Knox Box FDC Lock 2 1/2" NH/NST Male Locking Cap (Swivel-Guard) Maximum PSI_200 psi then the low range fog

then the low range fog pattern

CPVC and ABS pipe

Elbows is used on pump discharge valves or suction inlets to minimize hose kinking

Global type "E" Stainless Steel 1 inch male camlock (Cam & Groove) coupler to 1 inch hose shank

Knox Box FDC Lock 2 1/2" NH/NST Male Locking Cap (Swivel-Guard) Maximum PSI_200 psi then the low range fogKnox FDC Locks protect fire department connections (FDCs), keeping pipes clean of debris to ensure the delivery of high pressure water flow to fire sprinkler systems. Swivel Guard versions also enhance security against vandalism. Operated with Knox Keywrench. Ensures ready and reliable connections to fire sprinkler systems FDC Swivel Guard brings added protection against vandalism Protects check valves from freezing in cold climate areas Eliminates