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South American Valve is a top Knife Gate Valve manufacturers in Mexico. A knife gate valve is a type of valve designed for on-off and isolation services in systems handling thick fluids, slurries, and other viscous materials. It features a sharp-edged blade, known as a "knife," that can cut through these materials, ensuring a reliable shut-off. The valve operates by moving the knife blade up and down perpendicular to the flow direction, which either opens or closes the valve.

Design and Operation:

1. The valve consists of a flat, rectangular blade that slides in and out of the flow path.


2. It provides a straight-through flow with minimal pressure drop when fully open.


3. The blade can cut through thick or solidifying media, making it ideal for slurry, wastewater, and similar applications.

South American Valve is a reputed Knife Gate Valve manufacturers in Mexico.A knife gate valve operates by utilizing a sharp-edged blade to manage the flow of thick fluids, slurries, and other viscous materials. In the open position, the gate (or knife) is fully retracted into the valve body, allowing the media to flow through the valve with minimal resistance. This design is particularly effective for systems where low pressure drop and unobstructed flow are critical. The valve's construction enables it to handle materials that could clog or damage other types of valves, making it ideal for industries such as mining, wastewater treatment, and pulp and paper.

When the knife gate valve is closed, the gate is lowered into the flow path. As it descends, the sharp edge of the gate cuts through any solids or thick media in the flow. This action not only ensures a clean shut-off but also helps prevent material build-up that could impede the valve's function. The gate continues to move down until it contacts the valve seats, creating a tight seal that stops the flow completely. This sealing mechanism is crucial for isolating sections of the pipeline or controlling the flow of difficult media.

Parts:

1. Body


2. Gate or Blade


3. Stem


4. Actuation Mechanism


5. Bonnet


6. Yoke


7. Packing or Sealing System

Types:

1. Through conduit Knife Gate Valve


2. Bi Directional Knife Gate Valve


3. Slurry Knife Gate Valve


4. Uni Directional Knife Gate Valve

Advantages:

1. Provides efficient flow control


2. Suitable for slurries and solids


3. Minimal pressure drop


4. Offers bidirectional sealing


5. Compact design


6. Quick opening and closing


7. Easy to maintain


8. They are corrosion resistant


9. Automation compatibility


10. They are cost-effectivE

Industries:

1. Mining Industry


2. Wastewater Treatment


3. Pulp and Paper Industry


4. Chemical Industry


5. Power Generation


6. Steel and Metal Industry


7. Marine Industry


8. Cement Industry


9. Oil and Gas Industry


10. Petrochemical Industry


11. Automotive Industry


12. Textile Industry 

Description:

·        Available materials- SS306, SS904, SS316, Aluminium Bronze, Monel, Bronze, Brass, Duplex steel, Inconel, Titanium, WCB, CF8, CF8M, CF3, CF3M, WC1, WC6, WC9, Cast iron

·        Size- 1/2″- 64”

·        Class-150 to 2500

·        Nominal Pressure- PN10 to PN450

·        Operation- Hand Wheel, Gear operated, Electric and Pneumatic Actuated

·        Ends-Flanged, Wafer, Lug

·        Standards ASME, API6D, API607, DIN, BS, ANSI, AWWA

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https://www.southamericanvalve.com/product-category/knife-gate-valve/

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