How Pneumatic Valves Work
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- Опубліковано 7 вер 2024
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This animated 3D video shows how a pneumatic control valve works. Pneumatically controlled valves are those that actuate when air pressure is applied or removed. You will learn how the valve works, its main components and the different types of valve actuator.
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▶️The 3D animation uses a straight flow (z-type) globe valve as an example. The valve is closed when air pressure is applied and opened when the air pressure is drained.
Valve components mentioned in the video include:
Disc / Lid
Stem
Seat
Diaphragm
Pneumatic Actuator
Body
Bonnet
Position Indicator
The different types of actuator mentioned in the video are:
Pneumatic / Air
Hydraulic / Liquid
Mechanical / Hand
Electrical / Motor
The concept of ‘fail safe’ is discussed. The fail-safe design means that a valve will turn to a pre-defined position upon loss of power. This position is designed to be ‘safe’ i.e. a position that will not cause a dangerous situation should the valve lose power.
#saVRee #Valve #IndustrialEngineering
Want to continue learning about engineering with videos like this one? Then visit:
courses.savree.com/
Want to teach/instruct with the 3D models shown in this video? Then visit:
savree.com/en
Very informative explanation with clean visuals/text.
Good Day!
I am working with this type of valve on a chemical/product oil tanker. It was installed on steam line going to heater used for heating water during washing of cargo tanks. Regarding main problem with troubleshooting during loss of air, we had installed double manual valves before pneumatic valve and one after pneumatic valve. Control of temperature was possible with a thermostat that regulated air pressure on pneumatic valve. I can tell you that system worked for 16 years on that ship with proper maintenance and still in good shape.
Thank you for your great work!
You have great videos men subacibed and downloaded the apps. Im a seafarer and i really support this
a very good illustration and simplify the process.....upvote
its a very useful video............easily explained.............
"you can see from it's shape it's shaped slightly like a globe... if you've got a very warped sense of vision"
Very funny
Sir, A very good explanation of how Pneumatic Valve work. Thanks for uploading!
Great video. Thank you. I am now smarter than I was 8 minutes ago 👍🏼
Thank you so much your videos really helped me in my work
Nice video but I have seen a lot of pneumatic actuators working with throttling control valves. In fact most of them use diaphragm pneumatic actuator. If you want to be accurate, positioner are used. Please clarify (minute 7:45)
Excellent lesson, appreciate.
Very well described...
Plz explain about anty surge valve and pid control valves
Awesome thank you for this Vedio I appreciate that can you explain about SDV
Awesome 3D work and explanation 🔥👌
Thank you for well video
Nice Video& thanks
Tnx
Thanks!
Excellent video!
At the end of the video you say that peumatic valves are used for on/off purposes only, from my experience, they are used for throttling , all pneumatic actuated valves I have experienced are used for throttling, so I need to clarify that point, which is the reference for that?
@@savree-3d Yes I am talking about O&G industry, Thanks for clarification
The globe valve gets it's name from the body shape of the earliest globe valves ever made, which had in fact a globe shaped plug and body.
2:45 Jump to Animation :D
Great video, thank you.
Nice video, Please make a video on Pneumatic Butterfly Valve.
What is the fluid flow pressure?!
I actually have a question for u. In case the fluid flow pressure is 5 bar. We have only 3 bar to activate the pneumatic valve then it is possible for the activation?! Expecting ur detailed explanation.
Thank u in advance
You've explained the Air-to-close Pneumatic valve. Is the setup any different for an Air-to-open pneumatic valve?
it's awesome, may i use your video and edit it to display in my website, and off course tag your name?
Unfortunately this is not allowed for copyright reasons.
An insignts for calculating the dimensions ? Like the diaphram size, disc size depending upon the gas pressures and the air pressure required ?
Thanks sir 😊
Amazing video! Where does the air come from? Is it atmospheric air available in the room? How does the air gets compressed?
An electrically driven pneumatic compressor provides the air which engineers call "instrument air".
Awesome ,do you do hydraulic videos as well,i loved the simplicity of explaining.
Sir plz made a video on how a solenoid valve works.
so this valve is a normally open valve
Thanks v much
Foremost, thank you so much for sharing this video. Is the video describing how N/O, Normally Open works?
As far as I am concerned, it looks like this work is described as N/O.
Anyone watching this to let me know to clarify what I have gotten so far is right?
Yes that’s a normally open valve
Dear could you please answer my question. How small pressure in the pneumatic actuator .2-1bar is controlling the process fluid/steam pressure which is very high e.g 40 bar. Is it because of the area? Or what? Plz explain. How the force acting on diaphragm will overcome the force in fluid and spring force?
Kindly make animation on control valve with with double acting pneumatic actuator with air lock relay, air set and positioner
If oressure of the fluid in line is more than 7 kg per sq cm as u described for air, will the valve get opened??...how do we make and keep than it closed if if pressure of fluid handled is more than air pressure
Do you have an animated video showing a reverse acting control valve?
Is it possible to remove the spring and use only the pressure of the fluid to control the valve?
It is easier, simpler and more cost-effective to use the spring. But it is possible to remove it and replace it with air/oil pressure.
good day what software do you use for screen recording?
We need explaining about positioner
WHAT SOFTWARE DO YOU USE SIR?
👍
Just by looking at a valve how can you tell what type of valve is it?
We need a hydraulic control valve or pneumatic control valve sir
Wasn't it supposed to be Electrical / Solenoid instead of Electrical / Motor?
I've never seen or heard of a motor operated Valve.
Please Clarify
Most likely a heating valve.
I'm sorry but the ending bits are entirely misrepresented!
In the real world, globe valves with pneumatic actuators are solely used for throttling applications and seldom used for on/off services! And I've never seen any globe valves being used for isolation applications in Oil & Gas services!
With the appliance of a positioner and I/P converter, you can use any type of Analogue or digital electronic signal to whatever air pressure supply you need for the valve (usually 3~15 psi).
There is an ISA standard for globe valve leakage classes.
And none of those classes match the performance of even the lowest classes of an API 6D double block & bleed ball valve.
@@savree-3d thanks for the reply. as I said, I was speaking from the view of Oil & Gas industry.
@@savree-3d thank you again.
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