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GRAVITY SUPPLY SYSTEM
DROP-TYPE SYSTEM WITH SUPPLY FROM THE TANK TOP
SUCTION - TYPE FEEDING SYSTEM
FEED PLANT PUMP AS 47
1 Tank
2 Feeding pipe
3 Wire-net filter
4 Pump
5 Degasifier
Max pressure on suction and return =1,5 bar
1 Tank
3 Wire-net filter
4 Pump
6 Suction pipe
7 Return pipe
Max pressure on suction and return =1,5 bar
1 Tank
3 Wire-net filter
4 Pump
H
meters
0,5
1
1,5
2
2,5
3
3,5
N.B. For any missing devices in the piping,
follow existing regulations.
H = Difference in level between level in the tank and the pump axis.
L = Maximum length of suction pipe including the vertical lift.
For each bend or valve deduct 0,25 m.
19
6 Suction pipe
7 Return pipe
8 Automatic fuel interception
device at burner shut off
9 Non-return valve
H
Total lenght L.
meters
meters
Ø i. 10 mm.
1
30
2
35
3
40
4
45
8 Automatic fuel interception
device at burner shut off
9 One-way valve
10 Bottom valve
H
Total lenght L.
meters
meters
Ø i. 10 mm.
1
30
2
35
3
40
4
45
P = 3,5 m. (max.)
6 Suction pipe
7 Return pipe
10 Bottom valve
Total lenght L.
meters
Ø i. 10 mm.
Ø i. 12 mm.
27
23
19
15
10
7
- -
51
43
35
27
20
13
6
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