2″ Nibco F-637-33 Ductile Iron 150# OS&Y Gate Valve W/316 S.S. Trim – Flanged (Made To Order Item) 2" Nibco F-637-33 Ductile Iron 150# OS&Y Gate Valve W/316 S.S. Trim - Flanged (Made To Order Item) quantity Add to cart Add to quote SKU: 155734 Category: Uncategorized Additional information Additional information manufacturer NIBCO