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A ball valve is a flow control device which uses a hollow, perforated, and pivoting ball to control fluid flowing through it. It is open when the hole through the middle of the ball is in line with the flow inlet, and closed when it is pivoted 90 degrees by the valve handle, blocking the flow. [1]
It is controlled by a handle and sprung trigger at the top, and pivots at the bottom to pass between two notched sector plates. The reversing rod, which connects to the valve gear, is attached to the lever either above or below the pivot in an alignment that gives good leverage. A square pin is arranged to engage with notches cut in the plates ...
The inside of an extremely large butterfly valve Duplex ball valve Three check valves in corrosion-resistant Hastelloy Stainless steel gate valve. Valves can be categorized into the following types, based on their operating mechanism: Ball valve, for on–off control without pressure drop. Ideal for quick shut-off, since a 90° turn completely ...
The four-way valve or four-way cock is a fluid control valve whose body has four ports equally spaced round the valve chamber and the plug has two passages to connect adjacent ports. The plug may be cylindrical or tapered, or a ball.
An isolation valve is a valve in a fluid handling system that stops the flow of process media to a given location, usually for maintenance or safety purposes. [1] They can also be used to provide flow logic (selecting one flow path versus another), and to connect external equipment to a system. [ 2 ]
If you prefer to peek into the crystal ball for a full trip around the sun, you’ve come to the right place. We scoured more than a dozen food and drink trend reports and spoke to six industry ...
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