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China WCB Knife Gate Valve, Lug Type Manual Operation - Reliable Suppliers and Factory!
| Valve Type: | Flange knife gate valve | Structure: | Concentric |
| Standard: | API/EN/JIS | Workmanship: | Investment casting |
| Sealing direction: | Bidirectional | Sealing grade: | Zero leakage |
| Temperature: | -25°C<T<425°C | Operation: | Manual |
Characteristics
This manual lug carbon steel knife gate valve is cast from WCB carbon steel with high pressure and medium temperature resistance. Threaded lug structure supports single-side blind installation for pump ports and pipeline ends. Full straight bore avoids sludge and dust blockage. Equipped with simple manual handwheel for reliable cut-off, low failure rate and maintenance cost, widely used for steam, ash and non-corrosive slurry pipelines.
Advantages
- WCB carbon steel features high mechanical strength, withstands medium temperature and pressure without deformation, suitable for steam and high-temperature ash pipelines.
- Threaded lug design allows single-side blind installation, bears pipeline tension, easy to maintain, perfect for pump ports and pipeline ends.
- Simple manual handwheel structure with low failure rate, intuitive operation, minimal maintenance and cost-saving for general cut-off pipelines.
Packing
Standard export wooden case packaging
Application Scenarios
The WCB knife gate valve widely used in power plant ash and desulfurization pipelines, metallurgical slurry lines, heating steam pipes, building material dust conveying, non-corrosive industrial sewage and pump inlet/outlet cut-off systems.
Frequently Asked Questions
What are the primary applications of this WCB knife gate valve?
This valve is widely used in power plant ash and desulfurization pipelines, metallurgical slurry lines, heating steam pipes, building material dust conveying, and non-corrosive industrial sewage systems.
Can this valve be installed at the end of a pipeline?
Yes, the threaded lug design supports single-side blind installation, which is ideal for pump ports and pipeline end isolation.
What is the working temperature range for this knife gate valve?
The valve operates reliably within a temperature range of -25°C to 425°C, making it suitable for medium-temperature steam and ash systems.
Does this knife gate valve support bidirectional sealing?
Yes, it features a concentric structure that provides bidirectional sealing with a zero leakage rating.
What type of packaging is used for shipment?
All valves are packed using standard export wooden cases to ensure maximum protection during transit.
How does the manual handwheel operation benefit maintenance?
The manual handwheel structure is simple and highly reliable, resulting in a low failure rate and minimal maintenance costs.