DAB 1S4 Instructions Pour L'installation Et La Maintenance page 17

HYDRAULICS
Preassembled manifold with:
flanged connection for each pump, pressure gauge, pump running indicator pressure switch, check valve, butterfly stop-valve, delivery manifold
with pressure gauges and two pump starter pressure switches, pressure switch test circuit and expansion tank (for pilot pump). NB. DAB
PUMPS does not supply the electric and water system connections.
10
9
8
7
5
6
4
3
ENGLISH
FIRE-FIGHTING SET TO EN 12845 - UNI 10779
with submerged pumps
1
15
ITEM DESCRIPTION
1 Butterfly stop valve
2 Check valve
3 DNA pipe
4 Pressure switch manual testing valve
5 Radial pressure gauge
6 Main pump starting pressure switch
7 Pilot pump check valve
Pilot pump pressure switch (version with pilot
8
pump only)
Pilot pump stop valve (version with pilot pump
9
only)
10 Expansion tank
2