Technical - Calculating Available Power

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NOZZLE SELECTION CHART
NOZZLES SIZE - FOR MULTIPLE NOZZLES MACHINES,
MULTIPLY FLOW BY NUMBERS OF NOZZLES

The Watermotor Model 90 uses nozzles up to 1/2" dia. (12.7 mm) and the Model 150 up to 7/8" (22.2 mm).
NET FALL /
GALLONS PER MINUTES
  
  
  
  
  
  
  
  
  
  
  
  
  
RPM
5/16"
3/8"
7/16"
1/2"
5/8"
3/4"
7/8"
Model
90
Model
150
PRESSURE
Model 90
Model 150
FEET
PSI
GPM
GPM
GPM
GPM
GPM
GPM
GPM
30
13.0
10.5
15.1
20.6
26.9
42.0
60.5
82.4
1303
752
40
17.3
12.1
17.5
23.8
31.1
48.5
69.9
95.1
1497
865
50
21.7
13.6
19.5
26.6
34.7
54.3
78.1
106.0
1680
970
60
26.0
14.8
21.4
29.1
38.0
59.4
85.6
117.0
1829
1056
80
34.6
17.1
24.7
33.6
43.9
68.6
98.8
135.0
2115
1221
100
43.3
19.2
27.6
37.6
49.1
76.7
110.0
150.0
2366
1366
120
52
21.0
30.3
41.2
53.8
84.1
121.0
165.0
2595
1498
150
65
23.5
33.8
46.0
60.1
93.9
135.0
184.0
2903
1676
200
86.6
27.1
39.1
53.2
69.4
109.0
156.0
213.0
3349
1934
250
108
30.3
43.6
59.4
77.6
121.0
175.0
261
3738
2158
300
130
33.2
47.8
65.1
85.1
133.0
191.0
283.0
4103
2369
NET FALL /
LITRES PER MINUTE
RPM
Model
90
Model
150
7.9
mm
9.5
mm
11.1
mm
12.7
mm
15.9
mm
19
mm
22.2
mm
PRESSURE
Model 90
Model 150
METER
Kg/CM2
LPM
LPM
LPM
LPM
LPM
LPM
LPM
9.2
.90
39.8
57.2
78.1
102.0
159.2
229.3
312.3
1303
752
12.2
1.19
45.9
66.3
90.2
117.9
183.8
264.9
360.4
1497
865
15.2
1.50
51.5
73.9
100.8
131.5
205.8
296.0
401.7
1680
970
18.3
1.79
56.1
81.1
110.3
144.0
225.1
324.4
443.4
1829
1056
24.4
2.38
64.8
93.6
127.3
166.4
260.0
374.4
511.6
2115
1221
30.5
2.98
72.8
104.6
142.5
186.1
290.7
420.7
568.5
2366
1366
36.6
3.58
79.6
114.8
156.1
203.9
318.7
458.5
625.4
2595
1498
45.8
4.48
81.9
128.1
174.3
227.8
355.9
511.6
697.4
2903
1676
61
5.97
102.7
148.2
201.6
263.0
413.1
591.2
807.3
3349
1934
76.2
7.44
114.8
165.2
225.1
294.1
458.6
663.2
902.0
3738
2158
91.5
8.96
125.8
181.2
246.7
322.5
504.1
723.9
989.2
4103
2369


For more information contact Ron Davis or Diane Bellomy at:
Campo Nuevo
Email: watermotor@yahoo.com
Casilla 4365, La Paz, Bolivia.
Telephone: (591-2) 2485022 or
(591-2)2485159
Mobile:
(591-2) 71527700