Lug Type Knife Gate Valve
Specifications
| Size Range NPS 2"- 80" | DN 50 - DN 2000 |
Connection Standards ANSI B16.5/16.47, DIN, JIS, GB/T 9113, JB/T 79 |
| Temperature Range -30°C to +1100°C (Dependent on material selection) |
Body Materials Cast Iron, WCB, CF8, CF8M, CF3, CF3M, 904L, 2520 (High Temp) |
| Pressure Ratings PN 6/10/16/25,150 LB |
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Lug Type Knife Gate Valve Serie

Engineered for Severe Service and Slurry Isolation
The Value Valves Lug Type Knife Gate Valve is designed to withstand the harshest industrial environments. Built for durability and precision, this series offers superior isolation capabilities for fluids containing suspended solids, viscous slurries, and abrasive media. Whether your application demands absolute Zero Leakage (Class A) sealing or resistance to extreme temperatures up to 1100°C, our valves deliver consistent performance where it matters most.
Why Choose Value Valves?
- Robust Construction: The lug-style body design ensures secure installation and allows for end-of-line service capabilities.
- Versatile Sealing:
- Soft Seat: Achieves Class A Zero Leakage, ideal for wastewater and general utility lines.
- Metal Seat: Engineered for high-temperature (-30°C to +1100°C) and abrasive applications, meeting Class D leakage standards.
- Global Compatibility: Flange connections designed to meet ANSI, DIN, JIS, and GB standards, ensuring seamless integration into global supply chains.
Typical Applications
Mining & Minerals: Tailings and slurry transport.
Pulp & Paper: High-consistency stock lines.
Wastewater Treatment: Sludge handling and filtration.
Power Generation: Ash handling and cooling water systems.
Customization Options
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Size & Materials
Special sizes and alloys available upon request to meet specific temperature and fluid requirements. -

Jacketed Design
Maintain fluid temperature to prevent solidification or viscosity changes in pipelines. -

Extended Stem Design
Ideal for high/low-temperature environments—reduces thermal conduction for operator safety.
Performance & Testing Facilities
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Fire Testing Laboratory
Simulates real fire scenarios to evaluate pressure resistance and fire-safe integrity.
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Cryogenic Testing
Performs valve functionality tests at cryogenic temperatures down to -196°C, ensuring product reliability.
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ISO-Class Clean Room
Supports oil-free cleaning and polishing for internal surfaces, meeting clean-service requirements.
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Cycle Life Testing
Verifies long-term durability through repeated opening/closing cycles under simulated service conditions. -

Emissions Testing
Assesses fugitive emissions in control valves under volatile or hazardous fluid environments. -

Pressure Testing
All valves undergo full hydrostatic testing to meet both international standards & customer specifications.