Daoyunai Energy Saving Technology Limited
| Payment Terms | T/T |
| Supply Ability | 20 units per month |
| Delivery Time | 20 working days |
| Packaging Details | Normal |
| Function | Large diameter sewer trenchless reha |
| Component | Blower, Cable, Video, Cure |
| Cable reel | 180 meters |
| Light | Mercury or LED |
| Diameter | DN650-1650 |
| Color | Blank or printed |
| Brand Name | DAO |
| Model Number | D919 |
| Place of Origin | Jiangsu, China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 20 units per month |
| Delivery Time | 20 working days | Packaging Details | Normal |
| Function | Large diameter sewer trenchless reha | Component | Blower, Cable, Video, Cure |
| Cable reel | 180 meters | Light | Mercury or LED |
| Diameter | DN650-1650 | Color | Blank or printed |
| Brand Name | DAO | Model Number | D919 |
| Place of Origin | Jiangsu, China | ||
| High Light | zero dig trenchless pipe repairs DAO ，trenchless pipe repair equipments DAO ，trenchless sewer repair | ||
Preparation of UV curing construction instructions:
The drainage pipeline is gravity flow. The upstream (the front section in the downstream direction) and downstream (the rear section in the downstream direction) of the pipeline shall be determined in advance, so as to determine the sequence of repairing dragging materials.
If the site space allows, it is suggested to drag the bottom film and materials in the following order: starting from the upstream direction and dragging along the downstream direction.
1. pretreatment:
Ventilation, water stop, pumping, dredging, and cleaning. Ensure that there is no ponding, water leakage, foreign matter, serious deformation or dislocation, and other defects inside the pipeline.
2. robot CCTV inspection to determine whether it can be repaired
3. pull the bottom film with a robot: (use braided rope, do not replace the rope at will, otherwise the material or membrane will rotate in the pipe)
The connection buckle between the rope head and the bottom membrane shall be firmly fastened, and another rope for pulling materials shall be put on the upper end of the bottom membrane (if a winch is used, it shall be a steel wire rope). During the membrane pulling process, ensure that the materials and ropes are not mixed with the rotation of the bottom membrane.
For long-distance materials with large pipe diameters, soapy water can be added to the bottom film to reduce the friction when the material is dragged.
| UV Cure Trenchless Construction | |
| Pipe diameter | DN600-1200 |
| Light source | LED or Mercury is available |
| Temperature | Two sensors for temperature monitoring |
| Leg | Interchanged as needed. |
| Other features are available to be custom-made. | |
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2012
Total Annual:
40000000-45000000
Employee Number:
150~200
Ecer Certification：
Verified Supplier
Daoyunai Energy Saving Technology Limited has been committed to manufacturing trenchless CIPP UV cure systems with liners and CCTV inspection crawlers for underground pipelines to service customers all over the world. The product range covers four series and more than 20 models in ... Daoyunai Energy Saving Technology Limited has been committed to manufacturing trenchless CIPP UV cure systems with liners and CCTV inspection crawlers for underground pipelines to service customers all over the world. The product range covers four series and more than 20 models in ...
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