Used in a variety of flow test equipment. The bottom port is known as the common port. The standard handle has a 360° rotation and lies over the open port. When the handle is rotated 90° from either port, flow is shut off to both ports. Download Spec SheetTabsPart Table Part Number Size Finish PITOTBLEED3 ¼" F NPT x ¼" F NPT x ¼" M NPT Brass