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Anonymous Poster

Glycol Pump

01/19/2010 4:22 PM

Can anyone advise as to what shaft material is best in a low energy, low pressure centrifugal glycol circulating pump? I am leaning toward 4140. Any thoughts?
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bhrescobar
Guru
Brazil - Member - New Member Engineering Fields - Mechanical Engineering - New Member Hobbies - RC Aircraft - New Member Hobbies - Target Shooting - New Member Hobbies - Automotive Performance - Hey there... interested in exchanging information about car performance? Hobbies - DIY Welding - New Member

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#1

Re: Glycol Pump

01/19/2010 6:10 PM

Glycol is not a product that requires a special resistant material. Carbon steel would do great. 4140 is a high strengh one. 4330, 4340, 4130, they all do great in theyr jobs. But, are you sure you need such a high strengh material? Maybe a good cold rolled 1045 could do it. Or even a 1020, assuming that the pump needs not to take-off so weight X strengh is not an issue. Maybe you will discover that you need bearings whith internal diameters that fit just a low carbon steel like those when you do the calculations.

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Anonymous Poster
#2

Re: Glycol Pump

02/22/2010 3:55 AM

well i prefer you to go for CS or 316 SS they are much suitable for the service as said by you..
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