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  • Users: siva9
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  1. siva9

    Question about connection pipe to pump suction

    Hi BigInch, Thank you very much for the immediate response and help. I am an electrical engineer knowing little about pumps and pipe connection. can you please send me details how to select a pump for a closed system. My application is to pump the transformer oil from tank to heatexchangers...
  2. siva9

    Question about connection pipe to pump suction

    BigInch, Thank you very much for the response and web link. can you please tell me where do i need to use the expander from 1" to 2 1/2" - tank or pump? Thanks in advance, Best regards, siva.
  3. siva9

    Question about connection pipe to pump suction

    MJCronin, Thank you very much for the immediate response. the pumped media is transformer oil.I donot think the head is a problem - the tank height(suction head) is 4m and our pump sits on the same plinth next to the tank. We cannot do any modifications to the tank we have to use the existing...
  4. siva9

    Question about connection pipe to pump suction

    Dear all, can anyone please help me on the following? I have to connect a pump with 2 1/2" suction size to an oil tank with an outlet pipe of 1" size.what will be effect of this connection on the total system in terms of pump performance, pressure, oil flow or any other problems. as per the...
  5. siva9

    Transformer forced cooling

    Hi 7anoter4, Thank you very much for the response. this helps alot. Best regards, siva9
  6. siva9

    Transformer forced cooling

    Thankyou very much for the response. Can you please tell me how to select the type of cooling for the power transformers? what factor will decide the switching of cooling between fans,pumps and heat exchangers? Thanks in advance. Siva9
  7. siva9

    Transformer forced cooling

    Hello everybody, Can anyone help me on the following power transformers forced cooling questions - 1.how to calculate the rating of oil circulating pump for a power transformer? are there any guidelines for the transformer oil flow? 2.How to calculate the watts dissipated by a oil to air heat...

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