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Knife Gate valve supplier in Dubai

Author : UAE Valves | Published On : 14 Aug 2026

UAE Valves is the largest Knife Gate Valve Supplier in Dubai with reliable and efficient systems for use in several industries. Knife Gate Valve is one type of valve that is used for the control of tough, thick or slurry substance. Gate of knife gate valves resembles the shape of knife which cuts through the substances. Knife gate valves are used in many industries where the handling of abrasive or viscous substances is a common phenomenon. Despite being usually taken as same as gate and ball valves, knife gate valves are especially designed for such hard conditions. This is the explanation of their functioning along with the industries using them.

What is Knife Gate Valve?

A knife gate valve is an apparatus used to regulate or shut off flow in thick, fibrous, and abrasive media with a sharp edged gate that helps to cut through difficult substances. 

Working & Construction: 

The working principle of the valve involves raising the sharp-edged gate up and down through the flowing media. When raised, the opening is allowed for media to flow, and upon lowering, it closes the line. The construction components of the knife gate valve include valve body, knife gate, seat, stem, bonnet, and handwheel/actuator made of materials like WCB, cast iron, ductile iron, stainless steel, and alloy steel.

Types of Knife Gate Valve are:

  • Unidirectional Knife Gate Valve: Designed to provide shut-off in one flow direction and commonly used for general slurry and industrial isolation applications.

  • Bidirectional Knife Gate Valve: Provides sealing in both flow directions, making it suitable for systems where flow direction may change.

  • Flanged Knife Gate Valve: Valves designed with flanged ends for effective pipe connection especially in large pipe systems.

  • Slurry Knife Gate Valve: A valve that is specially designed for handling abrasive slurries and media carrying solids.

  • Through Conduit Knife Gate Valve: Valve with an open passage which helps to minimize pressure loss of medium.

Industrial Applications of Knife Gate Valves

  • Mining: Used for handling abrasive slurries, mineral concentrates, and solid-liquid mixtures.

  • Wastewater Treatment: Applied in sludge, sewage, and wastewater lines where solids and suspended particles are present.

  • Chemical Processing: Used for isolating challenging process media, including corrosive or viscous fluids.

  • Power Generation: Installed in ash handling and slurry systems to manage solid-laden materials.

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: Handwheel, Electric and Pneumatic Actuated, Gear operated 

  • Ends: Wafer, Lug, Flanged 

A reliable Knife Gate Valve Supplier in Dubai can provide practical solutions for industries dealing with thick, abrasive, or solid-containing media.Knife gate valves are available in different types of material, size, pressure rating, ends connection, and operating mode from UAE Valves. This valve can be used in harsh environments due to its strong construction, which makes it a good option for use in industries like mining, pulp & paper, waste water treatment, chemical processing, energy production, cement, and many other process industries.

Visit us: https://www.uaevalves.com/product-category/knife-gate-valve/