‹› Image Blue Devil Select Gallonage Nozzle Markets Fire Protection Product Options Hide lower priority columns Part Number All DBD550FDBD550SDBD1560FDBD1560SSize All 1"Thread All NSTNPSHMaterial All Aluminium DBD550F 1" NST Aluminium DBD550S 1" NPSH Aluminium DBD1560F 1" NST Aluminium DBD1560S 1" NPSH Aluminium