The AIRman B2400-B83 is a heavy-duty quick-release valve with a 19/50" NPT connection, designed for suspension dump and lift axle applications. Engineered for rapid air exhaust, this valve provides a quick response for air spring systems, ensuring reliable and efficient performance. Width: 2” Height: 2” Thickness: 1.3” Cross-Reference: Norgren T70A3800, Sealco 51025001-00, Silent Drive 1814-000-A, Automann 170.QR3801A, AK00026N, 223-681, QR3 Application: Suspension Dump, Lift Axle