DHG is a diaphragm wall grab which is rope suspended and operated hydraulically. the 80 - 120 ton closing force and 6 - 10 second shovel opening / closing time are activated by a cylinder which is installed vertically inside of base body. High closing forces in combination with the posibility of multiple grabbing at the trench bottom result in high excavation rates even in dense and very hard soil strata.
 

DHG A

DHG S

DHG B

DHG C

DHG E

 
Panel length

2.800 mm

2.800 mm

2.400 - 3.200 mm

2.800 mm

4.200 mm

 

Panel width

350 - 800 mm

600 - 1.000 mm

600 - 1.200 mm

800 - 1.500 mm

600 mm

 

Height (open)

7.300 mm

7.200 mm

7.200 - 8.000 mm

7.400 mm

9.541 mm

 

Cylinder force

800 kN

1.200 kN

1.200 kN

1.200 kN

1.200 kN

 

Weight

9-11 to

10 - 12 to

10 - 19 to

12 - 19 to

21 to