ZLCONN Barrel reamer
Barrel Reamers are used in the cleaning of the borehole and the centring of the next reaming step for multiple stages of reaming. This reamer is made with a continuous central axis, and the larger models come with internal air chambers to maintain neutral buoyancy in the borehole.
HDD machine back reamer barrel type from 200mm to 1500mm size.
Barrel reamers are available in various types of increasing sizes. Comes with standard API screw-threads. Available with the following threads, frontside box and backside pin thread:
- 2 7/8 PAC, 2 7/8″ IF, 3 1/2″ IF, 4 1/2″ IF, 5 1/2″ FH, 6 5/8″ FH
- ¼ NPT stainless steel nozzles, 1/2″ of 3/4″ carbide nozzles.
- Tungsten carbide teeth.
12″ Barrel Back Reamer, 4-1/8″ Mandrel
14″ Barrel Back Reamer, 4-1/8″ Mandrel
16″ Barrel Back Reamer, 4-1/8″ Mandrel
18″ Barrel Back Reamer, 4-1/8″ or 6 ½” Mandrel
20″ Barrel Back Reamer, 4-1/8″or 6 ½” Mandrel
24″ Barrel Back Reamer, 4-1/8″ or 6 ½” Mandrel
30″ Barrel Back Reamer, 4-1/8 or 6 ½”” Mandrel
30″ Barrel Back Reamer, 5” or 6 3/4”” Mandrel
36″ Barrel Back Reamer, 5” or 6-3/4″ Mandrel
42″” Barrel Back Reamer, 6-3/4″ Mandrel
52″ Barrel Back Reamer, 8″ Mandrel
64″ Barrel Back Reamer, 8″ Mandrel
72″ Barrel Back Reamer, 8″ Mandrel
The barrel back reamer is the standard for larger HDD Machine, come with API threads and back cutters for back or forward reaming.
Ideal for sand and loam soil conditions, the barrel reamer can be used for stacking with fly cutter of hole opener, or can be used by itself for cleaning pre-reamed holes and pulling in the product.
- Replaceable bullet bits grind through tough ground conditions
- Interchangeable nozzles to varie jet sizes and pressures
- API through shaft to allow stacking with Fly Cutters
ZLCONN Barrel reamer Options
| Fluted/barrel/Ringed/Fly/cutter reamer | Specification | Attended Mode | ||||
| Central spindle | Barrel | Pipe OD | Thread type | Octagon | Swivel | |
| 54mm | 200-500mm | 50mm | 10T | |||
| 68mm | 200-700mm | 60mm | 82mm | 10T-20T | ||
| 76-89mm | 200-800mm | 73mm | NC23 | 92mm | 20T-30T | |
| 89mm | 300-1000mm | 73mm | NC26 | 92mm | 30T-50T | |
| 108mm | 400-1500mm | 89mm | NC31 | 50T-80T | ||
| 127mm | 500-1500mm | 102-114mm | NC38 NC46 | 100T-150T | ||
ZLCONN Quality Control
Quality guarantee is not only responsible for customers, but also the assurance of enterprise’s steady development. The necessary test equipment and the effective & perfect production process control is the assurance of product quality. Taking the spirit of “To win the market with innovation, to serve the customers with friendship, to build the brand with quality, to develop the enterprise with sincerity”, we utilize the advanced testing methods to make each product meticulously.
