Check Valves
National Hose & Accessory – Check Valves for Reliable Backflow Prevention
National Hose & Accessory supplies check valves engineered to prevent reverse flow and protect pumps, compressors, and process systems from damage. Operating automatically, these self-acting valves maintain directional flow integrity and system safety across a wide range of fluid applications.
Our inventory includes swing check, dual-plate, piston, and spring-loaded designs, available in carbon steel, stainless steel, and bronze. Built for durability and minimal maintenance, our check valves are trusted in cooling systems, compressed air lines, and high-pressure oil & gas operations.
With local inventory in Pasadena and distribution throughout the Houston Gulf Coast region, we provide same-day access and expert technical support.
Value Added Advantage:
Automatic backflow prevention for fluid and gas systems
Multiple designs for diverse industrial applications
Long-lasting performance with low maintenance requirements
Expert selection assistance for flow and pressure conditions
Rely on National Hose & Accessory—your Houston partner for check valves that protect system integrity and ensure safe, efficient operation.




























