5
2
FUNCTIONING OF THE PRODUCT
2.1
Composition of proportional control units
A
1
2
B
A
C
C
B
1
2
Fig. 1
1
Maximum pressure valve
2a
Proportional electric valve
2b
Proportional valve
3
Discharge valve
4
Filter
5
Boom section electric valves
6
Metered by-passes
7
Pressure gauge adapter or pressure transducer connection
IN
Intake of liquid for spraying
OUT A
Outlet for the maximum pressure valve, proportional valve and discharge valve
OUT B
Outlet for metered by-pass
OUT C
Filter outlet
U1÷U2
Delivery to sections
