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ASTM A518

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Faisal1984

Chemical
May 11, 2010
2
Gentlemen,

I am in the process of performing rough engineering calculations for the design of a sump pump system.
The process fluid is 10% HCL with abbrasive particles of about 10% by weight , the system temperature is about 50 degrees celsius. I did a little research and arrived at the the conclusion that ASTM A518 Gr 2 had the most acceptable rates of corrosion for this type of environment. I would like to go one step further and suggest the type of material specification for the pump impeller, cartridge , casing , bearings for this type of servive . I would much appraciate if you could help me out here.

Cheers
 
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Not sure if a metal casing and impeller is really the best choice for HCl. What about plastic or a coating? I would contact a company like Wernert ( and ask them for a quote with material specification.
 
Thanks , unfortunately I have to present this as a presentation for a job interview

I dont think the pump vendor would care much as I am representing myself (Not BP, Aramco , Shell etc) and $$$ are not involved here. I only have the great minds of this fabulous website to help me on my conquest of this somewhat open ended problem.
 
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