Carbon Steel Floating Ball Valve
For industrial fluid control applications demanding reliable shut-off, a floating ball valve is a preferred choice. The design principle is straightforward yet effective: the ball is suspended and free to move slightly within the valve body. Under pressure, the ball is pushed against the downstream seat, creating a tight seal. For corrosive environments or where high purity is required, a Stainless Steel Floating Ball Valve offers superior resistance. When a robust, leak-proof connection to piping is needed, especially in larger line sizes, a Flanged Floating Ball Valve provides a secure bolted interface. In systems operating under extreme conditions, selecting a specifically engineered High Pressure Floating Ball Valve is critical to ensure safety and longevity. These variants all share the core benefits of the floating ball design—simplicity, cost-effectiveness, and reliable bi-directional sealing for on/off service.
The Carbon Steel Floating Ball Valve is engineered for durability and performance in a wide range of industrial services, including water, oil, gas, and steam. Its construction from robust carbon steel provides excellent mechanical strength, making it suitable for general-purpose applications where corrosion resistance is not the primary concern. The valve features a free-floating ball that, under system pressure, ensures a bubble-tight seal against the reinforced PTFE or composite seats. This design offers low torque operation and is ideal for fully open or fully closed positions. Common configurations include two-piece and three-piece body designs, with threaded, socket weld, or flanged end connections to suit various piping requirements. Standard fire-safe designs and anti-static devices are often incorporated to meet stringent industry specifications. The Carbon Steel Floating Ball Valve represents a dependable and economical solution for routine isolation tasks across numerous sectors.
Key Product Parameters
- Body Material: A216 WCB Carbon Steel
- Ball Material: Chrome Plated Carbon Steel
- Seat Material: Reinforced PTFE (RPTFE), Nylon, PEEK
- Stem Material: 17-4PH Stainless Steel or AISI 304
- Seal Material: Viton, Buna-N, PTFE
- Pressure Rating: ANSI 150, ANSI 300, PN16, PN40
- Temperature Range: -20°C to 200°C (-4°F to 392°F) dependent on seat material
- End Connection: Threaded (NPT, BSP), Socket Weld, Flanged (RF, FF)
- Operation: Lever, Gearbox, Pneumatic Actuator, Electric Actuator
- Design Standard: API 6D, ASME B16.34, ISO 17292
| Size Range (Inch) | Pressure Class (ANSI) | Flow Coefficient (Cv) Approx. | Standard Bore | Full Port Option |
|---|---|---|---|---|
| 1/4" - 2" | 150, 300 | 5 - 120 | Yes | Yes (for reduced pressure drop) |
| 2 1/2" - 4" | 150, 300 | 200 - 450 | Yes | Yes |
| 5" - 8" | 150 | 600 - 1500 | Yes | On Request |
| 10" - 12" | 150 | 2000 - 3000 | Yes | Typically Standard Bore |
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