Fluorinated lining valves
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I would like to ask fellow sailors: which brands of fluorinated-lined valves are suitable for use in strongly acidic media? The pH level of the medium is 2-3, and imported valves are not considered. Thank you.
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Are fluorinated-lined valves more effective than valves with specially welded materials?
Medium, temperature, diameter. Which type of valve?
What is the performance and price difference between valves lined with materials such as PTFE and those with an internal surfacing of S31803? Are they suitable for use with crude oil and oil field wastewater?
I’ve never compared them; crude oil isn’t really used that often, but it’s useful for wastewater treatment.
Our company makes extensive use of valves with an internal surfacing made of S31803. If the lining is made of a non-metallic material, the cost can be significantly reduced, and we would like to give that option a try as well
Don’t be too optimistic about the costs; it might even be more expensive than traditional 4A types. Moreover, there are limits on pressure, temperature, and medium particles, so using reinjected water or internal surfacing is a more reliable approach