Page 18 - Tyco-Grooved-Fire-Protection-Products-Installation-Handbook
P. 18

 Gasket Specifications 2 of 3
              Plain End: This gasket is designed for use on Plain End fittings and used with the GRINNELL 909 Plain End Couplings.
                                      Outlet: The Outlet Coupling gasket is designed to fit into the coupling housing and, once the outlet locating collar is in place, forms a protective seal around the cut opening of the pipe. This gasket is specifically used with Figure 522 Sprinkler Outlet coupling. The gasket is available in Grade ā€œEā€ EPDM.

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