Pneumatic Cylinder Operated Knife Gate Valve

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Pneumatic Cylinder Operated Knife Gate Valve in Ahmedabad

The Pneumatic Cylinder Operated Knife Gate Valve from Controtek Global is made to provide dependable, automated flow control in tough industrial settings with solids-laden media, viscous fluids, or slurries. The pneumatic actuator is perfect for systems that need frequent valve cycling or remote operation because it operates quickly, precisely, and consistently when powered by compressed air. The sturdy knife gate mechanism of the valve effortlessly slices through abrasive or thick media, guaranteeing a reliable shut-off with little pressure drop.

Cast Iron Knife Gate Valve

Features of Pneumatic Cylinder Operated Knife Gate Valve

  • Superior Resistance to Corrosion
  • Sturdy Knife Gate Architecture
  • Air-operated control with a double or single acting actuator
  • Long-lasting Body Design Low Maintenance
  • Broad Range of Temperature and Pressure
  • Mounting Flange ISO 5211

Applications of Pneumatic Cylinder Operated Knife Gate Valve

  • Exploration and Mineral Processing
  • Treatment of Water and Wastewater
  • Pulp and Paper Industry
  • Oil and Gas (Onshore/Offshore)
  • Agriculture & Irrigation
Pneumatic Cylinder Operated Knife Gate Valve - Technical Specification
Manufacturer Controtek Global
Valve Type Pneumatic Cylinder Operated Knife Gate Valve
Body Material Stainless Steel (SS304, SS316), Carbon Steel (WCB), Duplex Stainless Steel
Gate Material Stainless Steel (SS304 / SS316) or Hardened Steel (optional for abrasive media)
Seat Material Options EPDM, NBR, PTFE, Metal-to-Metal (Hard-faced optional)
Design Standard MSS-SP-81, API 600, ASME B16.34
Size Range 2” to 48” (DN50 to DN1200)
Pressure Class ANSI Class 150, PN10/PN16, higher ratings available on request
Temperature Range -29°C to +250°C (-20°F to +480°F), depending on seat and seal material
Actuation Type Pneumatic Cylinder – Single Acting (Spring Return) or Double Acting
Air Supply Pressure 5 to 8 bar (70 to 115 psi)
End Connection Wafer, Lug, Flanged (ANSI B16.5 / DIN / BS / JIS)
Face-to-Face Dimension As per MSS-SP-81 or manufacturer standard
Stem Type Rising or Non-Rising Stem (Stainless Steel)
Mounting Standard ISO 5211 actuator flange

Frequently Asked Questions

1. What is a Pneumatic Cylinder Operated Knife Gate Valve? + A Pneumatic Cylinder Operated Knife Gate Valve is an industrial valve used to control or isolate the flow of liquids, slurries, powders, and other media. It uses a pneumatic cylinder powered by compressed air to move the knife gate between open and closed positions.
2. Where are Pneumatic Cylinder Operated Knife Gate Valves commonly used? + These valves are commonly used in wastewater treatment, mining, pulp and paper, chemical processing, cement, power generation, food processing, and slurry handling industries where automated flow isolation is required.
3. What are the main advantages of Pneumatic Cylinder Operated Knife Gate Valves? + Pneumatic Cylinder Operated Knife Gate Valves provide fast automated operation, reliable isolation, compact construction, and convenient remote control. Their pneumatic actuation is also suitable for industrial automation systems requiring frequent and dependable valve operation.
4. Can these Knife Gate Valves handle slurry and abrasive media? + Yes, Pneumatic Cylinder Operated Knife Gate Valves can be used for many slurry and abrasive media applications. Proper selection of the valve body, knife gate, seat, and sealing materials is important to match the specific process conditions.
5. How does a Pneumatic Cylinder Operated Knife Gate Valve work? + The valve uses compressed air to operate a pneumatic cylinder, which moves the knife gate vertically. Depending on the actuator arrangement, the valve can open or close when pneumatic pressure is applied, allowing automated control of the pipeline flow.
6. What maintenance is required for a Pneumatic Cylinder Operated Knife Gate Valve? + Regular maintenance includes inspecting the pneumatic cylinder, air connections, knife gate, seats, seals, and packing for wear or leakage. Checking the compressed-air supply and ensuring smooth opening and closing operation helps maintain reliable performance and extend service life.
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