Prepare your semi truck to be Ready for the Road Ahead™, with the Power Products 1" Brass Ball Valve that provides enhanced fluid control. To regulate the flow of water, fuel, air, and other fluids in numerous types of systems, this replacement valve uses a sophisticated design that pairs with numerous types of systems. Built with rugged materials to contain or release high-pressure fluids that have been checked by a gauge. FleetPride is your First Click in Heavy Duty®.