Pulp and paper
• Cement​
• Power​
• Alumina
​ • Chemical​




• 100% Isolation; bubble-tight shut-off results in absolutely zero downstream leakage.​
• Double-seated design provides bidirectional flow and shut-off.​
• Unobstructed flow eliminates turbulence, minimizes pressure drop across valve.​
• No seat cavity where solids can collect and prevent full gate closure.​
• Dynamic self-adjusting secondary seal.​
• No gate or stem packing is required, eliminating packing leakage and maintenance.​
• Long lasting lubrication.​
• No metal parts in contact with the flowing slurry.​
• Adaptable frame (yoke) design featuring a top-removal stem nut, can be field modified to an air cylinder or bevel gear in the field without welding.


Sizes Ranges from 2” thru 36” (larger size on request)​
• Pressure Ratings: 2”-24” 100 psi, 26”-36” 75 psi​
• Temperature: Standard Sleeve rated to 80°C, up to 200°C with proper elastomer selection.​
• Materials: Cast Iron, Carbon Steel, Stainless Steel, Duplex SS, or other special alloys.​
• Operation: Manually handwheel or Gear, Electric, Pneumatic or Hydraulic​
• Unobstructed flow eliminates turbulence, minimizes pressure drop across valve
• No Gate or Stem Packing is required, eliminate packing leakage and maintenance​
• Adaptable frame or yoke design featuring a top-removal stem nut

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