Add to Cart Quick view SALE National Diversified Sales Inc Check Valve, Flo Control, Spring, 2"s, 1/2 lb, True Union $93.95 $79.95 This True Union Spring Check Valve is made of Clear PVC Type 1 Materials. The valve has a clear body and a pressure rating of 200 PSI. Documents FLC-56-4088-tech.pdf (TechInfo) Feature Bullets Rated @200 PSI Static... Add to Cart Add to Wishlist