page 10
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PUMP FOR HYDRAULIC SYSTEMS
Installation and maintenance manual
1.5 Pump technical features
The release pressure of the pressure relief valves does not correspond to the system normal pressure but
it represents only the use limits.
CAUTION
4
5
4
5
UP25 T - UP28 T - UP33 T - UP39 T - UP45 T
2
10
9
UP28 R - UP33 R - UP39 R - UP39-I R - UP45 R - UP45-I R
7
2
3
8
4
4
5
5
SPECIFICATIONS PUMP UP25 F
PUMP UP25NV F
PUMP UP28 F
PUMP UP33 F
PUMP UP33NV F
PUMP UP39 F
PUMP UP45 F
Capacity
23,5 cc/rev. - 1,4
cu.in/rev.
23,5 cc/rev. - 1,4
cu.in/rev.
28 cc/rev. - 1,7
cu.in/rev.
33 cc/rev. - 2,0
cu.in/rev.
33 cc/rev. - 2,0
cu.in/rev.
39 cc/rev. - 2,4
cu.in/rev.
45 cc/rev. - 2,7
cu.in/rev.
Pressure relief valve
release pressure
70 bar (1000 psi)
70 bar (1000 psi)
70 bar (1000 psi)
70 bar (1000 psi)
70 bar (1000 psi)
70 bar (1000 psi)
70 bar (1000 psi)
No. of pistons
5
5
5
7
7
7
7
Max. steering wheel
diameter
711 mm (28 in.)
711 mm (28 in.)
711 mm (28 in.)
711 mm (28 in.)
711 mm (28 in.)
711 mm (28 in.)
711 mm (28 in.)
Max. steering wheel
height
152 mm (6 in.)
152 mm (6 in.)
152 mm (6 in.)
152 mm (6 in.)
152 mm (6 in.)
152 mm (6 in.)
152 mm (6 in.)
Weight
5 kg (11 lbs)
5 kg (11 lbs)
5 kg (11 lbs)
5 kg (11 lbs)
5 kg (11 lbs)
5 kg (11 lbs)
5 kg (11 lbs)
Oil
OIL15
OIL15
OIL15
OIL15
OIL15
OIL15
OIL15