pump control valve for high acidity

[pumpmann]

hello folks
for high acidity flow media ( high sulfuric acid content) what are the options for hydraulic operated pump control valves and surge anticipating valves?
who are manufacturers of suitable valves or alternative arrangements?

many thanks

 

[pierreick]

Hi,
You may want to talk to these guys in China

How to Select Chemical Valves Under Corrosive Media Conditions? - COVNA

For valves under corrosive medium conditions, anti-corrosion is the most critical part of chemical equipment. If the metal materials of chemical valves

www.covna-group.com

All big vendors should help you. let say Emerson and others.
Note: a better description of the chemicals within the solution will help us and you to get an effective support.
Use your favorite search engine, key words: control valve fluoro material
Pierre

 

[KevinNZ]

98% sulfuric acid is OK to work with until you add some water. Then you could need some very exotic materials. We have applications that require Tantalum pipe spools at the point water is added. You do need to define the pH range of your acid.

 

[pierreick]

"You do need to define the pH range of your acid"
Wow!
Pierre