kennametal sn156 ap 50mm long venturi nozzleThe SN156 AP is a long venturi blast nozzle with BP200 SiAlON liner, full polyurethane jacket and polyurethane thread. Within the SN156 series, this is the most economical version. Thanks to the low weight of SiAlON, this nozzle is lighter to handle than a comparable tungsten carbide blast nozzle, while the long venturi bore provides high blasting productivity. This blast nozzle is designed for use with a blast hose with a 1" internal diameter and is