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mahipal
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Join Date: Aug 2009
Posts: 2

Tip Velocity Limitations for Cast Materials

08/10/2009 11:50 PM

Hi

Is there any relation between tip velocity and material of construction while desiggning a impeller of a pump. If Yes ,please help me with the topic amd material available on the net.
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lyn
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Join Date: Oct 2008
Posts: 42355
Good Answers: 1693
#1

Re: Tip Velocity Limitations for various Cast materials

08/11/2009 3:56 AM

More information from you would have gotten a better answer from me.

Start here: www. pumps.org
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mahipal
Participant

Join Date: Aug 2009
Posts: 2
#2
In reply to #1

Re: Tip Velocity Limitations for various Cast materials

08/11/2009 7:33 AM

Hi

This is in context of Centrifugal Pump Impeller design. I have been told that Cast Iron can be used upto 680 mm Impeller diaat 1460 rpm. Similarly Bronze has the limitations.

Please guide me if it hold good or not.

Regards

Mahipal
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PWSlack
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United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
Posts: 32175
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#3
In reply to #2

Re: Tip Velocity Limitations for various Cast materials

08/11/2009 10:55 AM

<Gulp> that's some horse of a pump!

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Ried
Guru

Join Date: Dec 2005
Posts: 1602
Good Answers: 19
#4

Re: Tip Velocity Limitations for Cast Materials

08/11/2009 10:49 PM

Which pump company do you work for? If you are asking for design help, I do not want to buy pumps from your company.

If you are trying to cast a repair impeller for an existing pump, please don't. Find some way to obtain a replacement impeller from a reputable company who will back the safety of there product. Or hire an competent engineer in rotating element design to coach you and carefully advise your design approach.

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lyn (1); mahipal (1); PWSlack (1); Ried (1)

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