Page 16 - Tyco-Grooved-Fire-Protection-Products-Installation-Handbook

14 GENERAL INFORMATION
Grinnell Grooved Fittings - Pressure Loss
Friction Resistancea (Expressed as Equivalent Straight Pipe)
Nominal Size ANSI Inches DN
O.D. Inches (mm)
Elbow
Tee
90° Feet (Meters)
45° Feet (Meters)
Branch Feet (Meters)
Run
Feet (Meters)
1-1/4
32
1.60 (42,4)
1.9 (0,6)
1.0 (0,3)
4.8 (1,5)
1.9 (0,6)
1-1/2
40
1.90 (48,3)
2.3 (0,7)
1.2 (0,4)
5.8 (1,8)
2.3 (0,7)
2
50
2.38 (60,3)
3.2 (1,0)
1.6 (0,5)
8.0 (2,5)
3.2 (1,0)
2-1/2
65
2.88 (73,0)
3.9 (1,2)
2.0 (0,6)
9.8 (3,0)
3.9 (1,2)
—
65
3.00 (76,1)
4.1 (1,2)
2.1 (0,6)
10.3 (3,1)
4.1 (1,2)
3
80
3.50 (88,9)
4.9 (1,5)
2.4 (0,7)
12.2 (3,7)
4.9 (1,5)
—
100
4.25 (108,0)
6.5 (2,0)
3.3 (1,0)
16.3 (5,0)
6.5 (2,0)
4
100
4.50 (114,3)
6.5 (2,0)
3.3 (1,0)
16.3 (5,0)
6.5 (2,0)
—
125
5.25 (133,0)
8.0 (2,4)
4.0 (1,2)
20.0 (6,1)
8.0 (2,4)
—
125
5.50 (139,7)
8.0 (2,4)
4.1 (1,3)
20.0 (6,1)
8.0 (2,4)
5
125
5.56 (141,3)
8.2 (2,5)
4.1 (1,3)
20.5 (6,3)
8.2 (2,5)
—
150
6.25 (159,0)
9.5 (2,9)
4.8 (1,4)
23.8 (7,2)
9.5 (2,9)
—
150
6.50 (165,1)
9.5 (2,9)
4.8 (1,4)
23.8 (7,2)
9.5 (2,9)
6
150
6.63 (168,3)
9.9 (3,0)
5.0 (1,5)
24.8 (7,6)
9.9 (3,0)
—
200
8.50 (216,3)
13.1 (4,0)
6.6 (2,0)
32.8 (10,0)
13.1 (4,0)
8
200
8.63 (219,1)
13.1 (4,0)
6.6 (2,0)
32.8 (10,0)
13.1 (4,0)
10
250
10.75 (273,0)
16.5 (5,0)
8.3 (2,5)
41.3 (12,6)
16.5 (5,0)
12
300
12.75 (323,9)
19.9 (6,1)
9.9 (3,0)
49.7 (15,1)
19.9 (6,1)
a. Friction resistance for all elbows and tees except Figures 510S and 519S.
• For reducing tees and branches, use the value that is corresponding to the branch size.
Example: for 8” x 8” x 2” tee, the branch value 2” is 8.0 feet.