22M Demolition Boom For Excavator Doosan DX520LC With 3.5ton Counterweight

Description:

High reach demolition boom is very popular in demolishing work.It have high work range,can demolish high buildings directly,also keep the excavator and operator long distance away from the buildings,supply

safty guard for demolition work.

1. Dongguan Haide Machinery is the biggest manufacturer of excavator long reach boom/stick and demolition boom in South of China now.

2. Our company established on years 2006, we have over 14 years experience in designing and customize the long reach boom for all brand excavators. 14 years manufacturer make us more and more perfessional on this areal.

3. The main material of this demolition boom is Q345B + Q690D, the top and bottom cover plate use Q690D, other place use Q345B. Pin’s material is 42CrMo4. When select the material of the demolition boom,according to the boom length,excavator model,attachment self-weight etc, most important is the working condition, we will suggest you select the right material.

4. We will supply all the pipelines for you according to your application. For this DX520LC 22M demolition boom, we prepared 3 kit extra pipes for attachments.And for the extra pipes,we prepared stop valve, so it's convenient for assembling and dismantling attachments.

5. This demolition boom total length with 22M, boom length 11.3M, middle boom length 2.5M, arm length 8.2M.

As customer requested, we make the boom with 2-section design. Section one length is 3.8M, section two is 7.5M. Convienient to change other boom on it in future.

6. For save cost, some cylinders of the demolition boom can use the original cylinders.

- Middle boom cylinder (Cylinder-1) can use original arm cylinder.(If customer requested it,we also can prepare of it.)

- Arm cylinder (Cylinder-2) can use original bucket cylinder.(If customer requested it,we also can prepare of it.)

- Bucket cylinder (Cylinder-3):we will prepare this cylinder.

7. We will issue the drawing and working diagram for your review before you place the order.

8.For this DX520LC 22 meters demolition boom,counterweight is 3.5ton.

9. A good demolition boom was depends on the good material and good welding. Material we use Q690D, with our very good welding, make the booms more good quality.

10. This demolition boom was exported to Spain.

11. The picture feedback from customer.

Specification of this R520 demolition boom:

Specification of our series products of demolition boom: