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A Full Bore Fixed Wear-Resistant and Corrosion-Resistant Ball Valve is a specialized type of valve designed for optimal performance in harsh environments where both high wear and corrosion are major concerns. This type of valve is particularly suited for industries such as mining, chemical processing, oil and gas, and water treatment, where the flow of abrasive or corrosive fluids can quickly degrade standard valves.
No. | Article name | Material |
1 | Valve body | A182 F304L or CF3 |
2 | Valve seat | Ti |
3 | Spring | X-750 |
4 | Wedge washer | 304 |
5 | Seat Filler | Flexible graphite |
6 | Stuffing box | A182 F304 |
7 | Rod packing | Flexible graphite/PTFE |
8 | Trestle | CS |
9 | Hold-down grid | 304 |
10 | SPIRAL WOUND GASKET | 304+Flexible graphite |
11 | Valve stem | 17-4PH |
12 | Upper valve stem support sleeve | Teflon |
13 | Spheroid | Ti |
14 | Lower valve stem support sleeve | Teflon |
15 | Lower valve stem | 304 |
16 | Hex nut | A194 8 |
17 | Full thread stud | A193 B8 |
Full Bore Design: The full bore design of these valves means that the diameter of the valve opening matches the diameter of the pipeline. This design minimizes pressure drop across the valve and allows for the unobstructed flow of fluids, including slurries and viscous fluids.
Wear Resistance: These valves are constructed from materials that are highly resistant to wear, such as hardened stainless steel, ceramics, or titanium-based cermets. The choice of material depends on the specific application and the nature of the fluids being handled.
Corrosion Resistance: Corrosion-resistant materials like high-grade stainless steel, Hastelloy, titanium, or special alloys are used to withstand aggressive chemicals and prevent premature valve failure due to corrosion.
Fixed Ball Configuration: The ball in these valves is fixed and not free-floating. This design provides better stability and is suitable for high-pressure applications, ensuring a reliable seal and reducing the likelihood of leakage.
High Flow Capacity: The full bore design allows for maximum flow capacity, making these valves ideal for applications requiring the rapid movement of large volumes of fluid.
Reduced Clogging: The straight-through flow path reduces the chances of clogging, which is crucial in handling slurries or fluids with suspended solids.
Enhanced Durability: The use of wear-resistant and corrosion-resistant materials extends the life of the valve, reduces maintenance costs, and minimizes downtime.
Versatility: These valves can handle a wide range of temperatures and pressures, making them suitable for a variety of industrial applications.
Mining and Mineral Processing: Handling slurry and other abrasive materials.
Chemical Industry: Controlling the flow of corrosive substances.
Oil and Gas: Managing the flow of crude oil, natural gas, and treatment chemicals.
Water Treatment: Regulating the flow of water and treatment chemicals in both municipal and industrial settings.
Manufacturing Techniques: Advanced manufacturing techniques such as precision casting or forging are used to create the valve bodies. High-precision machining ensures that components fit perfectly, providing a tight seal and smooth operation.
Maintenance Practices: Regular inspection and maintenance are crucial, especially in harsh operating conditions. Components subject to wear, such as seals and the ball itself, should be checked periodically and replaced as needed to ensure optimal performance and prevent failures.
