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작성자엑스맨 조회 34회 작성일 2021-06-22 07:08:38 댓글 0

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Gate Valve - How it work ?

The Nature of a Gate Valve :
A gate valve consists of an actuator---such as a lever, a hand wheel or an electric motor---a housing, which holds the valve mechanism, and a gate---a rectangular or circular piece of metal that acts like the gate on a fence. When the gate is raised, liquids or gases can pass through the gate. When the gate is closed, the flow stops.
Anish Lal : really good video..thanks mohamed
Words & Strokes : brilliantly explained, pl upload video about fixings arrangement of av, scv, flow controlling valve.
Ankush Sharma : thanks
SPORTS GURU : Very thankful
Karthik Jawahar : Hello! Can you please tell me what software you used for this video?

Gate Valve and Types of Gate Valve - A detailed Explanation

Learn about Gate Valves and Types of Gate Valve that used in piping. Detailed Explanation about a gate valve.

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The distinct feature of a gate valve is the sealing of passages by the gate or wedge and seats. A gate or wedge of gate valve moves perpendicular to flow of the service. When you move stem in the up position, the valve is open and stem in the down position, the valve is closed. You can see the same on the slide.


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Cristal Jin : Manufacturer of API600 gate valve,sales8@tsv.cn
Abdul Aziz : for non rising stem, how to make sure the valve is in open or close condition visually (without test the handwheel)?
Danish Mahmood : Sir plzzzz contact i want pipe fitter course online +60169703034
luo crystal : Supplier of industrial valve,gate,globe and check valve,sales8@tsv.cn
Ashwin R : I know pdms software, is there is any placement regarding this

How Gate Valves Work

This 3D animated video explains how a gate valve works. We also look at the operating characteristics of the gate valve, its advantages, disadvantages, and its applications.

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Ultimate Valve Playlist with detailed video tutorials of each valve type!

https://www.youtube.com/playlist?list=PLjoH8XiKuSWlZA8IMStMGEbtMHx7WrU5s

Or watch each video separately!

Valve Construction and Components Explained
https://www.youtube.com/watch?v=naXxsXJzLvg

How Globe Valves Work
https://www.youtube.com/watch?v=GSEIpwf5FBI

How Ball Valves Work
https://www.youtube.com/watch?v=RvD1R8Tlr9M

How Gate Valves Work
https://www.youtube.com/watch?v=C5ZMLWujKGs

How Butterfly Valves Work
https://www.youtube.com/watch?v=jZgOb55J8Eg

How Diaphragm Valves Work
https://www.youtube.com/watch?v=dxelSWY6bhg

How Plug Valves Work
https://www.youtube.com/watch?v=WwrWKBydxeM

How Pinch Valves Work
https://www.youtube.com/watch?v=v1BE4wtUOfw

How Pneumatic Valves Work
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How Swing Check Valves Work
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Gate valves are linear motion valves. They are multi-turn type valves as the actuator requires numerous turns to change from the fully open to fully closed position. Linear motion valves are slower to operate than rotary motion valves, but this is beneficial in some instances because this trait helps avoid water hammer when opening the valve.

Gate valves are usually installed with in-line piping that requires very little obstruction to flow. When the gate valve is fully open, there is a very low pressure drop across the valve.

The gate valve bonnet allows easy access to the internal valve components. The internal valve components are referred to as the ‘trim’.

Gate valve discs are either of the inclined or parallel design. Three inclined disc designs are used, these are the solid, split and flexible wedge designs.

Gate valve seats are machined directly into the body, or, seat rings are used. Seat rings can be attached to the valve using a screw thread.

Gate valves utilise either a rising or non-rising stem design.

In service temperatures are between approximately -20 to 60 °C. In service pressure can be up to 16 bar. The maximum flow through the valve is between 5-20 metres per second depending upon if the flowing medium is a liquid or gas.

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#saVRee #Valve #IndustrialEngineering
Lord Dominator : This was masterfully explained.
Marwan Kdub : Thanks
DMan : Wow. Now I know. Its just fully opened or fully closed. No in between! No counting 1 turn or 2 turns hehehe
Kaamil-Inaam Naicker : I know nothing about valves, and I could follow this really easily. Thank you for the informative video!
Piping Engineering : Very nice and detailed explanation of gate valve operation.

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