hunter_catalog_dom

TECHNICAL INFORMATION
FRICTION LOSS CHARTS
TABLE OF APPROXIMATE PRESSURE LOSSES FOR PIPE FITTINGS
Steel Fitting Type ½" ¾" 1" 1¼" 1½" 2" 2½" 3" 4" 6" 8"
Coupling 0.6 0.8 1 1.2 1.5 2 2.5 3 4 6 8
Run of St. Tee 1 1 1.5 2 2 2.5 3 4 5 7 10
Tee, Side Outlet 3 4.5 5 7 9 11 13 16 20 31 42
Tee, Run Reduced ½" 1.5 2.5 3 4 5 6 7 8 12 16 20
Elbow, 90° 1.5 2.5 3 4 5 6 7 8 12 16 20
Elbow, 45° 0.75 1 1.3 1.7 2 2.5 3 3.5 5 7. 5 10
Corporation Stop 9 9 9 9 9 9
Curb Stop 6 6 7 7 8 8
15
32'
14
Plastic IPS or
28'
½" ¾" 1" 1¼" 1½" 2" 2½" 3" 4" 6"
Copper Fitting Type
13
24'
8"
Coupling
Run of St. Tee
Tee, Side Outlet
Tee, Run Reduced ½"
Elbow, 90°
Elbow, 34°
1.5
2.5
7. 0
3.5
3.5
1.5
2.5
3.0
9.0
4.5
4.5
2.0
3.0
4.0
12.0
6.0
6.0
3.0
3.0
5.0
15.0
8.0
8.0
3.5
4.0 12
6.0 11
18.0 10
9.09
9.08
4.07
6.0
8.0
24.0
11.0
11.0
5.0
7. 0
9.0
30.0
14.0
14.0
7. 0
8.0
11.0
36.0
17.0
17.0
8.0
11.0
15.0
45.0
24.0
24.0
10.0
20' 18.0
21.0
16'
70.0
12' 34.0
8' 34.0
16.0
24.0
28.0
90.0
45.0
45.0
20.0
4'
6
To use this chart, multiply the approximate “equivalent feet of pipe” value by the proper pipe pressure loss per 100 ft. rating, then
divide by 100. The result is the fitting loss in PSI.
Notes:
5
4
It is recommended that the above chart be used only when the manufacturers 3 recommended pressure loss values are not available.
3 4 5 6 7 8 9 10 11 12 13 14 15
Gallons Per Minute
Loss in PSI
Factory Setting
Check Height Setting in Feet
ACCESSORY PRESSURE LOSS CHARTS
TECHNICAL
HCV PRESSURE LOSS CHART
Loss in PSI
15
32'
14
28'
13
24'
12
20'
11
16'
10
9
12'
8
8'
7
4'
6
5
4
3
3 4 5 6 7 8 9 10 11 12 13 14 15
Gallons Per Minute
Factory Setting
Check Height Setting in Feet
SWING JOINT FRICTION LOSS
Loss in PSI
16
14
12
10
8
6
4
2
0
0 1 2 3 4 5 6 7 8 9 10
Flow in GPM
166
16
14
12