Restraint Service: May be installed as part of a branch line seismic restraint assembly per the requirements of NFPA 13. The surge restrainer is intended to be installed with Anvil’s Figure 69 Swivel Ring Hanger.
Features:- One universal size accommodates Figure 69 sizes 3/4" through 2".
- Simple design allows for quick installation on existing sprinkler systems.
Installation Instructions:- Install hanger rod or restraint rod a minimum of 1/2" beyond the bottom of the Figure 69 knurl nut.
- Snap surge restrainer onto the threaded rod above and below the knurl nut.
- The gap between the surge restrainer and service pipe shall not exceed 1/8".
- Fire Protection applications shall also be installed per the requirements of NFPA 13.
Ordering: Specify figure number, and description.