The Prima Brake 1/4" NPTF 150 psi Safety Valve is the perfect choice for any brake system. This high quality safety valve is made of premium quality materials for durability and long life. It features corrosion-resistant construction and optimum high flow discharge rates. This valve is designed to provide reliable performance and safety in any brake system. With its superior construction and reliable performance, it is the perfect choice for any brake system. FleetPride is your First Click in Heavy Duty®.