26
Bentone
H
H
5.8.8 Suction pipe tables BFP11 and BFP21
5.8.8.1 Overhead Tank
One-pipe system
Height m
Line diameters
4,0
3,5
3,0
2,5
2,0
1,5
1,0
0,5
ø 4 mm
51
45
38
32
26
19
13
6
ø 5 mm
100
100
94
78
62
47
31
16
ø 6 mm
100
100
100
100
100
97
65
32
Two-pipe system
Height m
Line diameters
4,0
3,5
3,0
2,5
2,0
1,5
1,0
0,5
ø 6 mm
33
31
29
27
25
23
21
19
ø 8 mm
100
98
91
85
79
72
66
60
ø 10 mm
100
100
100
100
100
100
100
100
5.8.8.2 Underlying Tank
One-pipe system
For reliable operations, use of a Tigerloop is recommended in underlying tanks.
Two-pipe system
Height m
Line diameters
0,0 -0,5 -1,0 -1,5 -2,0 -2,5 -3,0 -3,5 -4,0
ø 6 mm
17
15
13
11
9
7
5
3
1
ø 8 mm
53
47
41
34
28
22
15
9
3
ø 10 mm
100 100
99
84
68
53
37
22
6
The suction line tables comprise theoretically calculated values where
pipe dimensions and oil flow are adapted to prevent turbulent flows from
occurring. Turbulent flows can result in pressure losses and noise in the
pipework.
A typical pipe system usually comprises pipe runs with 4 bends, a non-return
valve, a shut-off valve and a pre-filter.The total resistance of these items is
such that it can be disregarded. In the tables no run longer than 100 m is
listed, as experience shows this not to be required.
The tables apply to standard heating oil of normal grade merchantable
according to existing norms. When starting operations with an empty pipe
system, the pump should not be run without oil for more than 5 min. (This
presupposes that the pump is lubricated with oil when running.)The tables
give the total suction line length in meters with a nozzle capacity of 2.5 kg/h.
Max. permissible pressure on the suction and pressure lines is 2.0 bar.
Summary of Contents for Bentone ST50 ST 120 KA
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