A216 WCB two-piece ball valve consists of a main valve body and a secondary valve body, hence the name. It is a commonly used type of ball valve. After the ball, seat, and stem are installed in the main valve body, the secondary valve body is connected to the main valve body via threads or bolts. Its ball core flow channel is full-bore, resulting in low flow resistance and high flow capacity.
Two-piece ball valves are available with internal thread connections, external thread connections, and both internal and external thread connections. The threads typically use 55° tapered pipe threads, providing good sealing. Two-piece flanged ball valves are widely used.
Performance Characteristics Overview:
Strong Flow Capacity: Thanks to the full-bore flow channel design of the ball core, two-piece ball valves have lower flow resistance than one-piece ball valves, allowing for smoother media flow and meeting the requirements for high-flow-rate media transportation.
Excellent Sealing Performance: Its sealing surfaces use high-quality sealing materials such as polytetrafluoroethylene (PTFE). These materials not only have good elasticity and wear resistance but also maintain excellent sealing performance under various working pressures and temperatures. In the closed position, the ball and seat fit tightly, ensuring no media leakage.
Easy Operation: Rotary ball valves require minimal operating torque, needing only a 90° rotation to fully open or close, making them simple and quick to operate, ideal for applications requiring frequent operation.
Compact Structure: The two-piece ball valve has a relatively compact overall structure, occupying little space and facilitating installation in piping systems with limited space.
High Corrosion Resistance: Its valve body and internal components can be made of various materials such as stainless steel and carbon steel, which effectively withstand the corrosiveness of different media, exhibiting strong corrosion resistance.
Order Specification
Type: 2 PC Ball Valve.
Body Material: Carbon Steel A216 WCB.
Trim: 1#.
Rating: 150 LB.
Size: 3 Inch.
End: RF.
Standard: API 6D.
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