Ingersol Rand ARO 400-A Limit Valve, Three-Way, 150 psi, 1/8 npt, 7.5 cfm 2F919 Posted on July 5, 2025 by admin Ingersol Rand ARO 400-A Limit Valve, Three-Way, 150 psi, 1/8 npt, 7.5 cfm 2F919. Brand new, no box, light surface rust on screws. See photos for details. What you see is what you get! Share