Conventional RC System 7in
Dual-Wall Reverse Circulation Conventional Rotary System 7inThis is the original RC with a conventional Down Hole Hammer. An interchange sub, also referred to as a crossover sub, located above the hammer with a vertical slots to let the sample go into the center of the Dual wall drill pipe. An interchange sub allows the down-the-hole hammer mechanism to continuously fire while reversing the flow of the drill cutting up the inner pipe. |
Please choose below which parts of the Dual-wall reverse circulation rotary system you're intrested in: |
![]() | Interchange Assembly | ||||
![]() | |||||
![]() | |||||
![]() | |||||
![]() | |||||
![]() | ![]() | ||||
7" x 4" Dual Tube Pipes | |||||