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Male to Female Stainless Steel 304 Adjustable Needle Valves are typically used for sealing gas or liquid media with little flow and high pressure (such as steam, oil). These valves have good sealing performance. The internal thread needle globe valve has a long service life and good sealing performance. Only by replacing the wearing elements can it be used even if the sealing surface is broken. It serves as a connecting valve in power plants, oil refineries, chemical plants, and pipelines used for instrument measurement.