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Technical Specifications

Size Range NPS2"-48"/DN50-1200mm	Main Material Carbon steel,Stainless Steel,Aluminum Bronze,Duplex steel etc. (Other materials are available under request.)
Temperature Rating Soft Seat: -29 ~ +180°C Metal Seat: According to Main Material	Stem material Stainless steel
Pressure Rating 0.6Mpa I.0Mpa 1.6Mpa 150LB	Directional /Stem Type Bi-directional, Uni-directional /Rising Stem,Non-Rising Stem
leakage level Soft seat: Zero Leakage Metal Seat:	Body Style Wafer, Lugged, Semi-Lugged
Disc Material Stainless steel,Duplex steel etc.	Flange Drilling ASME B16.5, EN1092,GOST 33259, BS etc.
Seat Material Soft Seat: NBR, EPDM, PTFE, Viton etc. Metal Seat: Same to Body, STL etc.	Port Type Reduce Port, V type Port etc.
Design Standard MSS SP-81,MFR Standard	Test Standard MSS SP-81,MFR Standard
Face to Face MSS SP-81,MFR Standard	Operation Handwheel, Worm Gear, Electric, Pneumatic, etc.
Application Power, Mining, Pulp & Paper, Cement, Carbon Black, Chemical, Wastewater
Other The carefully selected materials and contemporary design make our knife gate valve highly recognized. If our knife valve cannot meet your choice, we can provide you with special made.

 

Chief Features

Face to face dimensions adopt short series, and light weight valve is adopted, so as to save pipe supporter.

During the opening and closing of the valve, the disc can automatically scrape off the adhered medium and beneficial to sealing.

The disc helps medium cut off and residue discharge so that the valve can be operated without blocking.

The wedge type limit stopper can provide sealing force, reliable sealing. The guide nail can provide good guiding function.

 

Product Benefits

Automatic Self-Cleaning Action: During cycling, the disc automatically scrapes away adhered media, helping clear residue to ensure smooth operation without blocking.

Ultra-Thin Space-Saving Body: Built with a compact one-piece body design and short series face-to-face dimensions to minimize overall system weight and eliminate the need for heavy pipe supporters.

Aggressive Mechanical Shear: Features a sharp cutting edge on the internal disc that delivers strong shear forces to cut through viscous, thick, or highly abrasive materials.

Reliable Tight Component Sealing: Employs an internal wedge limit stopper that generates precise mechanical sealing forces, paired with an integrated guide nail for optimal gate travel alignment.

Configurable Flow Bore Geometries: Supports multiple port variations, including standard reduced ports and specialized V-type ports, for optimized pipeline throttling or isolation.

 

Why Choose Lixin Valve?

Global Design Standard Alignment: Our product designs align with universal engineering specifications, manufacturing products in strict compliance with MSS SP-81 and manufacturer standards.

Extensive Premium Metallurgy: Provides high-grade body castings in Carbon steel, Stainless Steel, Aluminum Bronze, and Duplex steel to resist rapid corrosion.

Versatile Sealing Configuration: Offers a comprehensive range of sealing materials, including NBR, EPDM, PTFE, and Viton soft seats, alongside heavy-duty STL metal seats.

 

FAQs

1. What makes a wafer knife gate valve suitable for handling heavy slurry lines?

A wafer knife gate valve features a sharp, thin disc design that delivers a strong mechanical shear force, allowing it to cut through thick, viscous liquids, cement, and mining media without getting stuck.

2. How does a knife gate valve wafer type body layout help reduce plant setup costs?

An ultra-thin, one-piece knife gate valve wafer type uses short series face-to-face dimensions to lower the unit's overall weight, reducing the need for expensive structural pipe supporters.

3. What technical audits should a B2B procurement manager look for in a china knife gate valve factory?

A qualified china knife gate valve factory must operate dedicated casting workshops and perform rigorous testing to satisfy global standards such as MSS SP-81 for pressure and seat integrity.

4. How can global distributors choose a dependable knife gate valve manufacturer china?

When choosing a knife gate valve manufacturer china, look for a team that offers extensive material customization (like Duplex steel and Aluminum Bronze) and supports international flange patterns. To compare top choices, view our comprehensive list of the top knife gate valve manufacturers.

5. What installation precautions does a knife gate valve supplier suggest for wastewater facilities?

A professional knife gate valve supplier recommends verifying directional flow arrows and ensuring correct alignment of the guide nail during installation. For a complete step-by-step setup overview, read our expert guide to knife gate valve install.

6. How does this wafer knife gate valve maintain a tight seal under pipeline vibration?

This wafer knife gate valve uses an internal wedge-type limit stopper to provide constant mechanical sealing force, paired with an integrated guide nail that keeps the disc steady within the flow channel.

7. Can this china knife gate valve factory provide custom flange drillings for European projects?

Yes, our china knife gate valve factory manufactures bolt holes to match multiple international flange standards, including ASME B16.5, EN1092, GOST 33259, and BS specifications.

8. How does the internal disc design prevent pipeline clogging during discharge?

The internal disc is engineered to wipe away adhered media automatically as it moves, helping clear away solid residue and ensuring smooth operation without blocking the channel.

9. What structural design variations are available beyond the standard wafer body?

We offer multiple structural configurations to fit different pipeline needs, supplying this valve style in standard wafer, lugged, and semi-lugged body designs.

10. What mechanical actuation types can be installed on this wafer knife gate valve?

This highly adaptable wafer knife gate valve supports several control options, including manual handwheels, mechanical worm gears, pneumatic, and electric actuators.