Material for anhydrous hydrogen chloride pipelines
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May I ask, for a hydrogen chloride anhydrous pipeline (DN300), is it better to use a butterfly valve or a globe valve? The valve body should be made of 304 material. Thank you
Anhydrous hydrogen chloride – a carbon steel valve will do. As for the specific type of valve, it depends on the actual requirements. If flow regulation is needed, a globe valve can be used; whereas for simply shutting off the flow, ball valves, butterfly valves, etc., are all suitable
It’s this big, so use a butterfly valve. For regulating flow, a butterfly valve can also be chosen.
For anhydrous hydrogen chloride gas, since it is a dry gas, it is non-corrosive; therefore, pipes and valves made of carbon steel are sufficient. As for the type of valve, given the large diameter of the pipes, butterfly valves are recommended
If it’s stainless steel, it should work as well; the owner has this requirement
As long as it’s not 304 stainless steel, any other type is fine; 304 is prone to intergranular corrosion caused by chloride ions