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Knife gate valves

What are knife gate valves

Reliable valves for various industries

Stafsjö Valves is a leading brand in knife gate valves, which are used worldwide in demanding industrial applications. These valves are specially designed to efficiently and reliably serve media such as slurries, fibrous liquids, and other abrasive or viscous media. With a strong focus on durability and performance, Stafsjö offers solutions that meet the high demands of industries such as paper and pulp, wastewater treatment, chemicals, mining and energy. 

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The Stafsjö Valves MV knife gate valve

The MV knife gate valve from Stafsjö Valves is a versatile and reliable valve for dry media in industries such as powder transport, cement plants and power generation. Thanks to its modular design and choice of different materials, the valve can withstand extreme conditions. 

The retainer ring system and packing box system ensure a leak-free seal and easy maintenance. The robust construction ensures smooth operation and long life, even under harsh industrial conditions. This makes the Stafsjö Valves MV an efficient and durable solution for demanding applications. 

The Stafsjö Valves SLV knife gate valve

The SLV knife gate valve from Stafsjö Valves is a compact and robust solution for handling abrasive slurries in industries such as mining and wastewater treatment. Thanks to its push-through design, the valve prevents accumulation of media, ensuring smooth flow and reduced maintenance. 

The bi-directional seal and modular design make the valve flexible and reliable even under harsh conditions. With a durable construction and advanced features such as precision alignment and reinforcement rings, the SLV offers a long service life and optimal performance. This makes the Stafsjö Valves SLV an efficient and adaptable solution for demanding applications. 

Meskantafsluiter - WB14

The Stafsjö Valves WB14(E) knife gate valve

The WB14(E) knife gate valve from Stafsjö Valves is a robust and versatile valve that provides a bi-directional, leak-free seal for industrial applications such as wastewater treatment, pulp and paper industry and power generation. Thanks to its dead space-free, full-bore design, the valve minimises pressure loss and prevents media accumulation. 

The advanced sealing system, including a TwinPack box packing and reinforced seat, ensures reliable performance under extreme conditions. With its modular design and adaptable materials and actuators, the Stafsjö Valves WB14(E) has a flexible use. This makes this valve an efficient and durable solution for demanding industrial processes. 

The Stafsjö Valves HG knife gate valve

The HG knife gate valve from Stafsjö Valves is an advanced and reliable solution for handling highly concentrated and abrasive media in sectors such as pulp and paper processing, mining and power generation. Thanks to its bi-directional zero-leakage design and superior flow characteristics, the valve ensures efficient and leak-free operation. 

The modular design allows customisation with various materials and automation options, making the valve suitable for a variety of process conditions. The robust construction and precision engineering ensure a long service life and minimum maintenance requirements. This makes the Stafsjö Valves HG a versatile and durable solution for demanding industrial applications. 

Advantages

Advantages of knife gate valves

Knife gate valves offer several advantages that set them apart from other valves:

Reliable and leak-proof seal

Knife gate valves provide efficient and reliable shutoff, even with abrasive or fibrous media. Their sharp blades effortlessly cut through solid particles, preventing blockages and leaks.

Compact and space-saving design

Knife gate valves have a slim and compact design, meaning they take up less space than traditional valves. This is especially advantageous in installations with limited space. Furthermore, their light weight makes installation and operation easier and less labor-intensive.

Versatility in application

Knife gate valves are suitable for a wide range of liquids and slurries, including abrasive and highly viscous media. They can be used in both high and low pressure conditions and are available in various configurations, meeting the specific requirements of various industries.

Maintenance

Maintenance and service life

Thanks to their robust design and the use of wear-resistant materials such as stainless steel and cast iron, knife gate valves have a long service life. Furthermore, they are easy to maintain thanks to their modular design, allowing seals and components to be easily replaced without disassembling the entire valve.

Why choose V.C.T.?

At Valve & Connector Technology N.V., you’ll find a wide range of high-quality industrial valves and quick couplings from leading brands such as EBRO ARMATUREN, STAFSJÖ VALVES, Walther-Präzision, and more.

Our products are known for their high quality and durability.

Our team of experts also offers comprehensive support for the right product selection and technical specifications.

Whether you’re looking for a solution for simple process control or complex applications with high demands, V.C.T. can provide a solution that meets all your specific needs.