773 Surge Restrainer

Size Range: 3/4" thru 2" Swivel Ring Hanger, Figure 69

Material: Carbon steel

Finish: Zinc Plated (Hot-Dip Galvanized optional)

Service: Designed to be used with Anvil Figure 69, Adjustable Swivel Ring Hanger, for bracing steel service pipe against up thrust during a seismic disturbance or sprinkler head activation.

Approvals: UL and ULC Listed (UL 203A:2009). Complies with seismic bracing requirements of NFPA-13.

Features:

• One universal size accommodates ring hangers from 3/4" to 2".
• Quick and simple to install by just snapping the surge restrainer into a locking position onto the ring hanger.

Installation Instructions:

1. The threaded hanger rod must protrude a minimum of 1/2" beyond the bottom of the knurl nut.
2. Snap the surge restrainer onto the threaded rod above and below the knurl nut.
3. When in the proper locking position, the maximum gap between the surge restrainer and the steel service pipe is an 1/8".