Knox Box FDC Lock 1 1/2" Male NH/NST Locking Cap Model:3190 (9.0 TPI x 1.990 OD) Type "C" brass 2 inch

Type "C" brass 2 inch female camlock (Cam & Groove) coupler to 2 inch hose shank

Global brass Straight gate valve 2 1/2 inch female NPT to 2 1/2 inch female NPT threading is ideal for wet and combination systems as well as fire hose rack assembly

preventing unauthorized removal of FDC locking caps

High pressure type "B" aluminum 2 1/2 inch female camlock (Cam & Groove) coupler to 2 1/2 inch male NH threads

Should also be used when flushing hydrants or other water systems to protect the inner liner of the discharge hose from water pressure or debris damage

Knox Box FDC Lock 1 1/2" Male NH/NST Locking Cap Model:3190 (9.0 TPI x 1.990 OD) Type "C" brass 2 inchKnox 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. The Knox FDC Lock is available in 1 1 2" configuration and is operated with a Knox FDC wrench controlled by the Fire Department. Ensures ready and reliable connections to fire sprinkler systems Protects check valves from freezing in cold climate areas Eliminates costly services to back