Introduction of 21m Small Concrete Boom Pump
21m small concrete boom pump with dongfeng or sinotruck Chassis, is a popular small model with max. placing height 21m, with the characteristics of flexible foldable arms, little space occupying support legs, easily movable chassis, equipped with H/L pressure switch, high outlet pressure, the whole concrete pump truck JH5021 is more flexible, reliable, stable and safe.
All sizes of JH series concrete boom pump: 21m, 21m, 25m, 28m
Application of 21m Small Concrete Boom Pump
It is the top-choice concrete equipment widely used in tunnel, airport, seaport, high-speed rail site, beam field, bridge construction projects and so on.
High configuration of 21m concrete boom pump
Chassis and Power System of 21m concrete boom pump
Chassis is SINOTRUCK or DONGFENG brand, strong carrying capacity, good dynamic performance and low fuel consumption.
Jib structure system of 21m concrete boom pump
21m Small Concrete Boom Pump is based on the finite element analysis, dynamic analysis and test, and the accurate data support.
Hydraulic System of 21m concrete boom pump
Rexroth brand oil pumps and valves ensure the concrete pump truck high efficiency, long service life, high stability and excellent continuous working performance.
Oil pipes imported from Italy and Joints imported from Germany with superior performance enlarge the system flows and avoid oil leakages.
Pumping system is open circuit, no shock, no peak value and ideal temperature control.
Hydraulic System of 21m concrete boom pump
Rexroth brand oil pumps and valves ensure the concrete pump truck high efficiency, long service life, high stability and excellent continuous working performance.
Oil pipes imported from Italy and Joints imported from Germany with superior performance enlarge the system flows and avoid oil leakages.
Pumping system is open circuit, no shock, no peak value and ideal temperature control.
Parameter of 21m Small Concrete Boom Pump
|
Item |
Unit |
Parameter |
|
|
Pumping System |
Model |
|
JH5021 |
|
Max. Output |
m3/h |
50 |
|
|
Max. outlet pressure (H/L pressure) |
Mpa |
13/7.6 |
|
|
Rated working pressure |
Mpa |
31.5 |
|
|
Pumping frequency (H/L pressure) |
times/min |
14/23 |
|
|
Hopper capacity |
m3 |
0.65 |
|
|
Feeding height |
mm |
1500 |
|
|
Hydraulic system type |
|
Open circuit |
|
|
The type of distribution valve |
|
S VALVE |
|
|
Oil cylinder diameter |
mm |
DN125 |
|
|
Concrete cylinder diameter |
mm |
DN200 |
|
|
Cooling type of hydraulic oil |
|
Fan cooling |
|
|
Jib Structure System |
Max. placing height |
m |
21 |
|
Rotary angle |
° |
365 |
|
|
Arm foldable angle |
° |
90/180/360 |
|
|
Arms section quantity |
section |
3 |
|
|
Chassis and Vehicle |
Chassis model |
|
DONGFENG DFL1120B |
|
Wheelbase |
mm |
4700 |
|
|
Power of engine |
kw |
132 DONGFENG |
|
|
Rated speed of engine |
rpm |
2200 |
|
|
Emission standard |
|
National IV |
|
|
Total weight of vehicle |
kg |
14500 |
|
|
Overall dimension of vehicle (L*W*H) |
mm |
9450×2500×3500 |
|
|
Others parameter |
Hydraulic oil hopper capacity |
L |
300 |
|
Water tank capacity |
L |
300 |
|
|
Lubricating mode |
|
Centralized automatic |
|
|
Control mode |
|
Manual and Remote control |
|
Pictures of 21m Small Concrete Boom Pump
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