Commissioning; Overview Of A Firefighting Application - Grundfos Fire HSEF FM Europe Series Installation And Operating Instructions Manual

8. Commissioning

The diagram in fig. 28 is used as reference.

8.1 Overview of a firefighting application

13
10
Test and
relief
Suction from
piping
tank or city
return to
supply
tank
Fig. 28 Overview of a firefighting application
Pos. Description
OS&Y (outside screw and yoke)
1
gate valve (suction control valve)
2 Eccentric reducer
3 Suction pressure gauge
4 Discharge pressure gauge
5 Automatic air release
6 Pressure relief valve
7 Relief cone
8 Check valve (pump discharge)
Indicating gate valve or butterfly
9
valve (test header)
16
17
14
15
9 12
18
19
21
5
6
3
7
1
2
4
8
Pos. Description
10 Test header
Indicating gate valve or butterfly
11
valve (discharge control valve)
12 Flowmeter
Indicating gate valve or butterfly
13
valve (flowmeter)
14 Pump controller
Pressure maintenance pump
15
controller (jockey pump)
16 Pressure sensing line (fire pump)
Pressure sensing line (jockey
17
pump)
Pressure maintenance pump
18
(jockey pump)
16
25
24
26
22
9
11
Discharge to fire protection system
23
Pos. Description
Isolation valve (jockey pump
19
suction)
Check valve (jockey pump
20
discharge), not displayed
Isolation valve (jockey pump
21
discharge)
22 Check valve (FDC)
23 Fire department connection
24 Diesel fuel tank
25 Diesel drive exhaust silencer
26 Batteries