The Hadley Height Control Valve with Integral Dump Valve is the perfect solution for any application requiring precise control of fluid flow. This valve features a universal design that allows it to fit most applications, including most performance configurations. The model rate flow rate provides a perfect balance of reliability and repeatability, while the superior lubricants with proven and consistent lubrication protect the valve from wear and tear. The O-ring seal integrity is proven throughout the life of the valve, ensuring a tight seal and reliable performance. FleetPride is your First Click in Heavy Duty®.