Title: Tørrsprinkler.pdf
malleable or ductile iron threaded tee fittings that meet the dimen- sional requirements of ANSI B16.3 (Class 150)cast iron threaded tee fittings that meet the dimensional requirements of ANSI B16.4 (Class 125) Do not install Series DS-1 Dry-type Sprinklers into elbow fittings. The Inlet of the sprinkler can contact the interior of the elbow.cast iron threaded tee fittings that meet the dimensional requirements of ANSI B16.4 (Class 125) Do not install Series DS-1 Dry-type Sprinklers into elbow fittings. The Inlet of the sprinkler can contact the interior of the elbow.The unused outlet of the threaded tee is plugged as shown in Figure 12.Temperatures for Heated Area(1)40°F (4°C)50°F (10°C)60°F (16°C)Minimum Exposed Barrel Length(2), in. (mm)40°F (4°C)00030°F (-1°C)00020°F (-7°C)4 (100)0010°F (-12°C)8 (200)1 (25)00°F (-18°C)12 (305)3 (75)010°F (-23°C)14 (355)4 (100)1 (25)20°F (-29°C)14 (355)6 (150)3 (75)30°F (-34°C)16 (405)8 (200)