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There are various types of end connections that a valve can have. Depending upon the types of applications the valves are being used for, you can choose the right type of end connections. The common types of valve end connections are as follows: Flanged Valve End Connections – These are one of the easiest connections to…
One of the most important aspects of using a valve for any application is to determine its right size. Ascertaining the correct size is extremely important to have adequate control of flow rate. Sizing a valve is based on a number of factors. These are pipe size, type of material, flow design, pressure drop, and…
Before understanding the concept of a solenoid valve, we should first understand what a valve is. A valve is a device which works by regulating or controlling the flow of a fluid. This fluid can be liquid, gas, slurry, etc. Valves are available in a wide variety of makes and designs, serving a variety of…
Valves are one of those critical inventions that go unnoticed by many. They play an important role in our world by controlling, regulating, guiding and directing the flow of assorted types of liquids, gases, steam or flowing materials such as mill, grain, etc. Valves are made of steel, iron, steel, bronze or PVC and can…
ACTUATOR: A fluid-powered or electrically powered device that supplies force and motion to a VALVE CLOSURE MEMBER. AIR SET: Also SUPPLY PRESSURE REGULATOR. A device used to reduce plant air supply to valve POSITIONERS and other control equipment. Common reduced air supply pressures are 20 and 35 psig. AIR-TO-CLOSE: An increase in air pressure to the ACTUATOR is…
Among the two most common types of rotary valves are the ball valves and butterfly valves. Both valves have a 90 degree turn and are mainly used to control the flow of gases and liquids. There are certain features which make the ball valves better than the butterfly valves. For a start, a ball valve…
What is torque? Torque is a force tending to rotate a body about an axis. (Example): force on a wrench tending to rotate a nut around a bolt. How is Torque expressed? Torque always has two parts, force and distance, and is expressed as the product of the two. (Example): Torque = force x distance. …
A butterfly valve is a type of quarter turn valve. A quarter turn valve can open or close whenever the handle is turned 90 degrees (a quarter of a turn). The main function of these valves is to control the flow of liquids through a section of pipe. Butterfly valves are mainly used in waste…
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