|
DIMENSIONAMENTO DE BOMBAS PARA
POÇOS
PERDAS DE PRESSÃO EM VÁLVULA DE RETENÇÃO (em
metros)
|
DIÂMETRO
NOMINAL
|
Vazão
m3/h
|
|
em
milímetros
|
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
|
em
polegadas
|
|
1"
|
1¼"
|
1½"
|
2"
|
2½"
|
3"
|
4"
|
5"
|
6"
|
8"
|
10"
|
12"
|
|
0.02
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
1
|
|
0.06
|
0.02
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
1.5
|
|
0.15
|
0.05
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
2
|
|
0.30
|
0.10
|
0.04
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
3
|
|
0.60
|
0.20
|
0.07
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
4
|
|
0.80
|
0.30
|
0.11
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
5
|
|
1.00
|
0.40
|
0.15
|
0.07
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
6
|
|
.
|
0.70
|
0.30
|
0.11
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
8
|
|
.
|
1.10
|
0.50
|
0.20
|
0.06
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
10
|
|
.
|
.
|
0.60
|
0.30
|
0.10
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
12.5
|
|
.
|
.
|
1.00
|
0.40
|
0.15
|
0.06
|
.
|
.
|
.
|
.
|
.
|
.
|
15
|
|
.
|
.
|
1.50
|
0.60
|
0.22
|
0.08
|
.
|
.
|
.
|
.
|
.
|
.
|
17.5
|
|
.
|
.
|
2.00
|
0.70
|
0.25
|
0.11
|
0.07
|
.
|
.
|
.
|
.
|
.
|
20
|
|
.
|
.
|
.
|
1.10
|
0.45
|
0.20
|
0.08
|
.
|
.
|
.
|
.
|
.
|
25
|
|
.
|
.
|
.
|
1.50
|
0.60
|
0.25
|
0.12
|
.
|
.
|
.
|
.
|
.
|
30
|
|
.
|
.
|
.
|
2.00
|
0.75
|
0.35
|
0.15
|
0.06
|
.
|
.
|
.
|
.
|
35
|
|
.
|
.
|
.
|
.
|
1.10
|
0.45
|
0.18
|
0.08
|
.
|
.
|
.
|
.
|
40
|
|
.
|
.
|
.
|
.
|
1.40
|
0.55
|
0.20
|
0.10
|
.
|
.
|
.
|
.
|
45
|
|
.
|
.
|
.
|
.
|
1.50
|
0.65
|
0.30
|
0.15
|
0.06
|
.
|
.
|
.
|
50
|
|
.
|
.
|
.
|
.
|
.
|
1.00
|
0.40
|
0.20
|
0.08
|
.
|
.
|
.
|
60
|
|
.
|
.
|
.
|
.
|
.
|
1.50
|
0.55
|
0.25
|
0.12
|
.
|
.
|
.
|
70
|
|
.
|
.
|
.
|
.
|
.
|
2.00
|
0.65
|
0.30
|
0.15
|
0.06
|
.
|
.
|
80
|
|
.
|
.
|
.
|
.
|
.
|
.
|
0.80
|
0.35
|
0.19
|
0.07
|
.
|
.
|
90
|
|
.
|
.
|
.
|
.
|
.
|
.
|
1.20
|
0.45
|
0.21
|
0.08
|
.
|
.
|
100
|
|
.
|
.
|
.
|
.
|
.
|
.
|
2.00
|
0.65
|
0.30
|
0.10
|
.
|
.
|
120
|
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
0.85
|
0.40
|
0.15
|
0.06
|
.
|
140
|
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
1.10
|
0.60
|
0.20
|
0.08
|
.
|
160
|
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
1.50
|
0.70
|
0.22
|
0.10
|
.
|
180
|
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
2.00
|
0.80
|
0.30
|
0.13
|
0.06
|
200
|
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
1.50
|
0.40
|
0.18
|
0.08
|
250
|
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
2.00
|
0.55
|
0.25
|
0.15
|
300
|
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
0.80
|
0.36
|
0.18
|
350
|
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
1.00
|
0.50
|
0.25
|
400
|
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
1.50
|
0.60
|
0.30
|
450
|
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
2.00
|
0.70
|
0.36
|
500
|
|
|
|
|
|
Bombas centrífugas
|
Bombas injetoras
|
Bombas submersas
|
Página de Referência : http://www.geocities.com/cesol999/PerdasEmValvulaRetencao.htm
Citação do autor em bibliografia : LEITE,
C.E.S.
|
