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Bi-directional Sealing Knife Gate Valve - China Suppliers and Factory for Abrasive Fluid Control
Product Details
The bi-directional sealing knife gate valve is built with a robust body and gate, which ensures durability and reliability. The gate is designed to be self-cleaning, which means that it can remove debris and other particles that could cause damage to the valve. The valve is also equipped with a bi-directional sealing system, which ensures that the valve can be used in both directions of flow. This feature is particularly useful in applications where the direction of flow may change frequently.
Key Features
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Standard Compliance
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Flanged End Connection
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Durable Construction
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Smooth Operation
Applications
- Mining Industry: Controls the flow of slurries and other abrasive materials.
- Pulp & Paper Industry: Controls the flow of pulp and paper stock.
- Wastewater Treatment: Controls the flow of sludge and other wastewater materials.
- Chemical Processing: Controls the flow of corrosive and abrasive fluids.
💬 Qingdao Fluido have good quality and competitive price for the bi-directional sealing knife gate valve. If you need a valve that can handle tough fluids and provide reliable performance, you can contact us for the offer of the bi-directional sealing knife gate valve.
Specification
Parts & Materials
| No. | Parts | Materials |
|---|---|---|
| 1 | Body | WCB/304/316 |
| 2 | Seat | EPDM |
| 3 | Wedge | 304/316 |
| 4 | Stem | 2Cr13 |
| 5 | Handwheel | DI |
Dimensions
| Size | PN10 | PN16 | 150LB | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| DN | NPS | L | D1 | N-M | Z-φC | D1 | N-M | Z-φC | D1 | N-M | Z-φC |
| 50 | 2'' | 48 | 125 | 2-M16 | 2-φ18 | 125 | 2-M16 | 2-φ18 | 120.7 | 2-M16 | 2-19 |
| 65 | 2 1/2'' | 48 | 145 | 2-M16 | 2-φ18 | 145 | 2-M16 | 2-φ18 | 139.7 | 2-M16 | 2-19 |
| 80 | 3'' | 51 | 160 | 2-M16 | 6-φ18 | 160 | 2-M16 | 6-φ18 | 152.4 | 2-M16 | 2-19 |
| 100 | 4'' | 51 | 180 | 2-M16 | 6-φ18 | 180 | 2-M16 | 6-φ18 | 190.5 | 2-M16 | 6-19 |
| 125 | 5'' | 57 | 210 | 2-M16 | 6-φ18 | 210 | 2-M16 | 6-φ18 | 215.9 | 2-M20 | 6-22 |
| 150 | 6'' | 57 | 240 | 2-M20 | 6-φ22 | 240 | 2-M20 | 6-φ22 | 241.3 | 2-M20 | 6-22 |
| 200 | 8'' | 70 | 295 | 2-M20 | 6-φ22 | 295 | 4-M20 | 8-φ22 | 298.4 | 2-M20 | 6-22 |
| 250 | 10'' | 70 | 350 | 4-M20 | 8-φ22 | 355 | 4-M24 | 8-φ26 | 361.9 | 4-M22 | 8-25 |
| 300 | 12'' | 76 | 400 | 4-M20 | 8-φ22 | 410 | 4-M24 | 8-φ26 | 431.8 | 4-M22 | 8-25 |
| 350 | 14'' | 76 | 460 | 6-M20 | 10-φ22 | 470 | 6-M24 | 10-φ26 | 476.2 | 4-M27 | 8-29 |
| 400 | 16'' | 89 | 515 | 6-M24 | 10-φ26 | 525 | 6-M27 | 10-φ30 | 539.7 | 6-M27 | 10-29 |
Frequently Asked Questions
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What is a bi-directional sealing knife gate valve?
A bi-directional sealing knife gate valve is a type of valve designed to control or stop the flow of media in pipelines. It features a sealing system that works effectively in both directions of flow, making it highly versatile for applications where flow direction may change.
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What materials are available for the valve body?
The valve body is available in WCB (cast carbon steel), 304 stainless steel, and 316 stainless steel. The seat is made of EPDM, the wedge is available in 304/316 stainless steel, the stem is made of 2Cr13, and the handwheel is made of ductile iron (DI).
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What pressure ratings and standards does this valve comply with?
The bi-directional sealing knife gate valve is available in PN10, PN16, and 150LB pressure ratings. It complies with standard flanged end connection requirements and is suitable for a range of nominal pipe sizes from DN50 (2'') up to DN400 (16'').
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What industries is this valve commonly used in?
This valve is widely used in the mining industry for slurry and abrasive material control, the pulp and paper industry for pulp stock flow management, wastewater treatment plants for sludge handling, and the chemical processing industry for corrosive and abrasive fluid control.
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What is the self-cleaning feature of this valve?
The gate of the bi-directional sealing knife gate valve is designed with a self-cleaning mechanism. As the gate moves, it removes debris, particles, and build-up that could potentially cause damage to the valve or impair its sealing performance, ensuring long-term reliable operation.
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How can I get a quote or more information about this valve?
You can contact Qingdao Fluido directly to request a competitive price quote for the bi-directional sealing knife gate valve. Qingdao Fluido offers good quality products at competitive prices and can provide detailed technical support and customization options based on your specific application requirements.
Product Packaging
01020304