Knife gate valve

Kinfe gate valve Supply & Manufacture

The Knife Gate Valve is a commonly used valve type with a series of distinctive features and a wide range of applications. Here is a detailed introduction to the Knife Gate Valve:

Basic Characteristics

Simple Structure: The Knife Gate Valve comprises a valve body, a gate (blade), a seal ring, suspension devices, a handle, and other simple components, making it a compact unit.
Small Size and Lightweight: It is convenient for installation and maintenance.
Excellent Sealing Performance: The tight fit between the gate and the valve seat ensures good sealing, particularly suitable for handling fluids containing particulate matter.
Corrosion Resistance: Depending on specific operating conditions, the Knife Gate Valve can be manufactured from various corrosion-resistant materials to withstand corrosive media.
Flexible Operation: It can be operated via a handle, gear, or electric actuator, catering to different levels of automation requirements.

Please consult customer service for detailed parameters

Operating Principle

Open Position: To open the Knife Gate Valve, the handle, gear, or electric actuator is manipulated to lift the gate inside the valve body to an open position, allowing fluids to flow freely through the pipeline.
Closed Position: To close the valve, the gate is lowered to a closed position, where it tightly engages with the valve seat, preventing fluid flow through the pipeline.

Application Areas

Solid Particle Media: Such as wastewater treatment, sewage treatment, pulp and paper manufacturing, where the Knife Gate Valve effectively shears and cuts particles to prevent clogging.
Viscous Media: For handling high-viscosity fluids in industries like mineral slurry transportation, chemical processing, and food production.
Mud and Slurry: In mining, quarrying, wastewater treatment, and sediment handling, the Knife Gate Valve is commonly used to handle mud, slurry, and fluids containing particles.
Solid-Liquid Separation: In applications like sewage treatment or industrial filtration, the Knife Gate Valve is used in solid-liquid separation systems to quickly separate solid particles from liquids.
Emergency Shutdown: In scenarios requiring leak control, emergency shutdown, and disaster response, the Knife Gate Valve’s rapid closing capability is crucial.
High Temperature and Pressure: Some Knife Gate Valve designs are suitable for high-temperature and high-pressure conditions, meeting the special needs of the oil refining, chemical, and energy industries.
Hygiene Requirements: Stainless steel Knife Gate Valves are used in food, pharmaceutical, and biotechnological applications due to their smooth surface, easy cleaning, and non-contamination of fluids.

Precautions

When selecting and using the Knife Gate Valve, it is essential to determine the appropriate design and materials based on specific application requirements.
Regular maintenance and inspection of sealing performance are crucial to ensure the normal operation and safety of the Knife Gate Valve.
Given that the Knife Gate Valve is often used in special environments and fluids, special care should be taken during selection and use.

In summary, the Knife Gate Valve plays a vital role in various industrial sectors due to its unique design and superior performance.