Knife Gate Valve Manufacturer | Slurry & Wastewater Knife Gate Valve Supplier
ZONCIC is a professional knife gate valve manufacturer in China, supplying high-performance knife gate valves for slurry, wastewater, pulp, mining and industrial process systems. Our knife gate valves are designed for reliable shut-off in demanding applications where media contains suspended solids, fibers, powder or high-viscosity fluids.
What is a Knife Gate Valve?
A knife gate valve is a type of industrial valve specially designed to handle slurry, viscous fluids and media containing suspended solids. It uses a sharp-edged blade to cut through thick flow media and provide effective shut-off performance in applications where conventional gate valves may not operate efficiently.
Technical Specifications
- Valve Type: Knife Gate Valve
- Design Standard: MSS SP-81 / TAPPI TIS 405
- Pressure Rating: PN10 / PN16 / Class 150
- Size Range: DN50 – DN1200 (2" – 48")
- Body Material: Cast Iron, Ductile Iron, Stainless Steel
- Gate Material: Stainless Steel
- Seat Material: EPDM / NBR / PTFE / Metal Seat
- Connection Type: Wafer / Lug / Flanged
- Operation: Handwheel / Pneumatic / Electric Actuator
Wafer, Lug and Flanged Types
Our knife gate valves are available in multiple connection designs to match different installation and process requirements:
- Wafer Knife Gate Valve: Compact and lightweight design suitable for general slurry and wastewater systems.
- Lug Knife Gate Valve: Provides convenient installation and maintenance in industrial pipeline applications.
- Flanged Knife Gate Valve: Designed for stronger connection performance in larger or higher-demand systems.
Key Features of Knife Gate Valve
- Sharp blade design cuts through slurry, fibers and solids
- Reliable shut-off performance in difficult media conditions
- Compact and lightweight body structure
- Available in wafer, lug and flanged types
- Suitable for manual, pneumatic and electric operation
Applications of Knife Gate Valve
Knife gate valves are widely used in industrial applications that require shut-off performance in media with particles, solids or high viscosity:
- Wastewater treatment plants
- Pulp and paper industry
- Mining and slurry handling systems
- Chemical process lines
- Bulk material and powder handling systems
Manufacturing Standards
- MSS SP-81 / TAPPI TIS 405
- DIN / EN (German Standard)
- JIS (Japanese Standard)
- GOST (Russian Standard)
Why Choose Our Knife Gate Valves?
- Designed for slurry, solids and viscous fluid systems
- Multiple seat and body material options available
- OEM & customized solutions supported
- Strict quality control and pressure testing
- Fast delivery and global industrial project support
Related Valve Solutions
We also supply gate valves, wedge gate valves, parallel slide gate valves, forged gate valves, ball valves and check valves.