Needle valve is a small valve used for flow control and for dosing liquids and gases. Resistance to flow is precisely controlled by a relatively large seat area and the adjustment afforded by fine threading of the stem.
Photos
[jdpostimage imagesrc=”https://www.pipingengineer.org/wp-content/uploads/needle-valve-01.jpg” imagecaption=”Needle Valve”][jdpostimage imagesrc=”https://www.pipingengineer.org/wp-content/uploads/needle-valve-02.jpg” imagecaption=”Needle Valve”]
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