The AIRman B2400-B43 is a specialized 3-port, 2-position push-pull dump valve designed for single-acting cylinders and suspension dump applications. This durable valve features a 1/4" NPT connection. Built with a rugged aluminum body and tested for millions of cycles, it provides reliable, long-term performance in the most demanding environments. Width: 1.8” Height: 5.4” Thickness: 1” Cross-Reference: Watson & Chalin 11861-03, Dragon 243-4007, RG Group TD-4200, Automann 170.1186103 Application: Single Acting Cylinder, Suspension Dump Lifecycle: 350k -3M+ cycles depending on the application (min 10x worst case life) Temperature: -40C -180C -60 hour cycle Salt Spray: ASTM B-117-97 -5 -10 days Vibration: Resonance frequency - 1 M cycles @ 5Gs Vibration Step: Temp and cycle sweep up to 50 Gs Chemical Resistance: 48 hr Methanol assembly soak followed by 300k cycle; Additional direct seal soak -1 week Sludge: 350k cycles impingement, water and diesel oil mix Dust: ISO 12013 Arizona road dust