Do the valves for the desulfurization fluid require special materials?
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The fluid is desulfurization liquid; the ball valve body is made of 304 material, while the internal components are made of 316 material. Are there any other parts that require special materials?
Gasketed valves are generally used for desulfurization.
Use a butterfly valve with a cast-iron valve body, a valve disc made of 1.4529 material, and an EPDM seat; flange connection is sufficient