Title: TFP510_06_2015.pdf
cast iron threaded tee fittings that meet the dimensional requirements of ANSI B16.4 (Class 125) Do not install the DS-1 Sprinklers into an elbow fittings. The Inlet of the sprinkler can contact the interior of the elbow, potentially damaging the Inlet seal.cast iron threaded tee fittings that meet the dimensional requirements of ANSI B16.4 (Class 125) Do not install the DS-1 Sprinklers into an elbow fittings. The Inlet of the sprinkler can contact the interior of the elbow, potentially damaging the Inlet seal.The unused outlet of the threaded tee is plugged as shown in Figure 13.You can also install the Series DS-1 Dry-Type Sprinklers in the 3/4 or 1 inch NPT outlet of a GRINNELL Figure 730 Mechanical Tee. However, the use of the Figure 730 Tee for this arrangement is limited to wet pipe systems.TFP510 Page 3 of 103/4 Inch NPTTY3935 Pendentwith Recessed Escutcheon (Figure 4)TY3935 Pendentwith Standard Escutcheon (Figure 3)with Deep Escutcheon (Figure 5)