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BZZ400+FK Hydraulic Steering Unit for Komatsu Wheel Loader

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BZZ series hydraulic steering unit is consisted of one pair of rotary valve and one pair of gerotor. Via the steering column, the steering unit links the steering wheel, when the steering wheel rotates, the oil flows out of the supply pump of the steering system , through the rotary
valve and the gerotor , to the cylinder’s port left or right ( depend upon the rotation direction). The gerotor supplies the oil to the steering cylinder in proportion to the angular rotation of the steering wheel. If the oil flow out of the supply pump of the steering system is too small, the
steering unit can work as the manual pump.
Price: $ 1000
Availability:
Quantity:
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  • BZZ5

  • Blince


The LS port of the load sensing steering unit has to connect with priority valve or LS port of load sensing pump, so that the signal of the steering load pressure of the steering unit can be transferred to priority valve or load sensing pump through oil hose ( we suggest that the length of the hose is ≤2 m), to control the oil volume supplied to steering unit by the control system.

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Main Specification
Ttype
Displacement (mL/r)
Length
L (mm)
Max.input speed (rpm)
Max.input pressure (Mpa)
Max.cont.back pressure (Mpa)
Max.power steering torque (N-m)
BZZ5-E 50*
50
140
100
16
1.6
≤5
BZZ5-E 63*
63
141
BZZ5-E 80*
80
142.5
BZZ5-E 100*
100
145
BZZ5-E 125*
125
148
BZZ5-E 160*
160
153
BZZ5-E 200*
200
158
BZZ5-E 250*
250
164
BZZ5-E 280*
280
169
75
BZZ5-E 315*
315
174
BZZ5-E 400*
400
184
BZZ5-E 500*
500
197
60
BZZ5-E 630*
630
216
BZZ5-E 800*
800
236
BZZ5-E 1000*
1000
262
Category: Ports Code
Code
Ports P, T, A, B
Column Mounting C
Valve Mounting V
Port LS
(omit)
M20x1.5
M10
M12
M12x1.5
A
M18x1.5
M10
M12
M12x1.5
B
G1/2
M10
M10x1
G1/4
C
3/4-16UNF O-ring
3/8-16UNC
3/8-24UNF
7/16-20UNF O-ring
D
M20x1.5 O-ring
M10
M12
M12x1.5 O-ring
E
M18x1.5 O-ring
M10
M12
M12x1.5 O-ring
G
M22x1.5
M10
M12
M12x1.5
Q
M22x1.5 O-ring
M10
M12
M12x1.5 O-ring
U
G1/2 O-ring
M10
M10x1
G1/4 O-ring
M
3/4-16UNF O-ring
M10
M12
7/16-20UNF O-ring
I
3/4-16UNF O-ring
M10
M10
7/16-20UNF O-ring
N
3/4-16UNF O-ring
M10x1.25
M10
7/16-20UNF O-ring
R
P, T: M22x1.5
A, B: M18x1.5
M10
M12
M12x1.5
S
P, T: M22x1.5 O-ring
A, B: M18x1.5 O-ring
M10
M12
M12x1.5
Note 1: Ports P, T, A, B Depth: 14mm; Column Mounting C & V Depth: 16mm; Port LS Depth: 12mm.
If you have any questions, please contact our customer service. During the purchase process, we can meet all your needs.
For hydraulic equipment, please look for Blince!

Application:

Hydraulic hydrostatic steering control units are also known as orbitrol Steering Control Units (SCU), Hydrostatic Directions, Orbitrol Steering, Orbitrol Units.

Hydraulic Steering Control Units (SCU) are widely used in hydraulic rudder of ships, steering of low-speed vehicles, such as tractor, truck, loader, grader, hauler, road roller, forklift ,combined harvester ,engineering or road construction machinery etc.FT/Truck Wheel Loader





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