Ball Valve Vs Butterfly Valve
Ball valves and butterfly valves have several characteristics in common including.
Ball valve vs butterfly valve. When it comes to finding the right valve for your marine or industrial job ball and butterfly valves often take center stage. Butterfly valves are similar to ball valves but have several advantages. For a start a ball valve can give you the perfect seal. The family of rotary valves also includes cone and plug valves.
Ball valves and butterfly valves are both quarter turn 90 degree turn from fully opened to fully closed rotary valves. They are used to control the flow of most types of gases or liquids across a. Butterfly valves are installed either sandwiched between two existing pipe flanges wafer style butterfly valve or have flanged ends. The ball valve a rotary ball design is the main component of these valves quick to respond these valves are also easy to use and maintain and are ideal for clean operations.
The butterfly valve designed in the form of a disc or double or triple offset shafts that operate perpendicular to the flow direction these valves ideally can control flow but do leave some residual material in. The ball valve has a hollow sphere like disc inside the valve body. Cost much less than a ball valve of the same size generally 2 3rd the cost of ball valve 2. Among the two most common types of rotary valves are the ball valves and butterfly valves.
Plus butterfly valves don t trap fluids like a ball valve can so a butterfly valve may be better for applications in food production where residues can create health hazards. Which one to pick depends on the nature of your projects. The disc is lighter than a ball and the valve requires less structural support than a ball valve of comparable. Ball valve butterfly valve.
Many company standards recommend butterfly valves for size 6 inch and above since the price difference between a ball valve butterfly valve of bigger comparable size 12 inch above is substantial. Ball valves can be provided in wafer designs and with flanged ends but also with threaded socket weld and glue rtj sanitary tri clamp ringed groove victaulic tube and cam lock to name the most. The ball valve the butterfly valve has a thin disc with a relatively thin body. The advantages of using butterfly valves.
Advantages of a butterfly valve. Concentric butterfly valves or resilient seated butterfly valves have a stem that is centered in the middle of the valve disk which in turn is centered in the pipe bore eccentric butterfly valves can be double offset or triple offset depending upon the stem and disk structure. Differences between a ball valve a butterfly valve. Butterfly valves can be concentric or eccentric.
The uses for both ball and butterfly valves are extensive and they are each widely used across industries. Bal valves and butterfly valves are inexpensive practical and last long. There are certain features which make the ball valves better than the butterfly valves. They re both quarter turn rotary valves requiring a 90 degree turn from open to close.
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