Laserfiche WebLink
Numerous common methods are used to brace Fire Sprinkler Pipe. A few <br />acceptable methods include: use of a standard band hanger by positioning <br />the threaded support rod to 1/16-inch above the pipe (however, it is important <br />that the rod does not contact the pipe), a wrap around U-hanger, a special <br />escutcheon which prevents upward movement of the sprinkler through the <br />ceiling or bend hangers with Surge Restraints to provide surge protection for <br />the system. <br />Pipe hangers are available that are tested and UL Listed for fire sprinkler <br />service. These hangers comply with NFPA 13 requirements for use with <br />CPVC fire sprinkler piping systems. The following illustrations depict several <br />ofthese. <br />Band Hanger - designed to support CPVC piping systems when used in <br />conjunction with a hanging steel threaded rod that is suspended from a ceiling <br />or other flat, horizontal surface. The threaded rod must be leveled properly <br />before installing the hanger and restraint. <br />--''� <br />Surge Restraint - when installed with the Sand Hanger, as shown below, <br />provides surge protection for the system. <br />One le Wrap -Around Stap piping <br />position,only when the hanger tab is in the vertical <br />hangerfastener is in the horizontal position. The one -hole strap can be used as a pipe <br />restrainer when the used as a hanger to hold any weight of the system. In d • <br />pipingstrap can be used as a system guide when the system lies on <br />d • is not <br />underintended to support the CPVC piping system from <br />two-holeflat, horizontal surface. For this application, install <br />Guide <br />Us -If t <br />Hanger <br />Page 40 a 2010 Spears" Manufacturing Company FG-3-1010 <br />