GBM 308A & 339A JACKING FRAME
he 308A and 339A GBM systems are ideal pilot tube systems for the direct installation of sewer and water infrastructure when space is limited. These latching style frames are designed for pilot tube microtunneling while decreasing social, environmental, and economic costs associated with other installation methods. Features: Minimize launch shaft requirements. Direct install 1m long product pipe using Akkerman Powered Cutter or Reaming Heads. Extendable base frame options for longer pipe. Utilize in round or box shaft configurations. Versatile GBM system can be used for several Pilot Tube applications Hi-flow hydraulic valving with PCH controls standard. Works with all existing Akkerman Dual Wall Pilot Tubes. Ideal GBM system for manhole-to-manhole sewer applications.
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