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COVNA Manual Rising Stem Knife Gate Valve

Short Description:

The COVNA manual rising stem knife gate valve is designed for shutoff and isolation of high-solids media. Its sharp, sturdy disc easily cuts through fluids containing particles or fibers, such as slurries, sewage, and coal slurries. Its hard-seal design ensures reliable sealing even in harsh operating conditions, reducing maintenance and extending service life.

  • Model: Knife Gate Valve
  • Size Range: 2″ to 80″
  • Pressure Range: 0.6 to 4.0MPa
  • Material: Cast Iron, Cast Steel, WCB, Stainless Steel

Product Detail

Product Tags

Technical Parameters

Item Specification
Nominal Diameter DN50 – DN2000 (2″ – 80″)
Nominal Pressure 0.6 / 1.0 / 1.6 / 2.5 MPa, 150Lb
Operating Temperature -38°C ~ 1100°C (-100°F ~ 2000°F)
Sealing Material Stainless Steel / PTFE  / PTFE
Body Material Cast Iron / WCB / CF8 / CF8M / Stainless Steel
Connection Type Wafer / Flange
Actuation Manual / Electric  / Pneumatic
Connection Standards ANSI / GB / DIN / BS / NF / JIS

Knife Gate Valve Widely Application:

The valve is suitable for pipeline conveying such mediums including syrup, paper pulp, sludge, sewage, coal slurry, etc. for controlling switching on/off and throttling. It allows horizontal mounting as well as inclined mounting.

Product Features

Efficient Cutting: Sharp and wear-resistant blades, suitable for high-viscosity and highly abrasive media

Anti-clogging Design: Optimized valve chamber structure reduces solids buildup

Corrosion Resistance: Optional CF8M stainless steel, suitable for acid and alkali corrosion conditions

Multi-Standard Compatibility: Flange standards such as ANSI, GB, DIN, BS, and JIS

Easy Maintenance: Compact design allows for easy disassembly and seal replacement

Knife Gate Valve Dimensions:

knife-gate-valve-1

Why Choose COVNA

Over 20 Years of Industrial Valve Manufacturing Experience

Strict Quality Inspection and Factory Testing

Global Service and Technical Support

Customizable Sizes, Materials, and Actuation Methods


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