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Artisi, Thank you for your comment.

pierreuck and swazimatt, thank you for your kind responses. I am going to switch to another vendor where I can find more options,

pierreik, thank you for your kind response and support. 80-250 appears to work. But it would be working too far away from its BEP. Don't you think so? Please see the attached image.https://files.engineering.com/getfile.aspx?folder=46aab44a-dce0-442d-88a3-6c03e0333f63&file=Untitled.jpg

Dear Pierreik and LittleInch, apologies for my poor explanation. Yes, the 105 m is the TDH. Pierreik, which booklet you are referring to? I would appreciate it if you can provide a link.

Pierreick, The information in brackets (Q = 75.6 m3/hr, H = 105 m) is my system operating point.

As a follow-up to my previous post, the pump is supposed to be installed in a pumping station and transport water for water supply.

Dear shvet, I used the KSB Easy Select tool using the link you provided. However, when I entered my required Q = 75.6 m3/hr and H = 105 m, the tool didn't select any of the products for me. I looked at the performance curves available in the catalog, I could not find any of the pumps with a...

Pierreick and GD2, thank you so much for your support.

pierreick, thank you so much. I will take a look.

shvet, thak you so much for your kind response. I will take a look and let you know how it goes.

Dear LittleInch, I did not mean to write an email. The analysis I did revealed that I will need a pump that can supply a flow rate of Q = 21 liters/sec at a pressure head H = 105 m. Now I need to select a pump that can give me the required conditions mentioned. I plan to select a pump from KSB...

Dear All, I need to pump 21 L/s at 105 m of head into a water network. The pump I plan to purchase is going to be from KSB. Can you please help select a suitable pump based on the design values I mentioned? Kind regards,

Dear fel3, Thank you so much for sharing the document. It is super useful.

Hi JStephen, Thank you so much. This looks to have the answer. Unfortunately, I don't have access to the document.

Dear fel3, I sincerely appreciate the time you dedicated to providing me with such a thorough response. Your insights have proven to be immensely valuable and have greatly aided me in my current situation. Thank you for your invaluable assistance. Warm wishes,

Dear bimr, thank you for your kind response. Dear fel3, this is exactly the approach I have used before. The only difference is that I used 100 mm pipes, so I came up with a larger number of pipes. Your response has boosted my confidence in the validity of my approach. Thank you.

LittleInch, thank you for your help posting the tank dimensions and material type.

Dear fel3, the storage tanks I am working on are reinforced concrete tanks. I would appreciate it if you could refer me to any AWWA guidelines for concrete storage tanks.

Dear LittleInch, I have a 50 cm of freeboard maintained above the water surface.

LittleInch, I am also thinking the same way. However, I have seen similar tanks with many vents coming out of the roof. Thank you for your comment.