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AHU is fresh air. HVAC system including everything fresh air and exhaust system.

An HVAC system might include a chiller, boiler, and AHU working together. The chiller cools water, the AHU uses that chilled water to cool the air, and the HVAC system distributes that air throughout the building. In short, AHU is a part of the HVAC system specifically dedicated to air handling.

9789066998

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I can't share a PDF, but you can access similar information online.

Pressure reach aanathum cut off aagum.. If electrical pump start running pressure increase more, so jockey pump cut pressure reach easily,

@@knowyoursafety2040 👍🙏 Thanks bro

Depends on pressure, pressure set pannuvaga... Jockey pump intha pressure la on aagum, intha pressure vantha off aagum... Same way electrical pump Diesel engine.... Jockey 7 bar na Electrical 6 bar Diesel 5 bar Appadi set pannuvanga.... Okay va

Okay

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@@knowyoursafety2040 neenga ejadah la ya work panndringa bro??

@statuztamila353 farnek la work pannan.. Ippo Chennai

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Duty pumps are always in operation, Standby pumps any operation pump repair or maintenance, then it will be active for operation

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What AA or AAA battery ah.?? Bro

Jockey pump 2-5 hp tha irukkum so water flow low. Pressure increase aaga time eadukkum, ..

Sprinkler system nu solluvanga, ithukku apparam tha zone control valve

Yes bro, editing mistake.

@@Thanushkumar.Mliquid or fule fire bro petrol, kerosine

Class b , liquid fire( petrol, diesel, kerosene) and gas fire B la varum, some countries la class C la irukku...

In India 🇮🇳 1. **Class A**: Fires involving ordinary combustibles such as wood, paper, cloth, rubber, and plastics. 2. **Class B**: Fires involving flammable liquids such as petrol, diesel, oil, paint, and kerosene. 3. **Class C**: Fires involving gases such as LPG (liquefied petroleum gas), CNG (compressed natural gas), and acetylene. 4. **Class D**: Fires involving combustible metals such as magnesium, aluminum, and sodium. 5. **Class E**: Fires involving electrical equipment. This category is sometimes combined with Class C in other standards but is specified separately in some Indian regulations. 6. **Class F**Fires involving cooking oils and fats, commonly referred to as Class K in some others

In USA 🇺🇸 1. **Class A**: Fires involving ordinary combustibles such as wood, paper, cloth, rubber, and plastics. 2. **Class B**: Fires involving flammable liquids and gases such as gasoline, oil, paint, and propane. 3. **Class C**: Fires involving energized electrical equipment like appliances, wiring, circuit breakers, and outlets. Once the electrical equipment is de-energized, the fire can be reclassified. 4. **Class D**: Fires involving combustible metals such as magnesium, titanium, potassium, and sodium. 5. **Class K**: Fires involving cooking oils and fats, typically found in commercial kitchen.

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Correct tha flow rate different ah irutha pressure drop la difference romba irukkathu.. Delivery line diameter ku evaluation water tha varum so pipe diameter nu pakkanum

Depends on design as per requirements, build height depend panni design pannuvanga

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Okay ma

Job title bro, details share pannuga

Fire fighting Engineer,

Have completed my BE MECHANICAL ENGINEERING,worked in India Fire Fighting Supervisor,at last fire fighting Engineer.

9789066998 this is my WhatsApp number message me

Kandippa

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I will check and update you, send your CV to 9789066998

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Sprinkler udachuthuna, zone control valve close pannanum manual ah.

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What fitting.?

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Always welcome 🤝

Curve means pump flow vs head ah

Pre action system LPG tank ku use pannuvanga, open and close sprinkler type irukkum

Oru video podalam

Video uploaded pannuran ma

Building manment systom sefly bms using ahu chill ar ahu fhu ac using conroling slety potanhio msing conrold vfd vefrbls conrol using sompoint ok gues

1. Locate the Hydrant 2.Inspect the Hydrant 3. Connect Hose 4.Open Hydrant Valve 5. Flush the Line 6. Charge the Line 7. Monitor Pressure 8.Test Hydrant Operation 9.Disconnect Hose 10. Ensure valve are closed 11. Record Information

1. Find the hydrant. 2. Check it for damage. 3. Attach a hose to it. 4. Open the hydrant valve slowly to let water flow into the hose. 5. Flush out any dirt or debris. 6. Fully open the hydrant valve to fill the hose with water. 7. Check the pressure. 8. Test the hydrant to make sure it works. 9. Disconnect the hose when finished. 10. Close all valves and secure the hydrant.

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Good question... Normal tha... Line empty la irukkum pothu, line la air irukkum, so electrical or main pump ON panni... Line la ulla air release panna pothum

Air release correct ah pannanum... Illa na air lock aayidum

Charging a fire hydrant process 1. Find the hydrant. 2. Check it for damage. 3. Attach a hose to it. 4. Open the hydrant valve slowly to let water flow into the hose. 5. Flush out any dirt or debris. 6. Fully open the hydrant valve to fill the hose with water. 7. Check the pressure. 8. Test the hydrant to make sure it works. 9. Disconnect the hose when finished. 10. Close all valves and secure the hydrant.

Neega line la water charge pannurathu kettingala illa hydrant line charge pannurathu kettingala

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Super , thank you for your valuable feedback.

Iinnoru fire pump room video irukkum athum parunga

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