ENGLISH
39
FIRE-FIGHTING SET TO STANDARD EN 12845 – UNI 10779
HYDRAULIC DIAGRAM OF FEED BELOW HEAD
EN 12845 recommends installation below water level, with at least 2/3 of the level of water in the tank above the pumps' suction
port. Each pump has its own suction pipe at least 65 mm long.
* Components and materials NOT included in the supply of the fire-fighting pumps set
P1
Supply pump no. 1
12
Pressure gauge
P2
Supply pump no. 2
13
Pressure switch interception valve
P3
Pilot Pump
14
Manual test circuit non return valve
1*
Suction interception valve
15
Main pump manual test valve
2*
Suction filter
16
Interception valve on delivery
3
Pump air and recirculating
17
Pressure switch for starting electropump no. 1
4*
Test valve / non return valve
18
Pressure switch for starting electropump no. 2
5
Non return valve
19*
Flow meter stub pipe
6*
Water reserve
20*
Flow meter interception valve
7
Non return valve
21*
Flow meter
8
Interception valve on delivery
9*
Pipe for pump air and recirculating
10
Diaphragm expansion tank
11
Pilot pump pressure switch
FLOW METER STUB PIPE
1
1
1
2
2
2
3
3
4
4
5
6
7
7
8
9
10
11
12
13
14
15
12
13
17
17
16
13
14
15
12
13
18
18
16
19
20
21
DELIVERY MANIFOLD
T
O
T
H
E
SY
ST
E
M
2
2
2
Summary of Contents for 1 KDN Series
Page 118: ...113 EN 12845 UNI 10779 1 KDN P1 6 P3 8 1 2 1 9 3 8 2 10 2 3 11 4 12 5 9a 9...
Page 119: ...114 EN 12845 UNI 10779 11 1 KDN P2 10 2 P3 11 1 12 3 14 4 15 5 16 6 17 8 19 9 1 2 9a 9...
Page 120: ...115 EN 12845 UNI 10779 1 KDN P2 11 P3 12 1 14 50 50 3 15 4 17 5 19 6 20 10 2 9a 9...
Page 122: ...117 EN 12845 UNI 10779 P1 KDN 5 P3 6 1 7 2 8 3 9 4 10...
Page 123: ...118 EN 12845 UNI 10779 1 8 2 9 3 10 4 11 50 50 5 12 6 13 7 14 6...
Page 126: ...121 EN 12845 UNI 10779 1 2 5 2 3 2 2 6 3 2 7 3 8 4...
Page 198: ......
Page 199: ......
