PVC Corrosion-Resistant Check Valve

RedFlag Products Check Valves are the highest quality and best made check valves available and can fit any application. Rigorously tested for durability, this comprehensive line of products provides reliable back-flow prevention during regular back-washing, unplanned power outages, or other water system related events, and will not burden your system with inline flow restriction like other, similar check valves.

Rigorous stress testing and a highly consistent manufacturing process provide reliability and years of issue-free, outstanding performance.  Our Flapper Check Valves are manufactured with 100% virgin PVC resin and utilize the RedFlag Products high-quality injection molding process.  Great for long term and high-stress installations where durability is required.

Industries: Aquarium, commercial plumbing, drainage, fluid handling, fountain, graywater harvesting, hydroponics, industrial & scientific, irrigation, lawn & garden, pond, pool, ranch, residential plumbing, spa, sprinkler, rainwater harvesting, water tank

• Completely corrosion-resistant
• Reliable back-flow prevention protects your water system
• Near-silent operation – One of the industry’s quietest check valves
• Spring-loaded flapper opens with 1/2-lb. of pressure
• Available with either Hastelloy or Stainless Steel spring
• Full-flow valve
• An industry favorite due to added durability, thick walls, and high-quality materials
• Glues directly onto pipe with standard PVC glue
• Virgin, high-quality material is used throughout the valve
• Gasket made from 100% Silicone and never requires lubrication
• All component parts serviceable / replaceable
• Clear, removable lid for easy service and maintenance

Commonly Asked Questions

More info coming soon!