Knife Gate Valves

Knife Gate Valve: Precision Flow Control for Abrasive and High-Viscosity Media

Our Knife Gate Valve is engineered to handle demanding industrial applications involving slurries, powders, and viscous fluids. Featuring a robust design, dual seal options, and durable materials, this valve ensures reliable performance in harsh environments while minimizing maintenance and downtime.

Technical Specifications

• Nominal Diameter (DN): 50 mm (2″) ~ 1200 mm (48″)
• Nominal Pressure (PN): 0.6 ~ 1.6 MPa (Class 150)
• Testing Pressure:
  • Shell: 1.5 ~ 2.4 MPa
  • Sealing: 1.1 ~ 1.76 MPa
• Seal Type:
  • Hard Seal: EPDM, NBR, Polyurethane (Leakage: Level D, Liquid 0.1×DN mm)
  • Soft Seal: Zero Leakage (Level A)

Material Options (Body)

• Cast Steel
• Cast Iron
• Ductile Cast Iron
• Stainless Steel
  (Custom materials available upon request.)

Applications

Designed for industries handling abrasive, corrosive, or high-viscosity media, including:

• Mining & Ores: Gold mine power, ore tailings, slag, sedimentation tanks.
• Pulp & Paper: Wood pulp, fibers, waste treatment.
• Chemical & Sewage: Chemical processing, wastewater, slurry transport.
• Food & Beverage: Fruit, grain, grout, beer brewing.
• Power Plants: Water supply/drainage, deslagging (high-temp ≤540°C, ultra-high-temp ≤900°C).
• Pneumatic Transport: Dust, asphalt, bin outlets, slaughterhouse waste.

Key Product Characteristics

✅ Compact & Space-Efficient Design: Ideal for tight installations.
✅ Cost-Effective: Lower pricing without compromising durability.
✅ Easy Installation: Quick setup with minimal piping modifications.
✅ Abrasion & Seizure Resistance: Full protection against wear and corrosion.
✅ User-Friendly Maintenance: Simple disassembly for seal/blade replacement.
✅ Long Service Life: Built to withstand aggressive media and frequent cycling.
✅ Flexible Actuation Options:

• Wafer Electric
• Hydraulic
• Pneumatic
  (Manual operation also available.)

Why Choose Our Knife Gate Valve?

• Dual Seal Options: Hard seals for abrasive media, soft seals for zero-leakage requirements.
• High-Temperature Resistance: Operates reliably in power plant deslagging (up to 900°C).
• Versatile Media Handling: From slurries and powders to viscous fluids and corrosive chemicals.
• Low Total Cost of Ownership: Durable construction reduces long-term replacement and repair costs.

Upgrade your flow control systems with our Knife Gate Valve—where rugged reliability meets precision engineering. Contact us for custom solutions, technical support, or bulk orders!

Available in bi-directional or uni-directional flow configurations to suit your process needs.