CEA 4001 - Page 51

51
F
Figure 4- Effective capacity of suction tanks and dimensions of suction chamber
Table 13: Suction pipe inlet clearances
Nominal diameter of
suction pipe’D’
mm
Distance ’A’ minimum
m
Distance ‘B’ minimum
m
Minimum dimension of
vortex inhibitor
m
65
80
100
150
200
250
300
400
500
0,25
0,31
0,37
0,50
0,62
0,75
0,90
1,05
1,20
0,08
0,08
0,10
0,10
0,15
0,15
0,20
0,20
0,20
0,20
0,20
0,40
0,60
0,80
1,00
1,20
1,20
1,20
A tank may be provided with a sump in order to maximise the effective capacity (See Figure 4). In this case
the
sump width shall be not less than 3,6 times the nominal diameter of the suction pipe.
8.3.6 Strainers