13
MAXIMUM ALLOWABLE PIPE RUN FROM TANK TO DE-AERATOR (metres)
Fuel
Flowrate 2.5 (kg/h) 5.0 (kg/h) 10.0 (kg/h) 10.0 (kg/h)
HEAD
(metres)
6 mm inside dia. pipe
8 mm inside dia. pipe
(8 mm O.D. copper)
(10 mm O.D. copper)
0
100
55
26 100
0.5
95
45
23
100
1.0
80
40
20
90
1.5
70
35
17
75
2.0
60
30
14
65
2.5
45
25
11
50
3.0
35
15
8
35
3.5
25
10
5 20
TABLE 14 Single Pipe Suction Lift with De-aerator
Fig. 10. Oil Supply.
(a) Single pipe system
Oil tank
Oil tank
Maximum oil level
H = 4 m (13 ft) maximum
Fire valve to
BS 5410
Fire valve to
BS 5410
Isolating
valve
Isolating
valve
Fire detection
element
Filter
Burner
Burner
Wall
Wall
(b) Double pipe system.
Isolating
valve
Non return
valve
Non return
valve
Fire detection
element
Isolating
valve
Oil tank
(c) Single pipe lift system with de-aerator.
Fire valve to
BS 5410
H = 3.5 m (11.5 ft) maximum
Burner
Wall
Fire detection
element
De-aerator
H = 3.5 m (11.5 ft) maximum
Isolating
valve
H = 0.3 m (1 ft) minimum
Paper element
oil filter
Isolating
valve
Filter
Filter
Isolating
valve
Isolating
valve
Full base
(for plastic tanks)
Full base
(for plastic tanks)
Full base
(for plastic tanks)
150 mm
