WCB Wedge Gate Valve
FYL WCB Wedge Gate Valve is designed for reliable shut-off performance in industrial pipeline systems. As a China manufacturer and supplier, we provide WCB Wedge Gate Valve solutions covering a wide size range for water, steam, and oil applications. With stable structure and strict quality control, our products are widely used in power plants, petrochemical systems, and general industrial pipelines. We support wholesale supply, customization, and technical assistance throughout the purchasing and installation process.
As a professional China factory, we focus on manufacturing FYL WCB Wedge Gate Valve with consistent quality and practical performance. Our team provides pre-sales selection support and after-sales service to help customers solve installation and operation issues efficiently.
Product Overview
The WCB Wedge Gate Valve is a commonly used isolation valve that controls the flow of media by lifting or lowering a wedge gate. The sealing is achieved through the pressure of the medium, which forces the gate tightly against the seat, ensuring effective shut-off. This structure makes the valve suitable for fully open or fully closed conditions rather than throttling applications.
In practical use, the WCB Wedge Gate Valve can be manufactured with rigid or elastic wedge designs. The elastic wedge helps compensate for minor machining deviations and improves sealing performance under varying temperature and pressure conditions.
Structure & Working Principle
Our WCB Wedge Gate Valve adopts a rising stem design, allowing operators to visually identify the open/close position. When the handwheel or actuator is operated, the stem drives the wedge gate vertically, creating a straight-through flow path with minimal resistance.
- Full bore design reduces pressure drop
- Bidirectional sealing performance
- Stable sealing under high pressure conditions
Product Features
- Compact body structure with smooth internal flow channel
- Sealing surfaces use stainless steel or hard alloy for durability
- Flexible graphite packing ensures stable sealing and easy maintenance
- Multiple actuation options: manual, electric, pneumatic, and gear
- Suitable for water, steam, and oil pipeline systems
Technical Advantages
Compared with standard gate valves, our WCB Wedge Gate Valve focuses more on long-term stability and adaptability:
- Improved sealing reliability through precision-machined wedge and seat
- Enhanced corrosion resistance with optional stainless steel trim
- Stable operation in high-temperature environments
- Flexible design for different industrial standards (GB / ASME)
Application Areas
The WCB Wedge Gate Valve is widely used across different industries due to its reliable shut-off performance:
- Petrochemical pipelines
- Thermal power plants
- Water treatment systems
- Oil and gas transportation
- Industrial steam systems
Actuation Types
- Handwheel Wedge Gate Valve
- Electric Actuator Wedge Gate Valve
- Pneumatic Actuator Wedge Gate Valve
Performance Specification
| Nominal Pressure (MPa) | Shell Test | Liquid Seal | Air Seal |
|---|---|---|---|
| 1.6 | 2.4 | 1.8 | 0.6 |
| 2.5 | 3.8 | 2.8 | 0.6 |
| 4.0 | 6.0 | 4.4 | 0.6 |
| 6.4 | 9.6 | 7.0 | 0.6 |
| 10.0 | 15.0 | 11.0 | 0.6 |
| 16.0 | 24.0 | 18.0 | 0.6 |
Main Materials
| Part Name | Material (GB) | Material (ASME) |
|---|---|---|
| Body / Bonnet | WCB / ZG1Cr5Mo / 304 | A216 WCB / A217 WC6 / A351 CF8 |
| Wedge | WCB / ZG1Cr5Mo / 304 | A216 WCB / A217 WC6 / A351 CF8 |
| Stem | 1Cr13 / 25Cr2Mo1VA / 304 | A182 F6a / A217 WC6 / A351 CF8 |
| Packing | Flexible Graphite | Flexible Graphite |
Temperature & Medium
| Temperature Range | Applicable Medium |
|---|---|
| -29℃ ~ 425℃ | Water / Steam / Oil |
| -29℃ ~ 550℃ | High Temperature Steam |
| -40℃ ~ 200℃ | Corrosive Media (e.g. Nitric Acid) |
Why Choose Us
- Experienced China manufacturer and supplier with stable production capacity
- Strict quality inspection before delivery
- Support for customization based on drawings or working conditions
- Responsive technical support during selection and installation
Conclusion
FYL WCB Wedge Gate Valve is designed for practical industrial use, focusing on durability, sealing reliability, and adaptability to different working environments. Whether for new projects or system upgrades, we provide dependable valve solutions backed by manufacturing experience and service support.
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