Knox Box FDC Lock 2 1/2" NH/NST Male Locking Cap Inlet Size_2 Inch open and close gas valves

open and close gas valves

Type "DD" spool stainless steel 3 inch female camlock (Cam & Groove) coupler to 3 inch female camlock (Cam & Groove)

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

Enables a firefighter to grab a fold of hose

Knox Box FDC Lock 2 1/2" NH/NST Male Locking Cap Inlet Size_2 Inch open and close gas valvesThe 3110 model with 2" NH threads (7. 5 TPI x 3. 068 OD) is the most widely used configuration however, thread patterns and sizes vary by jurisdiction, so always verify the correct specifications with your local fire department before ordering. Knox 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 2 1 2"