8″ Nibco F-938-31 150# DI Flanged Horizontal Swing Check Valve Bronze Trim Rated 250 PSI (DS Special Order Item) 8" Nibco F-938-31 150# DI Flanged Horizontal Swing Check Valve Bronze Trim Rated 250 PSI (DS Special Order Item) quantity Add to cart Add to quote SKU: 198131 Category: Uncategorized Additional information Additional information manufacturer NIBCO