Three Way Valve of HVAC System in Urdu/Hindi
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- Опубліковано 7 лют 2025
- This is HVAC conceptual video about the "Three-way valve of HVAC System" regarding the HVAC system valves which are commonly used in chilled/hot water loops at AHUs and FCUs with accessories. This video is in the Urdu/Hindi language. It is basic learning detailed information for new or fresh engineers or technical field persons. It is also important for HVAC / MEP technical staff to leaning points of view. Here sharing my experience and knowledge that will be helpful to learn & grow for Engineers & Technical staff. If you found anything which is inappropriate then convey it in the comments for my information and rectification in the future.
I have explained the following in this video:
1. What is a three-way valve?
2. Types of three-way valves.
3. Application of the three-way valve.
4. Function of the three-way valve.
5. Operation of the tree-way valve, etc.
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9. Black Steel Pipe Detail | Standard ASTM A53 | Part-3
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Two-way valve link: ua-cam.com/video/IET7NNQXxX8/v-deo.html
very very amazing and informative vedio sir . i am elect engr and i am working in uae form last three years . this help me a lot.thanks for your this video and channel. love you engr tanveer ahmed sir
Welcome
JazakAllah sir, very helpful. Keep it up
Thanks
Grate information thanks sir
Welcome
AsalaamuAlaikum sir very informative video
Thanks
Walaykumassalam sir thanks for sharing your knowledge
Welcome
Thnku sir this video is helping us alot can we get 1 lakh + can we get refrigeration course
Pali pad le kuch
Welcome
@@grandgaming8149 😀
If you think, there is some mistakes then guide me, as I can improve my self through video
@@TanweerAhmed HVAC drawing reading part 11-12-13-14
How can I find them
Masha allah , very informative.
Thanks
Tannweer Sir , 3 way mixing valve is placed in return line and 3 way diverting line which is commonly used in HVAC is placed in Supply line ? is this right ?
Mostly in HVAC, 3 way valve install in return line of AHU
Good explanation
JazakaAllah
शानदार वीडियो👌👌👌👌👌👌
Thanks
Thank you Sir for your informative video, it's highly appreciated.
I've a question please,
May I know how to control a valve from 200 meters distance,
Could you please suggest any Thermostate model , please Sir
Online search or consult with instruments suppliers.
Very nice 👌amazing sir
Thank you
Sir good information thanks. I think apny ministry off since main km kiya hi Islamabad.
Yes, you are right
MashaAllah
الحمدلله
Sir aap plumbing ke bare m koi video nhi daal rhe h bht deen ho gya aap video nhi dale h
Ok I will work on it
Very nice bro
Thanks
Great sir
Thanks
Sir apriciate your video
Thank you
SIR MERA EK QUESTION H 3WAY VALVE KE LIYE
SIR ISKA SIZE PIPE SIZE SE LARGE HOTA H YA SMALL
AND KITNA DIFFERNECE HOTA H
Valve and pipes sizes remain almost same and some times valve size size small because valve select as per flow.
@@TanweerAhmed SIR HOW CALCULATE THE SIZE
KOI VIDEO YA AAPKE PASS CALCULATION HO PLZ SHARE
Mostly BMS vendor supply these two and three way valves and select valves models according to flow and pressure requirements. Refer catalogue of any valve for this purpose
❤❤❤❤❤
@@ac.technician555 Thanks
Thnxs more
Welcome
Constant pump chilled water system ,we can place 3-way valve in AHU cooling coil inlet ???
If we place in that system what are the problems can fine
Can you plz explain
DRV/2-way/3-way vales is used for control chilled water flow as per design requirements which is installed return pipeline.
It is normally installed on return because of the following reasons:
1. ASHRAE Recommendations.
2. The coil of the unit should be flooded in case the valve is closed.
3. With a control valve on the return side, the water is at a higher pressure through the coil, reducing off gas, thereby lowering dissolved oxygen content. Lower dissolved oxygen extends equipment life by minimizing the air entrapment.
4. In coil return line, after AHU/FCU install two way or three way valve, afterward install DRV due to above reasons.
Mojj krdi sir ji
Welcome
Thanks for video,
Sir why we fitted three way divert valve in return line , not in supply line as like AHUs....
Please explain sir
DRV/2-way/3-way vales is used for control chilled water flow as per design requirements which is installed return pipeline.
It is normally installed on return because of the following reasons:
1. ASHRAE Recommendations.
2. The coil of the unit should be flooded in case the valve is closed.
3. With a control valve on the return side, the water is at a higher pressure through the coil, reducing off gas, thereby lowering dissolved oxygen content. Lower dissolved oxygen extends equipment life by minimizing the air entrapment.
4. In coil return line, after AHU/FCU install two way or three way valve, afterward install DRV due to above reasons.
Moj kerdi sir ji
Welcome
I don't understand, what do you want to say?
@@TanweerAhmed whatsapp group mai sir ji
Good, you and your institute can get help from my videos. All are welcome
Fcu actuator valve kaisa check kartey? Kaisa find out kaeage problem koo?
What is a problem?
WA AALAIKUM MUSSALAAM
Thanks
Sir why we install these 2 way ,3 way ,PICV & DRV in return line...???
I have explained in videos. However, 2-way valve is used when chilled water no used or partial used in AHU/FCU then it operate and save energy. 3-way vale is same function but it also divert chilled water. PICV & DRV are used to provide required quantity of water in units as per load requirements.
Thanks alot sir
Welcome
@@TanweerAhmed Sir kindly guide me how much DRV valve open for per tonnage or for 1 Ton,?
DRV valve finalized as per flow capacity of water. It will open 100% on full load and close as per demand of water.
@@TanweerAhmed dear sir ager ap open close drv par ek video bana den to it's very helpful for us. 🙏🏼
Ok noted
Please sir make video hospital heat load how to make room pressurizarion
Ok noted
Agr Pump Direct Electricity sy chalaye jain tab 3 way valve lgaya jata ha lakin agr pump k sath VDF lgai jay tab AHU k sath PICV valve use hota ha taky Pressure ko maintain kiya ja sky jab cooling Requirement Pori ho jay
No comments
Your sound is like Dr Rajiv dixit.
Thank you for your comment! I appreciate the comparison. However, I'm glad that you found my sound similar to his. If you have any questions or if there's anything specific you'd like me to address in future videos, please let me know. Thanks for watching and supporting the channel!
Nice video
Thanks
@@TanweerAhmed helpy me
@@TanweerAhmed im hvac workar i need helpy
@@TanweerAhmed hvac unite with thermostat failure show ed im very Terry but not sholfe the failure ed plz helpy
@@TanweerAhmed my WhatsApp number 03163491773
Boss kya mein line me valve package ke bina btu meter install Kar sakte ha ja ne
Valves are used for maintenance point of view because some you have replaced or repaired then valves are used for on/off purpose. Without valve BTU meters can install but it is not good practice
@@TanweerAhmed thank you boss
nice
Thanks
👍
Thanks
pls.make a correction red line should be in water return line .supply water should be in blue line.thanks
Ok noted
Maf kariyaga, jaldibazi me mat boliye , aaram se ek ek
Cheez clear kar ke boliye, jise samjhna ha wo waqt dega, zyda se zyda 5 minutes vidio lambi ho jayegi, pls.
Ok
احسنت
JazakaAllah
Why on earth would we choose to mix flow that's going back to the chiller, instead of mixing what's going into the FCU or AHU?
because requirement of AHU/FCU fulfilled therefore chilled water divert to chiller
Actuvator out mai kyun lagate hai
DRV/Balancing/2-way/3-way vales is used for control chilled water flow as per design requirements which is installed return pipeline.
It is normally installed on return because of the following reasons:
1. ASHRAE Recommendations.
2. The coil of the unit should be flooded in case the valve is closed.
3. With a control valve on the return side, the water is at a higher pressure through the coil, reducing off gas, thereby lowering dissolved oxygen content. Lower dissolved oxygen extends equipment life by minimizing the air entrapment.
4. In coil return line, after AHU/FCU install two way or three way valve, afterward install DRV due to above reasons.
Actually how to answer simply in interview
The Main Difference between 2 way Valve and 3 way Valve
Both valves actuate through thermostat but 2 way valve resist the flow and 3 way valve divert the flow when temperature achieved. 2 way valve has two ports and three way valve has three ports.
Muh m rajnigandha kudmo m dunia☺️
Sorry, what do you want to say?
Aman where are u now
In rac lab
Their i am
Pali veere rajnignda ta ni chaihda sir kol hai
Welcome all
Dahi explanation nahi kya ,
Okay
🇦🇪👍👍
Thanks
Nice video
Thank you