Heavy-Duty Knife Gate Valves Built for Tough Flow Conditions
Reliable Shut-Off Solutions for Abrasive and High-Solids Applications
Designed to Cut Through Challenging Media with Accuracy
Knife gate valves are specialized flow control devices engineered to handle thick fluids, slurries, and solids-laden media that traditional valves struggle to manage. Their sharp-edged gate allows them to slice cleanly through heavy materials, providing reliable isolation and dependable shut-off in demanding environments. These valves are essential in systems where clogging, buildup, and abrasive wear are common. At Valtorc International, we design and supply high-performance knife gate valves that deliver durability, consistency, and long service life across industrial applications.
Heavy-Duty Performance Without Unnecessary Complexity
Our knife valve options are built to perform reliably where standard flow control products fall short. Each design prioritizes strength, simplicity, and dependable operation in abrasive environments.
Optimized for Efficiency in High-Stress Systems
A slurry knife gate valve is commonly used in industries that handle thick, abrasive, or fibrous materials where uninterrupted flow control is critical. Our solutions are trusted in:
As experienced knife gate valve manufacturers, we understand the challenges these industries face and engineer solutions to match.
ACTUATED KNIFE GATE VALVE
Air cylinder actuated knife gate valves are available from 3" to 24" in size. Available in standard pressure ratings of 150PSI (ANSI B16.5 Class 150), heavy duty fabricated carbon steel or stainless steel knife gate valve material available. Stainless steel gate and stem for corrosion resistance and durability. Meets TAPPI standard TIS 405-8 and MSS-SP-81 - standard with manual hand wheel or...
METAL SEATED KNIFE GATE VALVE
Metal seated stainless steel knife gate valve available in sizes 2" to 24" in a solid one piece design. No clogging full port design with a bonnetless, outside screw and yoke, non-rising hand wheel and rising stem. Meets TAPPI TIS 405-8 standards for stainless steel, flanged, wafer knife gate valves. 150PSI design pressure - flanges meet ANSI B16.5 standards.
RESILIENT SEATED KNIFE GATE VALVE
Resilient seated knife gate valves in stainless steel available in sizes 2" to 24" in a one piece solid cast body that is corrosion resistant stainless steel. Replaceable resilient seats and a positive shut off in both directions. Smooth flow, full port and drip tight shut off design. Configuration to TAPPI and MSS standards, flanges match ANSI B16.5 - 150Lbs. standard.
DUCTILE IRON KNIFE GATE VALVE
Ductile iron (cast iron) knife gate valves available in sizes 2" to 24", available BUNA and EPDM seats by request. MSS SP-81 face-to-face dimension and flanged dimensions. Epoxy powder coated, heavy duty cast body. Bi-directional, bubble tight shut off across gate from 0 - 150PSI.
PNEUMATIC CYLINDER FOR KNIFE GATE VALVES
High quality stainless steel pneumatic air actuator specifically for Valtorc brand knife gate valves are offered in bore sizes up to 20". Rod wiper technology stops dust and other particles from entering the cylinder. Seals and packing include strong U and O rings rated up to 450F.
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VALVE PRODUCT CATALOG
New! Download our 2018 product overview catalog or call us to request a copy. Click here to download (PDF)
Knife Gate Valve FAQs
What makes knife gate valves different from other valve types?
They are specifically designed to handle solids, slurries, and viscous media by cutting through material rather than pushing against it.
Are these valves suitable for abrasive applications?
Yes. Many configurations are designed to withstand abrasive wear, making them ideal for slurry and bulk material systems.
Can these valves be automated?
Absolutely. Knife gate valves can be paired with pneumatic or electric actuators for automated operation.
How do I choose the right supplier?
Working with experienced knife gate valve suppliers ensures proper material selection, sizing, and performance for your application.
Get Total Flow Control for Your Toughest Applications
When you need durable, high-performance knife gate valves designed for abrasive and high-solids environments, Valtorc International delivers proven solutions you can trust. Reach out through our Contact Us or Request a Quote page to get expert guidance and find the right valve for your system.