Industrial Valve

Introduction to Industrial Valve

A valve is an appliance or natural utensil that controls, directs or regulates the flow of a fluid (liquids, fluidized solids, or gases) by closing, opening or partially cutting off numerous passageways. Industrial valves have been around for more than a century. As applications become more detailed and convoluted, valves have evolved into several major types to suit different requirements. These several types cover all industrial implementation and services. Valves are utilized in just about any condition involving the flow of liquid or gas. Industrial valves are built to cope with high pressure, either from fluid or gas, and to last through years of use in severe and harsh environments outside the house. 

Types of Industrial Valves

● Ball Valves

Ball valves are valves that use a ball to operate the flow of substances from one opening to the next as the name suggests. These valves work by authorizing the hole to be open, blocked, or open partially to manage the flow of liquid/gas. Ball valves are the perfect choice for gases as they are able to supply better sealing. They are multi-faceted as they support pressures up to 700 bars and temperatures up to 200°C and sizes generally range from 0.5 cm to 30 cm. They are easy to repair and operate as they encompass a simple structure. They are designed with distinct measures that allow only a 90-degree rotation from which required for the opening and closing of ball valves. These valves are a renowned industrial choice because of their reliable and airtight sealing when in the closed location. Ball valves are fitting for fluid, gaseous and vapor applications that need bubble-tight shutting down. High temperature and high-pressure applications apply to ball valves with metal seats when it’s primarily for low-pressure uses.

● Globe Valves

Globe valve looks like a globe with a plug-type disc. It is part of the linear motion valve family. Apart from being a great turn off/on valve, globe valve also has wonderful throttling capabilities. Similar to gate valve, globe valve disc moves up non-obstructively to allow the flow of medium. This is a great valve substitution for applications that do not require high-pressure drops. Globe valves perform well as the major problem is leakage. High point vents and low point drains use globe valves. Additionally, globe valves work when the pressure drop is not a disturbance. Regulated flow applications such as cooling water systems use globe valves.

● Gate Valves

Gate valve is another member of shut off/on valve family. What makes this special is its disc movement is linear. The disc is either wedge-shaped or gate, which has an effective shut-off and on mechanism. Gate valve is mainly suited for insulation. It is not advisable as the disc may get damaged from media vibration, since it is possible to use it as a throttling valve. The surge of the media can harm the disc when gate valves are used half-closed in a throttling employment.

● Check Valves

Check valve counts on interior pressure, instead of outside action, for closing and opening. It’s also known as non-return valve, prevention of backflow is the main feature of a check valve. Check valves are utilized in applications that require backflow prevention such as pumps and compressors. Feed pumps in steam boilers frequently use check valves. Power and chemical plants have a diversified process that also utilizes check valves. Check valves are also used when there is a mixture of gases in one pipeline.

● Butterfly Valves

Butterfly valve is also a member of the quarter turn valve family. What makes butterfly valve differ from the other valves is the flat to a concave disc that connects to the valve bottom. Located in the middle of the valve with the bottom bored into it or affixed at one side, the disc hinders media flow when the valve is closed. The bottom adds support to the disc. This design allows butterfly valve to throttle when there is cumulative opening of the valve. Butterfly valves are often utilized in gas and water applications where there is a need to insulate or interrupt the flow of media. Butterfly valves are great for processes that use massive diameter pipes. They are also fitting for cryogenics, slurries, and vacuum services.

● Plug Valves

Plug valve belongs to the quarter-turn valve family. The disc functions as a bubble tight shut-off and on cylinder or plug. Its opening and closing mechanism is identical to that of a ball valve.

Plug valves are effective tight shut-off and on valve. There are numerous applications that apply plug valves. Including slurries, gas pipelines, applications that encompass high levels of debris, as well as high-pressure and temperature applications.

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