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الناصرية للخدمات الهندسية  

Nasreya Engineering Services Co.

DYNASET HEU Hydraulic Expansion Unit uses the hydraulic power of mobile machinery for rock bolt expansion. It is a compact easy to install unit to provide bolt expansion for bolters and other mining and tunneling machinery. HEU can be used for manual or fully automatic bolting.

HEU is easy and fast to use. It automatically monitors the expansion and provides reliable expansion of the bolt.