When it comes to excavations for diaphragm walls or foundations, accuracy is key. That’s why our line of hydraulic diaphragm wall grabs feature our patented multi-axis dynamic direction detection and push-plate correction systems to ensure a high level of precision in your excavations. With various models to fit your specific needs, we have the right machine to get the job done quickly and efficiently. SG series diaphragm wall grabs are widely used in the construction of water stops, retaining walls and bearing walls for deep foundation pits in subways and high-rise buildings, as well as the construction of cutoff walls for cofferdams or hydraulic dams.