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HangZhou Truemax Machinery & Equipment Co.,Ltd.
PB28A-3R-II

PB28A-3R-II Climbing Placing Boom

PB28A-3R-II
The PB28A-3R-II model is upgrade model of TRUEMAX PB28A-3R concrete hydraulic placing boom. It continues the TRUEMAX high quality and also has been improved as the customer feedback we received in market. The biggest change is the total weight and max lifting weight has been reduced.

Features of Climbing Placing Boom

  1. The boom is R-type folding design and it is fully hydraulically driven. It is more flexible in folding and unfolding, and has a wide range of placing concrete. The boom structure is made of high-strength steel plate with and less weight.

  2. The whole placing boom is equipped with wireless remote control and wired remote control. The operation is easy and convenient. And when a remote control fails or the wireless remote control is interfered with by a signal, another remote control can be used to ensure that the construction will not be affected.

  3. There are two types of internal climbing: climbing inside the floor and climbing in the elevator. Users can choose according to their own needs and meet the needs of different construction sites. The whole machine climbs up with its own jacking device, saving time and effort.

  4. The main electrical and hydraulic components adopt international famous brands, and the quality is stable and reliable.

  5. The whole machine is lighter at least 2~3 tons than other manufacturers placing boom. The floor bearing has been reduced.

  6. The hydraulic pump station and the electric control cabinet are integrated on the lower support, which not only realizes the modular design, but also avoids the situation that the users at the construction site take over the wiring themselves, which not only reduces the failure rate and also is easy for installation.

  7. The parts of the hydraulic pipeline that need to be connected on site use a quick connection joint, which not only makes the installation convenient and quick, but also avoids oil leakage.

  8. Optimized the design of the hydraulic oil tank volume, which saves a lot of maintenance cost to change the hydraulic oil.

  9. The hydraulic oil tank has its own liquid level sensor. If the hydraulic oil is not reaching the necessary level, the placing boom will stop automatically to avoids the oil pump sucking damage.

  10. The weight of the lifting unit is greatly reduced, the lifting weight requirement for the construction tower crane is reduced, and the adaptability is wider.

  11. The design of the components is compact and reduces transportation costs.

Technical Specifications

MODEL

PB28A3R-II

Performance

Max Radius of Placing Boom (m)

27.7

Free Standing Height(To The Joint Between The End of The Boom And Slewing Platform)(m)

22.6

Slewing Range

360°

Working Temperature(℃)

 -20~48

Power(Subject to Customer)

380V/50Hz

Boom

Delivery Pipeline Diameter(mm*mm)

φ133*4.5

Delivery Hose Diameter("*mm)

5"*3000

1st Section

Length(m)

10.5

Articulation

0°~86°

2nd Section

Length(m)

9.2

Articulation

0°~180°

3rd Section

Length(m)

8

Articulation

0°~180°

Type of Hydraulic Oil

Circumstance Temperature 5℃-48℃

ESSO NUTO H46

Circumstance Temperature -20℃-5℃

ESSO NUTO H32

Motor

power(KW)

11

  Hydraulic Pressure (Mpa)

28

  Mode of Slewing

Gear Slewing

  Mode of Climbing

Hydraulic Cylinder Climbing

  Mode of Control

1.Radio Remote Control
2.Cable Remote Control



The main hydraulic original brand

No.

Name

Brand

Country

1

Solenoid Directional Valve

ATOS

Italy

2

Twin Throttle Check Valve

ATOS

Italy

3

Pressure Relief Valve

ATOS

Italy

4

Slewing Cushion Valve

NEM

Italy

5

Balance Valve

NEM

Italy

6

Oil Pump


China

7

Hydraulic Hose

EATON

U.S.A

8

Joint

EATON

U.S.A

9

Main Electronic Components

Schneider

France

10

Cable Remote Controller


China

11

Radio Remote Controller


Taiwan

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