‹› Image Viper® Select Gallonage Nozzle Markets Fire Protection Product Options Hide lower priority columns Part Number All DSG3012FDSG1560SDSG1560FDSG3012SSize All 1 1-2"1-1/2"Thread All NSTNPSHMaterial All Aluminium DSG3012F 1 1-2" NST Aluminium DSG1560S 1-1/2" NPSH Aluminium DSG1560F 1-1/2" NST Aluminium DSG3012S 1-1/2" NPSH Aluminium