Stainless Steel Knife Gate Valve

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Stainless Steel Knife Gate Valve in India

Premium stainless steel knife gate valves from Controtek Global are made to withstand a variety of industrial applications, especially those where dependability and high performance are crucial. Our precision-engineered stainless steel valves offer exceptional corrosion resistance, making them perfect for demanding settings like the pulp and paper, water treatment, chemical processing, and mining industries. Our knife gate valves, which are made from premium stainless steel, are incredibly robust and resilient to high temperatures and pressures. Even in the most difficult slurry or particulate-laden fluids, the valves' sturdy gate guarantees dependable shut-off performance.

Cast Iron Knife Gate Valve

Features of Stainless Steel Knife Gate Valve

  • Full Port Design
  • Corrosion-Resistant Body
  • Razor-Sharp Gate
  • Sealing in Two Directions
  • Multiple Actuation Options with Tight Shut-Off
  • Design with Minimal Maintenance

Applications of Stainless Steel Knife Gate Valve

  • Pulp & Paper Industry
  • Water & Wastewater Treatment
  • Chemical & Petrochemical Processing
  • Mining & Mineral Processing
  • Power Generation
  • Agriculture & Irrigation
Stainless Steel Knife Gate Valve - Technical Specification
Manufacturer Controtek Global
Product Type Knife Gate Valve
Body Material Stainless Steel (SS304, SS316, or as specified)
Gate Material Stainless Steel (SS304 / SS316 / Duplex available)
Seat Material Options PTFE, EPDM, NBR, Metal-to-Metal
Design Standard MSS-SP-81, API 600, ASME B16.34
Size Range 2” to 48” (DN50 to DN1200)
Pressure Class ANSI Class 150 (higher classes available on request)
Temperature Range -29°C to +425°C (-20°F to +800°F) (depends on seat material)
End Connections Wafer, Lug, Flanged (ANSI B16.5), or Custom
Operation Types Manual (Handwheel / Gear), Pneumatic, Electric, Hydraulic
Flow Direction Uni-directional or Bi-directional (based on model)
Face-to-Face Dimension As per MSS-SP-81 / Manufacturer Standard
Stem Type Rising / Non-rising Stainless Steel Stem
Stem Packing PTFE, Graphite, or Combination for high sealing performance
Testing Standard API 598 / EN12266-1 (Shell & Seat Leak Tests)
Actuator Mounting ISO 5211 Top Flange for Direct Actuator Mounting
Coating (Optional) Epoxy Coated Yoke / Polished or Passivated SS Body
Leakage Class Class VI (Soft Seat), Metal Seat per API 598
Application Media Slurry, Wastewater, Chemicals, Pulp, Food-Grade Liquids, etc.

Frequently Asked Questions

1. What is a Stainless Steel Knife Gate Valve? + A Stainless Steel Knife Gate Valve is an industrial valve designed to control or isolate the flow of liquids, slurries, powders, and other media. It features a stainless steel body and a sharp-edged gate that moves through the media to provide reliable shut-off.
2. Where are Stainless Steel Knife Gate Valves commonly used? + Stainless Steel Knife Gate Valves are commonly used in chemical processing, pharmaceutical, food and beverage, water and wastewater treatment, mining, pulp and paper, and other industries where corrosion resistance and reliable flow isolation are required.
3. What are the main advantages of Stainless Steel Knife Gate Valves? + These valves provide excellent corrosion resistance, durable construction, reliable shut-off, compact design, and suitability for demanding process environments. Stainless steel construction also makes them suitable for applications requiring hygienic and easy-to-clean valve surfaces.
4. Can Stainless Steel Knife Gate Valves handle corrosive and abrasive media? + Yes, Stainless Steel Knife Gate Valves can handle many corrosive and abrasive media when the appropriate stainless steel grade, gate, seat, and sealing materials are selected. The valve should be specified according to the chemical composition, concentration, temperature, and operating conditions.
5. How does a Stainless Steel Knife Gate Valve operate? + The valve operates by moving a knife-shaped gate vertically between the open and closed positions. When the gate is raised, the flow passage opens. When it is lowered, the gate isolates the pipeline and stops the flow.
6. What maintenance is required for a Stainless Steel Knife Gate Valve? + Regular maintenance includes inspecting the gate, stem, seats, packing, and sealing components for wear, corrosion, or leakage. Cleaning accumulated deposits and checking smooth opening and closing operation helps maintain reliable performance and extend the valve's service life.
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