A three-piece ball valve is a type of ball valve used to control the flow of fluids or gases in a pipeline system. It is called a "three-piece" valve because its body is made up of three parts :
Two end caps (the two pieces on either side of the valve).
A middle section (the central body part that holds the ball and other internal components).
Ball : The valve contains a hollow, perforated ball that rotates to control the flow. When the ball's hole is aligned with the flow path, the valve is open; when it is turned 90 degrees, the flow is blocked.
Quick Disassembly : The three-piece design allows the valve to be easily disassembled for maintenance or cleaning without removing it from the pipeline.
Sealing : It typically uses O-rings or other sealing methods to ensure a tight seal and prevent leaks when the valve is closed.
Versatility : Suitable for use in various industries, such as chemical, oil, gas, water, and food processing, depending on the materials used for construction.
Body Construction : The three-piece valve can be made from different materials such as stainless steel, brass, or carbon steel, which are chosen based on the requirements of the specific application, such as corrosion resistance or pressure ratings.
Ease of Maintenance : Because the valve can be disassembled into three parts, it is easier to repair, clean, or replace individual components.
Customization : The three-piece design makes it adaptable to a wide range of pipe configurations, allowing for modifications like different end connections (flanged, threaded, welded, etc.).
Improved Sealing : The design allows for better sealing, reducing the likelihood of leakage.
Flow control in industrial piping systems : It can be Used in systems where flow needs to be either fully on or off (often called "on/off" control).
Chemical and pharmaceutical industries : It is also useful For controlling the flow of reactive or hazardous fluids.
Food and beverage industries : To ensure sanitary flow control and meet health and safety standards.
TYPE : Full or reduced Bore
SIZE : 15 mm To 500 mm
CONSTRUCTION : Blow out proof stem, Floating Ball, Anti static device, Fire Safe design
PRESSURE RATINGS : Class 150/300/600& 800
DESIGN & MFG STD. : BS 5351
TESTING & INSPECTION STD. : BS 6755 Part 2
BODY MATERIALS : Cast Iron, WCB, CF8,CF8M
END CONNECTIONS : Flanged Ends,ANSI B 16.5in class 150,300,600, socket weld end ANSI B 16.11, Screwed End ANSI B 2.1, Butt Weld End ANSI B 16.25
FACE TO FACE DIMENSION : ANSI B 16.10
FIRE SAFE TO : API 607
OPTIONAL : Trunnion Mounted Ball,Manual Gear Box or motorised operation