3/16 Outside Diameter x Outside Diameter Needle Valve with 20228The 3 16 Outside Diameter x Outside Diameter Needle Valve with 20228 is a precision flow control valve designed to regulate the flow of liquids or gases through small diameter tubing. The needle valve's fine threaded stem allows for precise control over the flow rate, making it ideal for applications requiring accuracy and minimal leakage. Specification Details TYPE Outside Diameter Needle Valve with 20228 DESIGN Tapered Needle Mechanism for accurate