Designed for the suspension of non-insulated stationary pipe lines. The insert nut allows a vertical adjustment after installation, is tapped to NFPA reduced rod size standards. SD-HBF has a layer of felt which separates the pipe from the hanger to reduce vibration and sound.
Underwriters’ Laboratories listed and Factory Mutual approved ¾˝ to 8˝ sizes. Complies with Federal Specification WW-H-171E & A-A-1192 (Type 10), and Manufacturers’ Standardization Society MSS SP-69 & SP-58 (Type 10).