Fire Pump Setting | NFPA 20 | in Urdu/Hindi
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- Опубликовано: 11 сен 2024
- This is a fire fighting system tutorial video about "Fire Pump Setting/ NFPA 20 diesel fire pump/ Fire Pump Room" according to NFPA 20 in Urdu/Hindi language. It is basic learning detailed information about fire pump testing & commissioning. It is also important for Firefighting/MEP technical staff. 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.
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great explanation Tanweer bhai
JazakaAllah
GURU! thanks a lot One should learn from you to teach free of cost and make every one in our field knowledgeable Thanks once again
Welcome
Assalam o Alaikum WRWB
Tanveer Bi, ALLAH khush rakkay, great job & Great efforts. MashaALLAH
W.Salam,
Thanks and you too
Nice video dear sir , but what i got the churn pressure is pr at which pump is runing with water and gate valve at discharge pump line is completly closed ,
So if we run the pump at 100 % flow capcity with closed Gv at discharge
then pump will get heated , and bez of the K.E is converting into heat , there is a relife vlave line to atm with small dischage line to cool the pump casing , but for how long we will run the pump , if we run too much pump will burn , so is it for 30 sec ,
AND FOR THE FITTING AFTER THE discharge of pump does it has to with stand pr = or > than churn pr rating while selection this will increase the cost of material ,
Is it like that fittings near the pump discharge line we consider pr rating of it to be churn pr , and for fitting far a way from pump room we consider it to withstand normal pump pr , as pr decrese as we go far a way from pump room
You got right from my point of view but it is NFPA standard requirements
@@TanweerAhmed thank y , but still i have one point that , if we are taking churn pr to be with standing pr for fittings in system
, so while the main pump start set point = jockey start pr - 5 psi
= 155 psi - 5 psi = 150 psi
So it means when the main pump will start it will exert a pr of 150 psi on all fitting , and we considered the fitting working pr to be churn pr = 115 psi ,
Isnt in this case the fitting will fail
In firefighting, fittings are used PN25, it means fitting can sustain 250psi nominal pressure
Very helpful knowledge we get from you and thank you.
Welcome and thanks
@@TanweerAhmed Sir please help me with your email id I need to write you and information help required.
I have some questions bro please can I have your WhatsApp number
You can ask here?
@@TanweerAhmed Sir if possible you have pdf file would be possible to share me so I can study my email id man32013@gmail.com
Thank you very much sir.
Welcome
Very good sir
Thanks
Helpful video thank-you
Welcome
Bahut acha.
Thank you
Very important video
Thanks
Nice
JazakAllah
Sir u r great
Welcome
It's very helpful for us. Thanks a lot sir. I've a request to you for making a video about Vertical Turbine Fire Pump.
Thanks, what do you want to know about vertical turbine fire pump?
@@TanweerAhmedSir, about installation, operation & maintenance.
Ok noted
🙏🏻🙏🏻🙏🏻
Thanks
Very good video
Thank you
Jai hind sir
All is well
PAKISTAN ZINDA BAD & Tanveer Bi Payenda Bad
Good sir ,its very useful
Welcome
Namste sir great sir
Thanks
Thanks for shareing knowledge, this pressure setting is followed by globally or it varies from country fire force department? During fire case the fire pump start and running continues after fire put off. Do we need to switch of the pump manually or it automatically switch of depends on pressure or timer?
JazakaAllah, this is NFPA recommendations pressure setting for fire pumps. All fire pumps run and stop automatically except diesel fire pump.
Water flows out of the system through sprinkler, pumps will be continuous running and no chance to build up the pressure in system with fused sprinklers. In this case how main pump will auto swith off and reaches the cut off pressure.
Do we need to manually switch of the pump after fire case
sir agar pani ka supply underground water tank se hai to pressure setting kya hogi?
Use your common senses
Very nicely explain, thanks only if you have underground supply tank for water then ....?
Mostly water supply for this part of the world with fire water tank, please explain .
Ok noted, I will explain
Very informative...👍...Which is the main pump in a pump room sir? Electrical or diesel? Why?
Thanks, Electrical & Diesel both are same capacity pumps and both are main pumps but normally electrical available 24hrs from government sources for private sources then electric pump consider as a main pump while diesel pump consider as a standby pump because diesel pump use rarely, in case power not available
Thanks sir.. 🙂 very informative
Welcome
@@TanweerAhmed sir...humble request, can you please make videos on types of commodities, storage , and few examples for calculation of CMDA, CMSA and ESFR sprinkler in warehouses with in rack sprinklers and various occupancies sprinkler design requirements, miscellaneous storage and calculation of sprinkler and water supply requirements as per NFPA 13 in your upcoming videos, if you have already made please share the link sir....I gain a lot...and you make learning fire protection topics very easy..thanks sir.. ❤️
Ok noted
Good sir
Thanks
Stair case pressurisation fans pe bhi vedio banaye
Insha'Allah I will prepare video
Vrey nice
Thanks
Sir please answer my question. Line pressure will be always less than churn pressure due to frictional losses . All Fire pumps start and stop not to be based on actual line/pipe pressure instead of churn pressure since actual line pressure is far less than churn pressure due to losses Darcey law ? . Here I am considering Churn pressure is the pressure at pump discharge line when gate valve is fully closed i.e. max pressure. Please guide me.
Follow procedure as explained
dera sir can you make one video abut diesel pump battery capcity
Battery capacity decided by generator manufacturer there I don't know more about it
What do you mean for fire it is either electrical pump or diesel pump
A fire pump is NFPA wording, its means pump used for firefighting
Great videos. I have a question regarding the static pressure alowen(maximum) for high-rise building. How many statics does fire pump can carry? Thanks
NFPA recommend max 300psi if pressure increase then make an other zone of fire pump
@@TanweerAhmed thanks for your answer
Welcome
Fire pump pannel se digital preesure calibration krne ka video upload kren na
Ok noted
Suction supply PSI value for static underground tank
Consider zero
Assalamo alaikum,
I have one question - as per nfpa setting that you explain above, in middle east countries this setting is not followed.
For example if a pump is 750 GPM @ 100 psi then can you explain what will be the pressure setting for jockey pump and electric pump ?
W.Salam,
I don't know other settings except NFPA
Mr Tanweer saya mohon ijin untuk menkopy meterinya, terimakasih yang sebesar-besarnyanya , mudah2an Allah memberikan riqki yang baik untuk anda dan sekeluarga berupa kesehatan, kelancaran ,umur yang barokah serta panjang umur, aamiin ,andi suharto Jawatimur Indonesia
You are allowed
Sirji Fire pump auto main band hona chahiye ya manual
Thanks
Jokey and Main Electric Fire Pump auto start/stop and diesel fire pump auto start/manual stop (or manual start/stop)
Sirji Request if you can tell me where it is written.
Thanks in advance.
Refer NFPA 20 and I have explained in my one video as per code requirements
Bahut bahut sukriya sir
What if the churn pressure are different for electric and diesel pumps ? Which pump churn Should be taken as reference ? Is this setting mandatory as per nfpa?
Electric Main Fire Pump always taken
@@TanweerAhmed Is this setting mandatory as per nfpa?
Yes
@@TanweerAhmed thanks for the reply … u r doing a great job .. could you pls do a video on foam fighting line with a drawing so as to clear all the components in the system
@Tanweer Ahmed sir very helpful, i have a question. What is the suction pressure in case of u.g.w.tank . What would be the jockey pump stop if fire pump is 500gpm and 225 psi head ?
In this condition, no city water and underground tank therefore suction pressure consider zero or negative as per site condition. If considering zero then jockey pump stop 225psi if head is calculated correctly and then jockey pump start 225-10=215psi and fire pump start 215-5=210psi
JazakAllah sir , plz keep up this video series , its very helpful for us as a design engineer.
Insha'Allah and thanks
Sir me india se hu me apke Sare video Dekhta hu me plumbing or fire cad service line me hu sir maine bhut se engineers ke under me work kiya hai lakin app jaisa explain koi karta ho aisa deep knowlege bhi kisi ko ho slute hai sir apko 🙏
Thanks ❤️
Sir fire service mn centrifugal pump hi q use hota h aur koi pump q use ni hota .please sir guide
Centrifugal pump is not positive displacement pump therefore it is used.
Dear sir fire pump room ke air vessal tank ki video bna dijiye,or ye concept bhi clear kr dijiye ki pump room ke air vessal tank me arv lgegi ya prv...pls
Sure, I will prepare video... Insha'Allah
@@TanweerAhmed sir pls jald se jald bna dena,kuch or doubt bhi hai aap unhe bhi clear kra dena
1. hmara main pump auto start pr manual bnd hota hai, fire-fighting ke doran start ho gya or hmari fire-fighting bhi complete ho gyi pr hmne pump ko manual band nhi kiya,to kya line fat jyegi ya phr pump me koi or device lgi hoti hai jisse line damage na ho...?
Air vessal tank me prv lgegi ya arv ?
Re circulation valve kha lga hota hai ?
Pls sir inke bare me knowledge de dijiye...
1. Pressure relief valve is installed at pump discharge for relieving excessive pressure from set or cut off value. Moreover, pump head is design for centrifugal fire pump which does not increase head pressure from design, therefore no problem of pipeline damages.
Air Vessel Tank is an expansion tank or expansion vessel is a small tank used to protect closed (not open to atmospheric pressure) fire or chilled or domestic water systems from excessive pressure. The tank is partially filled with air, whose compressibility cushions shock caused by water hammer and absorbs excess water pressure caused by thermal expansion. Therefore, in this tank only air filling with air release valve.
@@TanweerAhmed thank u sir,pr jb bhi aap ispe video bnaye usme or gehrayi se bta dena dear sir...
Sir main pump auto mai band hona chahiye ya nahii ?
If your fire pump is set in auto mode then pump should be off when set pressure is achieved
Sirji rule kya kahta hai...fire pump Auto main band ho chahiye ya manually
Thanks
Sir , agar main pump chal rha hai toh jockey pump v chalega ki off rahega
Chalay gha
@@TanweerAhmed thank you sir 🙏
Thanks for the great video. Can you please share the powerpoint slides? It makes it easier to revise offline.
Join my Telegram group HVAC|MEP Engineering for documents
Sir, for example rating of electric pump discharge 2280 LPM & head 80 m then what will pressure setting??. If discharge 2850 LPM & head 80 m then pressure rating change??
Convert head into pressure and the follow settings as explained in my one video
Sir Mai Saudi ho. Hum ne fire pump install kye Hai discharge header ki hight FFL se 7 feet Hai civil defense kehta Hai ye hight Kam Hai. Sir ye hight kitni honi chayie. Plz guide me
Ask from Civil Defence because they have observation
Sir churn pressure Kaya hota hai
Churn Pressure: Fire pump run without/no flow of water
Thanx sir it's very helpful
Welcome
Can you provide English subtitles
I will try to write subtitles
Thank you engr
Fire pump Matlab hydrant pump, ya dg?
Fire Pumps are called electric pump, jockey pump and diesel pump. These pumps installed in all systems
@@TanweerAhmed sir can you particularly tell me what is electrical pumps cut in and cut out pressure
It is explained in video
What is transducer switch, why we use
It is used for pressure. Mostly this switch is used with fire pump controllers/panels and liquid pipe line connect with transducer switch and panel indicate pressure of fire pipelines.
Can you try in english please
I can but my goal is to communicate videos in national language Urdu
Sir give me Jocky pump electric schematic drawing
Sorry electric drawing is not available
Bai uL
!? ⁉️
please bangla review?
?
Yr kuchh aap uardu language me batate hai o samjh nahi pata hu please hindi me bataya kare🙏
Ok
Psi ko convert karke batao kg mein sir
PSI is unit of pressure and KG is unit of mass or weight therefore can't convert. However you say that convert psi into kg/cm2 then 1psi = 0.07kg/cm2
@@TanweerAhmed so koi puche ki jockey pump kitne pe start hota aur kitne bandd tho kya bole skte hai
Agr 3 floor ki building ho
Jockey pump start and stop at Delta 10psi difference of Pump head pressure. Head pressure is written on name plate of fire pump which is calculate according floor height, pipes, fittings, horizontal lengths, valves etc. as per site or drawing.
Why there is firefighter Design Engineer not have much scope compared to HVAC ENGINEER
Where?
@@TanweerAhmed , Mumbai , india
I have no idea about India
Plz sir provide pdf to me
Join my Telegram group and its link is given in each video's description and also community tab. You can get pdf documents
you should shame to making undauntedly so big video
If you don't have anything nice to say, don't say anything at all