5" Storz Lock Cap & 4" NPT 30° Elbow Gasket Adapter Kit Material_Brass Because every Knox FDC Wrench

Because every Knox FDC Wrench operates every Knox locking cap in every jurisdiction nationwide

Global type "D" High Pressure aluminum 2 inch female camlock (Cam & Groove) coupler to 2 inch female NPT threads

Global type "D" brass 2 inch female camlock (Cam & Groove) coupler to 2 inch female NPT threads

Storz suction gaskets are thicker than storz pressure gaskets to prevent air from entering during suction hose applications

5" Storz Lock Cap & 4" NPT 30° Elbow Gasket Adapter Kit Material_Brass Because every Knox FDC WrenchThe 5" Knox Storz Lock is operated with a Knox FDC Wrench controlled by the Fire Department. To ensure the Knox Storz Lock properly fits, the Knox Company strongly encourages the use of connections that meet the adapter specifications. The Knox Storz Lock protects large diameter Fire Department connections (FDC) from accidental damage, vandalism and physical attack. Since the locking cap holds water pressure, it can be installed on hydrants. The Knox