Knife Gate Valve

Knife Gate Valve

- Knife gate valves are stainless steel gate valves that have a sharp cutting tool installed to deal with viscous, heavy liquids, or other abrasive media. 

- The replaceable valve seat design allows the knife gate valve to simply replace parts after wear, reducing maintenance costs and downtime, and extending the service life of the entire valve.
 
- This knife gate valve is widely used in industries such as wastewater treatment, cement production, and mining.
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Knife Gate Valve Collection

WKT's knife gate valve is a high-performance stainless steel valve designed for handling viscous, heavy liquids or other abrasive media. Due to its unique knife-shaped design, the valve can efficiently cut solid particles and ensure a smooth flow of fluids. This knife gate valve is widely used in industries such as wastewater treatment, cement production, and mining. Its simple structure and convenient operation can meet various harsh working conditions.

With WKT's professional capabilities in mold casting and material selection, our knife gate valve has excellent acid and corrosion resistance, ensuring long-term and stable operation of the valve. The blade of the valve is specially manufactured to maintain a long-lasting sharp edge to effectively cut solid or heavy materials.


Product Features:

1. Efficient Fluid Control

The knife gate valve controls the flow of fluid by lifting the gate. When the knife gate valve is fully opened, the fluid can pass unimpeded, greatly reducing the flow resistance.


2. Enhanced Cutting Capability

Designed with sharp blades, it is particularly suitable for handling solid particles and high-viscosity fluids, ensuring efficient and reliable fluid processing.


3. Double Bearing Design

It can effectively reduce the torque during valve operation, facilitate opening and closing, and extend the service life of the knife gate valve.


Product Advantages:

1. Corrosion resistance: Made of high-quality stainless steel, the knife gate valve can resist the erosion of various chemical media and is suitable for long-term use in acidic and corrosive environments.

2. Cost saving: The replaceable valve seat design allows the knife gate valve to simply replace parts after wear, reducing maintenance costs and downtime, and extending the service life of the entire valve.

3. Automation compatibility: It supports easy switching between manual and pneumatic operations and can be seamlessly integrated with various automation control systems to achieve efficient operation management.


Product Value:

- Improve work efficiency: The design of the knife gate valve ensures smoother fluid flow, reduces flow resistance, and improves the work efficiency of the entire system.

- Reduce maintenance frequency: Regular and simple replacement of valve seats and other components greatly reduces maintenance frequency and costs and improves the economic benefits of customers.

- Wide applicability: This knife gate valve is suitable for multiple industries, and different types of liquid and solid media due to its strong cutting force and durability, ensuring its flexibility in application.

- Enhanced safety: After multiple quality tests, it is guaranteed to work normally under high-pressure and high-temperature environments, ensuring the safety of operators and equipment.


Applications:

1. Wastewater treatment: Knife gate valves are widely used in urban and industrial wastewater treatment plants to control the flow of sewage and can effectively handle liquids containing solid particles.

2. Cement production: Suitable for handling slurry and waste materials in the cement production process, maintaining stable flow, and reducing downtime.

3. Mining industry: In the mining process, knife gate valves are used to control slurry and effectively maintain the flow path by cutting solid and fibrous materials.

4. Chemical and petroleum industry: Applied to the processing and transportation of various chemicals, with excellent corrosion resistance and wear resistance, it ensures the reliability of fluid control.


Operation Instructions:

1. Start the valve: If a pneumatic actuator is used, after ensuring that the system is normal, press the switch to start the valve and perform the switch operation.

2. Monitor the position indicator: Observe the status of the knife gate valve through the valve position indicator to ensure that it is fully open or closed.

3. Regular maintenance: Regularly check the performance of the knife gate valve. If wear or leakage is found, it should be replaced and repaired in time to ensure the long-term stable operation of the equipment.


FAQ:

Q: What is the main difference between knife gate valves and other types of valves?

Knife gate valves are designed specifically to handle viscous and heavy fluids and can effectively cut solids, which other types of valves usually cannot accomplish.


Q: What is the maintenance frequency of knife gate valves?

To ensure valve performance, it is recommended to conduct a basic inspection once a month to prevent wear and replace the valve seat in time.


Q: What are the advantages of replaceable valve seats?

Replaceable valve seats are easy to maintain. When the sealing surface is worn, there is no need to replace the entire knife gate valve, saving time and cost.


Q: What media can knife gate valves withstand?

WKT's knife gate valves are suitable for a variety of media, including liquids, slurries, and sewage, and are particularly suitable for handling fluids with solid particles.


Customer Evaluation:

"We have been using WKT knife gate valves. It has excellent flow control when handling sewage, especially on media containing solids. We are very satisfied with its cutting ability." - Mr. Liu, a manager of a wastewater treatment plant.


"The design of the knife gate valve is very practical. It not only improves our work efficiency but also greatly reduces maintenance costs. It is worth recommending." Mr. Wang, an engineer of a cement production company.



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WKT's knife gate valve is equipped with sharp blades, which are particularly suitable for handling solid particles and high-viscosity fluids, ensuring efficient and reliable fluid processing. If you want to learn more, please contact us.


Size Range

Body Materials

2″-48″(50mm-1200mm)

Cast Iron, Ductile Iron, Carbon Steel,Stainless Steel,Nickel Aluminum Bronze,etc

Temperature Range

Stem Material

-29 to 180 degree

Stainless Steel

Pressure Ratings

Shutoff Rating

2 – 24″ (50 – 600mm) 150psi
30 – 36″ (750 – 1200mm) 100psi

Bidirectional  or Unidirectional,Soft seated (zero Leak)metal seated(MSS SP-151)

Disc Materials

Body Style

Stainless Steel,Hastelloy C, Monel,etc

Wafer, Lug

Design Standard

Flange Drilling

MSS SP-81,ASME B16.34

ASME B16.5, EN 1092,GOST 33259

Testing Standard

Certifications

MSS SP-151

CE,EAC,SIL3,ISO 19001

Face to Face

Operation

MSS SP-81

Wench, Worm Gear, Electric, Pneumatic,etc

Seat Materials


BUNA-N, EPDM,Viton(Bidirectional)

Metal to Metal(Unidirectional)

Applications


Power, Mining, Pulp & Paper, Cement, Carbon Black, Chemical,Wastewater



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+86-138-0880-7901
Email:
info@wktipvf.com 
WhatsApp/Phones: 
+86-135-1016-1027
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Contact Us

We'd like to work with you
Send us a message if you have any questions or request a quote. Our experts will give you a reply within 24 hours and help you select the right valve you want.

/ WhatsApp/Phones: +86-138-0880-7901

 Email: info@wktipvf.com 

/ WhatsApp/Phones: +86-135-1016-1027

 Email: amy@wktipvf.com
 
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