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Types of Valve used in Piping - Learn about 9 Types of Valves

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Language: en

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Welcome to the hardhatengineer.com.
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I am Varun Patel.
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In this video, you will learn different types
of valves that used in piping.
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You will learn about
• Gate Valve
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• Globe Valve
• Check Valve
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• Plug valve
• Ball Valve
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• Butterfly Valve
• Needle Valve
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• Pinch Valve and
• Pressure Relief Valve
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What is Valve?
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A valve is a device that regulates, controls
or directs the flow of a fluid by opening,
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closing, or partially obstructing fluid flow.
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Basically it controls flow & pressure.
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Different types of valves are used to serve
these functions.
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Let’s start with
Gate valve
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Gate valve is the most common type of valve
in any process plant.
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It is a linear motion valve used to start
or stop fluid flow.
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In service, these valves are either in fully
open or fully closed position.
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Gate valves are used in almost all fluid services
such as air, fuel gas, feedwater, steam, lube
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oil, hydrocarbon, and all most any services.
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Gate valve provides good shutoff.
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Globe Valve
Globe valve is used to stop, start, and regulate
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the fluid flow.
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Globe Valves are used in the systems where
flow control is required and leak tightness
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is also necessary.
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Globe valve provides better shut off as compared
to gate valve and it is costlier than gate
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valve.
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Check Valve
The check valve prevents backflow in the piping
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system.
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The pressure of the fluid passing through
a pipeline opens the valve, while any reversal
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of flow will close the valve.
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Plug valve
Plug valve is Quarter-turn rotary motion Valve
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that uses a tapered or cylindrical plug to
stop or start the flow.
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The disk is in plug shape, which has a passage
to pass the flow.
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Plug valve used as on-off stop valves and
capable of providing bubble tight shutoff.
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Plug valve can be used in vacuum to high-pressure
& temperature applications
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Ball Valve
A Ball valve is a quarter-turn rotary motion
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valve that uses a ball-shaped disk to stop
or start the flow.
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Most ball valves are of the quick-acting type,
which requires a 90° turn of the valve handle
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to operate the valve.
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The ball valve is Smaller and lighter than
a gate valve of same size and rating.
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Butterfly Valve
A Butterfly valve is a quarter-turn rotary
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motion valve, that is used to stop, regulate,
and start the flow.
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Butterfly valve has a short circular body.
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Butterfly Valve is suitable for large valve
applications due to Compact, lightweight design
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that requires considerably less space, as
compared to other valves.
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Needle Valve
Needle valves are similar to a globe valve
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in design with the biggest difference is the
sharp needle like a disk.
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Needle valves are designed to give very accurate
control of flow in small diameter piping systems.
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They get their name from their sharp-pointed
conical disc and matching seat.
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Pinch Valve
The pinch valve is also known as clamp valve.
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It is a linear motion valve.
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Used to start, regulate, and stop fluid flow.
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It uses a rubber tube, also known as a pinch
tube and a pinch mechanism to control the
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fluid.
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Pinch Valve is ideally suited for the handling
of slurries, liquids with large amounts of
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suspended solids, and systems that convey
solid material pneumatically.
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Pressure Relief Valve
A pressure Relief valve or pressure safety
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valve are used to protect equipment or piping
system during an overpressure event or in
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the event of vacuum.
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This valve releases the pressure or vacuum
at pre-defined set pressure.
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If you want to learn about more than 18 types
of valve in detail, you can buy my course,
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how to be an expert in piping valves.
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Link is given in the description.
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This is all about different types of valves.
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Don’t forget to subscribe to my channel.
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Please like and share my video with your friends.
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See you soon goodbye take care.

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