Pneumatic Knife Gate Valve

Valvesonly is a topmost Pneumatic Knife Gate valve manufacturer in USA. A pneumatic knife gate valve is a type of industrial valve designed for controlling the flow of fluids or bulk materials in a pipeline. It is particularly well-suited for applications involving slurries, powders, and other challenging media. The term “knife gate” refers to the sharp-edged gate or blade within the valve that cuts through the flowing medium to provide a reliable shut-off. The pneumatic aspect of the valve refers to its actuation mechanism, which utilizes compressed air to control the opening and closing of the valve.

The structure of a pneumatic knife gate valve typically consists of a cast or fabricated body, a gate or blade, a pneumatic actuator, and various seals to ensure tight shut-off. The gate is often made of stainless steel or other durable materials, and its sharp edge enables it to effectively cut through and seal against the flowing medium. The actuator is powered by compressed air, allowing for quick and precise control of the valve’s position. Pneumatic knife gate valves are commonly used in industries such as wastewater treatment, pulp and paper, mining, and chemical processing, where reliable and efficient flow control is essential.

Operationally, a pneumatic knife gate valve functions by using compressed air to actuate the valve. When the valve is in the closed position, the gate or blade is pressed against the seat, forming a tight seal and preventing the flow of the medium. Upon receiving a signal, the pneumatic actuator releases compressed air, causing the gate to move away from the seat and allowing the medium to flow through. The quick response and precise control offered by pneumatic actuation make these valves ideal for applications where rapid shut-off or modulation of flow is required. Pneumatic knife gate valves are valued for their ability to handle challenging media, minimal maintenance requirements, and versatility in various industrial settings.

Advantages:

  • Quick response time
  • Suitable for challenging media
  • Minimal maintenance requirements
  • Versatility in applications
  • Bi-directional sealing
  • Compact design
  • Cost-effective solution

Industries:

  • Wastewater Treatment
  • Pulp and Paper
  • Mining
  • Chemical Processing
  • Power Generation
  • Steel and Metal Processing
  • Petrochemical
  • Oil and Gas

Temperature:

  • Standard -4°F to 200°F (-20°C to 93°C)
  • Low -40°F to 176°F (-40°C to 80°C)
  • High 0°F to 300°F (-18°C to 149°C)

Configuration of a Pneumatic Actuator:

  • 4-20 Mamp
  • Pneumatic single acting actuators
  • Pneumatic double acting actuators
  • Pneumatic rotary actuators
  • Pneumatic Scotch and Yoke actuators
  • Pressure: 228 bar

Description:

  • Available materials: WCB, WC6, WCC, LCB, LCC, Cast iron, Ductile Iron, SS316, SS304
  • Size: 2″ to 80″
  • Class: 150 to 300
  • Nominal Pressure: PN6 to PN40
  • Operation: Pneumatic Actuated
  • Ends: Wafer, Lug, Flanged

 

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  • Sale!
    $194.40

    Pneumatic Bi Directional Knife Gate Valve

    Pneumatic Bi Directional Knife Gate Valve Body: Cast Ductile Iron, CF8M, CF8, WCB Gate: SS304, SS316 Seat: Metal Seated, EPDM O-Ring: NBR Seat Retainer: WCB, CF8, CF8M Packing: PTFE Yoke: SS304 Stem: 2Cr13 Nominal Size: DN50 to DN1000 Nominal Pressure: PN16 to PN25, Class150 End Connection: Wafer , Lugged Actuation Type: Pneumatic Actuated Pneumatic Actuation […]

  • Sale!
    $151.20

    Pneumatic Unidirectional Knife Gate Valve

    Pneumatic Unidirectional Knife Gate Valve Body: Cast Ductile Iron, CF8M, CF8, WCB Gate: SS304, SS316 Seat: Metal Seated, EPDM O-Ring: NBR Seat Retainer: WCB, CF8, CF8M Packing: PTFE Yoke: SS304 Stem: 2Cr13 Nominal Size: DN50 to DN1000 Nominal Pressure: PN16 to PN25, Class150 Actuation Type: Pneumatic Actuated Pneumatic Actuation Type: Double Acting, Spring Return Dimensions  […]