Slurry Knife Gate Valve
Bidirectional Knife Gate Valve
Size Range: 2” to 24” / 50 mm to 600 mm
Body Materials: Ductile Iron, Check with factory for other available materials
Pressure Ratings: 316 SS Gate, 2” – 16” / 50 mm – 400 mm / 150 psi / 10 bar, 18” – 24” / 450 mm – 600 mm / 90 psi / 6.2 bar, (Higher pressures are available with select gate materials)
Stem Materials: 304 Stainless Steel
Body Style: Two Piece Bolted – Wafer
Gate Materials: 304, 316, 317, SAF 2507, SAF 2205,17-4PH
Seat Material Temperature Range: Natural Rubber: -60° to 165°F (-51° to 74°C)
EPDM: -65° to 248°F (-54° to 120°C)
Design Standard: Manufacturer Standard
Wiper Materials: Natural Rubber
Testing Standard: Manufacturer Standard
Certifications: Canadian CRN, PED – Category I Module A (Group 2 Liquids)
Face to Face: MSS SP-81
Actuator Options: Handwheel (2 – 8″), Bevel Gear, Pneumatic, Hydraulic, Electric
Applications: Slurry
Slurry knife gate valve is a specialized type of valve that is designed to handle the unique challenges of controlling the flow of abrasive and viscous slurries. Slurries are mixtures of solids suspended in a liquid, and they can be highly corrosive, erosive, and abrasive. Traditional valves are often unable to effectively handle the demands of slurry applications, which is where the slurry knife gate valve comes in.
One of the key features of a slurry knife gate valve is its robust construction. These valves are typically made from high-quality materials such as stainless steel, carbon steel, or cast iron to withstand the harsh conditions of slurry service. The design of the valve is also important, with a gate that can effectively cut through the slurry and a tight seal to prevent leakage.
The knife gate design of the valve allows for a tight shut-off, making it ideal for applications where leakage is not an option. The gate is typically operated by a pneumatic, hydraulic, or electric actuator, allowing for precise control of the flow of the slurry.
Slurry knife gate valves are commonly used in industries such as mining, wastewater treatment, pulp and paper, and power generation. In mining applications, these valves are used to control the flow of abrasive slurries during the processing of ores. In wastewater treatment plants, they are used to handle the thick, viscous sludges that are produced during the treatment process. In pulp and paper mills, slurry knife gate valves are used to control the flow of fibrous slurries. And in power plants, they are used to control the flow of ash slurry from the combustion of coal.
Overall, the slurry knife gate valve is a critical component in industries that handle abrasive and viscous slurries. Its robust construction, tight shut-off, and precise control make it an essential tool for ensuring the efficient and reliable operation of slurry systems.
