ENGLISH
40
FIRE-FIGHTING SET TO STANDARD EN 12845 – UNI 10779
S HYDRAULIC DIAGRAM OF FEED ABOVE HEAD
In installations below water level, the distance between the pump suction port and the tank minimum level must be less than 3.2
m. A foot valve must be installed for each pump suction port. A priming tank must be installed for each main pump.
* Components and materials NOT included in the supply of the fire-fighting pumps set
P1
Supply pump no. 1
14
Pressure switch interception valve
P2
Supply pump no. 2
15
Main pump manual test valve
P3
Pilot Pump
16
Interception valve on delivery
1*
Suction filter
17
Pressure switch for starting electropump no. 1
2*
Water reserve
18
Pressure switch for starting electropump no. 2
3*
Foot valve
19*
Flow meter stub pipe
4
Pump air and recirculating
20*
Priming line non return valve
5*
Pipe for pump air and recirculating
21*
Flow meter interception valve
6*
Test valve / non return valve
22*
Priming line interception valve
7
Non return valve
23*
Flow meter
8
Non return valve
24*
Tank discharge valve
9
Interception valve on delivery
25*
Tank float
10
Diaphragm expansion tank
26*
Overflow discharge
11
Pressure gauge
27*
Priming tank
12
Pilot pump pressure switch
28*
Tank topping up
13
Manual test circuit non return valve
2
3
1
1
1
3
3
4
4
5
5
6
6
7
8
8
9
10
11
12
14
13
15
14
11
17
17
13
14
15
11
14
16
16
19
20
22
24
25
26
27
27
21
23
20
22
24
25
26
27
28
DELIVERY MANIFOLD
TO
TH
E
SY
STE
M
28
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: ......
