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The pneumatic wafer metal hard seal control valve is equipped with a U-pattern stainless steel sealing ring, designed to ensure high-performance sealing and durability. The sealing ring interacts with a three-eccentric disc, with the polished sealing surface separating from the disc when the valve is open and making contact to achieve a tight seal when closed.

This valve is widely used for flow control or medium cut-off in industries such as petroleum, electricity, and metallurgy. Its robust construction, long service life, and reliable sealing capabilities make it an essential component for managing challenging operating conditions and ensuring efficient system performance.