2-1/2 in. (63.5 mm) Globe Pipe Hanger Swivel Ring is designed for the suspension of non-insulated stationary pipelines in fire sprinkler systems, standpipes, plumbing, and other piping applications. Each 2-1/2 in. (63.5 mm) Swivel Ring features a zinc electroplate nut that allows for vertical adjustment after installation. In accordance with NFPA 13 18.104.22.168 (2016), hangers for fire protection piping must be rated for 5 times the weight of water-filled pipe plus 250 pounds at each support. This swivel ring may be installed prior to the erection of piping.