An expansion valve is a device in steam engine valve gear that improves engine efficiency. It operates by closing off the supply of steam early before the piston has travelled through its full stroke. This cut-off allows the steam to then expand within the cylinder. Types of Expansion Devices are as follows:
1.Thermal expansion valves (TEVs) 2.Manual valves 3.Capillary tubes 4.Automatic valves read more here
Control valve:
A control valve is a valve used to control fluid flow by varying the size of the flow passage as directed by a signal from a controller. This enables the direct control of flow rate and the consequential control of process quantities such as pressure, temperature, and liquid level. You must have heard the name of industrial valves or seen them up close. Such as ball valves, expansion valves, etc. In this article, we will introduce control valves, ball valve parts, and types of expansion valves. Stay with us.
Control Valve Types:
Types of Control Valve are divided into several categories according to their performance:
Pressure Drop Profile High-Recovery Valve (e.g. Butterfly valve, Plug valve, Gate valve, Ball valve, etc.) Low-Recovery Valve (e.g. Angle valve, Globe valve, etc.)
Movement Profile of the Controlling Element Linear Motion (e.g. Gate, Globe, Diaphragm, etc.) Rotary Motion (e.g. Ball, Butterfly, Plug, etc.)
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Control Valve Parts:
Bad fuel can cause key engine parts, such as the injection control unit, fuel pressure control valve, fuel oil pump or cylinder liners, and piston rings to go from new to unusable in no time.
The most important Parts of Control Valve are:
The body One of the main control valve parts is its body which is also known as the shell. Working as a framework, the valve body is considered as the main unit in the valve assembly and the main boundary of a pressure valve. It enables the whole system to seat in one place and never falls apart.
Bonnet Bonnet in control valves covers the opening in the body. They are also an important part of the system since like valve body, they work as a boundary of a pressure valve. They, too, have different models and designs. More information in this link.
Ball valve
A ball valve is a form of quarter-turn valve which uses a hollow, perforated and pivoting ball to control flow through it. It is open when the ball's hole is in line with the flow and closed when it is pivoted 90-degrees by the valve handle. The most important parts of ball valve are called the shell or body.
One of the main ball valve parts is its body. The shell or body is used to keep all the units of a ball valve together and help them stay in one place. Plus, it helps keeping all the units safe from outside threats and dangers to some extent. No matter what shape or type the ball valve is, it will always need a shell or a body to keep everything together. more information
References:
https://www.linquip.com/blog/ball-valve-parts-an-easy-to-understand-guide/
https://en.wikipedia.org/wiki/Electric_generator
https://www.linquip.com/blog/types-of-expansion-valves-guide/
https://www.linquip.com/blog/control-valve-types/
What is Control Valve?A control valve is a valve used to control fluid flow by varying the size of the flow passage as directed by a signal from a controller.This enables the direct control of flow rate and the consequential control of process quantities such as pressure, temperature, and liquid level.In automatic control terminology, a control valve is termed a "final control element".Bad fuel can cause key engine parts, such as the injection control unit, fuel pressure control valve, fuel oil pump or cylinder liners and piston rings to go from new to unusable in no time.
Read moreControl valves are one of the applications in home and industrial applications.
We have talked about it in previous articles.
In this article, in addition to an overview of its use, we want to introduce Control Valve Parts.
The main purposes of control valves: Relieving the system from specific pressuresControlling the flow directionIncreasing or decrease the flow Parts of control valves:Control valves are made of the following parts:Valve DiscStemThe bodyPackingRead more here You can refer to the following links to read more about the different parts of control valves.
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