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Ball valves are flow valves that are quarter-turn and straight through devices. These valves allow for close and/or control. They have a round closure element that contains a matching pair of rounded seats that allow sealing to take place.
Ball valves are sturdy devices that are very cost effective and they also have a long service life. The regulating elements design makes it easy for the ball valve to work without worrying about side loads, which is often the achilles heel of globe or butterfly valves. The ball valve design allows for easy fixing of the seats if a problem arises and also seals without having to take away the body of the valve.
Many different Ball valves are available, for example two-piece, three-piece and flanged. Each form of ball valve has its own good and bad points, Depending on the application requirement. Ball valves can be made from various materials including brass, bronze, cast iron, steel, copper ductile iron, metal alloys, stainless steel, and even certain types of plastics.
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