It is powered by compressed air, and the valve stem drives the valve core to rotate 90°C in the valve body, which can achieve a fully open-fully closed action. The product is divided into metal seal and soft seal according to its sealing performance. It has the advantages of compact structure, small size, reliable operation, good sealing performance, easy maintenance, convenient installation, and strong adaptability. It can be widely used for remote centralized control or local control in industrial automatic control systems such as petroleum, chemical, light industry, pharmacy, papermaking, and automobiles.
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