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ARIMITSU 511 Información sobre instalación y puesta en marcha
Determining
Pump RPM
Determining
Required HP
Determining
Motor Pulley OD
Motor Pulley Size
RESISTANCE OF VALVES AND FITTINGS
Equivalent Length of Standard Pipe in Feet
Nominal
Pipe
Inside
Size
Diameter
Gate
Globe
Inches
Inches
Valve
Valve
1/2
0.622
0.41
18.5
3/4
0.824
0.54
24.5
1
1.049
0.69
31.2
1-1/4
1.380
0.90
41.0
1-1/2
1.610
1.05
48.0
2
2.067
1.35
61.5
2-1/2
2.469
1.62
73.5
3
3.068
2.01
91.5
4
4.026
2.64
120.0
Arriving at a total line pressure loss, consideration should then be given to pressure
loss created by valves, fitting and elevation of lines.
If a sufficient number of valve and fitting are incorporated in the system to materially
affect the total line loss, add to the total line length, the equivalent length of line of
each valve or fitting.
NOZZLE VOLUME (GPM) AT VARIOUS PRESSURES (PSI)
Nozzle
Orifice
100
500
Size
Dia.
PSI
PSI
2
.034
.32
.71
2.5
.039
.40
.88
3
.043
.47
1.06
3.5
.048
.55
1.24
4
.052
.63
1.41
4.5
.055
.71
1.59
5
.057
.79
1.77
5.5
0.60
.87
1.94
6
.062
.95
2.12
6.5
.064
1.03
2.30
7
.067
1.11
2.47
7.5
.070
1.19
2.65
8
.072
1.26
2.83
8.5
0.74
1.34
3.01
9
.076
1.42
3.18
9.5
0.78
1.50
3.36
10
0.80
1.58
3.54
11
0.83
1.74
3.89
12
0.87
1.90
4.24
12.5
.089
1.98
4.42
13
.091
2.06
4.60
14
.093
2.21
4.95
15
.096
2.37
5.30
20
.109
3.16
7.07
25
.125
3.95
8.84
30
.141
4.74
10.61
40
.156
6.32
14.14
50
.172
7.91
17.68
60
.188
9.49
21.21
HELPFUL FORMULAS AND REFERENCE CHARTS
Rated GPM
"Desired" GPM
=
Rated RPM
"Desired" RPM
GPM x PSI
Electric Brake
=
H.P. Required
1460
Pump Pulley OD
=
Pump RPM
180˚
Angle
45˚
90˚
Close
Valve
Elbow
Elbow
Ret
9.3
0.78
1.67
3.71
12.3
1.03
2.21
4.90
15.6
1.31
2.81
6.25
20.5
1.73
3.70
8.22
24.0
2.15
4.31
9.59
30.8
2.59
5.55
12.30
36.8
3.09
6.61
14.70
45.8
3.84
8.23
18.20
60.0
5.03
10.80
23.90
800
1000
1200
1500
PSI
PSI
PSI
PSI
.89
1.00
1.10
1.22
1.12
1.25
1.37
1.53
1.34
1.50
1.67
1.84
1.57
1.75
1.92
2.14
1.79
2.00
2.19
2.45
2.01
2.25
2.46
2.76
2.24
2.50
2.74
3.06
2.46
2.75
3.01
3.37
2.68
3.00
3.29
3.67
2.91
3.25
3.56
3.98
3.13
3.50
3.83
4.29
3.35
3.75
4.11
4.59
3.58
4.00
4.38
4.90
3.80
4.25
4.66
5.21
4.02
4.50
4.93
5.51
4.25
4.75
5.20
5.82
4.47
5.00
5.48
3.12
4.92
5.50
6.02
6.74
5.37
6.00
6.57
7.35
5.59
6.25
6.85
7.65
5.81
6.50
7.12
7.96
6.26
7.00
7.67
8.57
6.71
7.50
8.22
9.19
8.94
10.00
10.95
12.25
11.18
12.50
13.69
15.31
13.42
15.00
16.43
18.37
17.89
20.00
21.91
24.49
22.36
25.00
27.39
30.62
28.83
30.00
32.86
36.74
Water
Flow
GPM
0.5
1
Motor RPM
2
3
4
5
6
8
10
Tee
Tee
15
Thru
Thru
20
Run
Branch
25
0.93
3.33
30
1.23
4.41
40
1.56
5.62
50
2.06
7.40
60
2.4
8.63
3.08
11.6
3.68 13.20
NOZZLE FORMULAS
4.57 16.40
6.00
21.6
Nozzle# =
GPM =
PSI =
2000
4000
PSI
PSI
1.41
2.00
Included
1.77
2.50
Spray
2.12
3.00
Angle
2.47
3.50
5˚
2.83
4.00
10˚
3.18
4.50
15˚
3.54
5.00
20˚
3.89
5.50
25˚
4.24
6.00
30˚
4.60
6.50
35˚
4.95
7.00
40˚
45˚
5.30
7.50
50˚
5.66
8.00
55˚
6.01
8.50
60˚
6.36
9.00
65˚
6.72
9.50
70˚
7.07
10.00
75˚
7.78
11.00
80˚
8.49
12.00
85˚
8.84
12.5
90˚
9.19
13.00
95˚
9.90
14.00
100˚
10.61
15.00
110˚
14.14
20.00
120˚
130˚
17.68
25.00
140˚
21.12
30.00
150˚
28.28
40.00
160˚
35.36
50.00
170˚
42.43
60.00
HOSE FRICTION LOSS
PRESSURE DROP IN PSI PER 100 FT OF HOSE
WITH TYPICAL WATER FLOW RATES
Hose inside diameters, inches
1/4
5/16
3/8
1/2
16
5
2
54
20
7
180
60
25
380
120
50
220
90
320
130
220
300
450
120
900
250
1600
400
650
4000
GPM
x
PSI
PSI
Nozzle #
x
4000
(
)
2
GPM
x
4000
Nozzle
NOZZLE COVERAGE CHART
THEORETICAL COVERAGE AT VARIOUS DISTANCES
FROM NOZZLE ORIFICE
2"
4"
6"
8"
10"
0.2
0.4
0.5
0.7
0.9
0.4
0.7
1.1
1.4
1.8
0.5
1.1
1.6
2.1
2.6
0.7
1.4
2.1
2.8
3.5
0.9
1.8
2.7
3.5
4.4
1.1
2.1
3.2
4.3
6.4
1.3
2.5
3.8
5.0
6.3
1.5
2.9
4.4
5.8
7.3
1.7
3.3
5.0
6.6
8.3
1.9
3.7
5.6
7.5
9.3
2.1
4.2
6.3
8.3
10.3 12.5 15.6 18.7
2.3
4.6
6.9
9.2
11.5 13.8
2.5
5.1
7.6
10.2 12.7 15.3
2.8
5.6
8.4
11.2 14.0 16.8
3.1
6.1
9.2
12.3 15.3 18.4 23.0 27.6
3.4
6.7
10.1
13.4 16.8 20.2 25.2 30.3
3.7
7.3
11.0
14.7 18.3 22.0
4.0
8.0
12.0 16.0 20.0 24.0 30.0 36.0
4.4
8.7
13.1
17.5 21.8 26.2 32.8 39.3
4.8
9.5
14.3
19.1 23.8 28.6 35.8 43.0
5.7
11.4
17.1
22.8 28.5 34.3 42.8 51.4
6.9
13.9 20.8
27.7 34.6 41.6
8.6
17.2
25.7 34.3 42.9 51.5
10.9 21.9
32.9 43.8 54.8 65.7 82.2 98.6
14.9 29.8 44.7 59.6 74.5 89.5
22.7 45.4 68.0 90.6
113
45.8 91.6
5/8
3/4
1"
2
6
2
13
4
2
24
7
3
34
10
4
52
16
7
1
80
25
10
2
38
14
3
80
30
7
121
50
12
200
76
19
250
96
24
410
162
42
600
235
62
370
93
SPRAY ANGLE
SPRAY
SPRAY
DISTANCE
ANGLE
THEORETICAL
COVERAGE
12"
15"
18"
24"
1.1
1.3
1.6
2.1
2.1
2.6
3.1
4.2
3.2
3.9
4.7
6.3
4.2
5.3
6.4
8.5
5.3
6.6
8.0
10.6
5.4
8.1
9.7
12.8
7.6
9.5
11.3
15.5
8.7
10.9 13.1
17.5
9.9
12.4 14.9
19.9
11.2
14.0 16.8
22.4
25.0
17.3 20.6
27.7
19.2 22.9
30.5
21.0 25.2
33.6
36.8
40.3
27.5 33.0
44.0
48.0
52.4
57.2
68.5
52.0 62.4
83.2
64.4 77.3
103
112