Daoyunai Energy Saving Technology Limited
| Payment Terms | T/T |
| Supply Ability | 300km per year |
| Delivery Time | 15 workding days |
| Packaging Details | Variable |
| Material | Non-woven felts with resin |
| Structure | 6 layers |
| Diameter | DN1800 |
| Thickness | 19mm |
| Color | Original |
| Length | 190m |
| Brand Name | DAO |
| Model Number | DN1800 |
| Place of Origin | Jiangsu, China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 300km per year |
| Delivery Time | 15 workding days | Packaging Details | Variable |
| Material | Non-woven felts with resin | Structure | 6 layers |
| Diameter | DN1800 | Thickness | 19mm |
| Color | Original | Length | 190m |
| Brand Name | DAO | Model Number | DN1800 |
| Place of Origin | Jiangsu, China | ||
| High Light | DAO Cured in Place Pipe CIPP Water Inversions ，CIPP Water Inversion Hot water cure ，DAO CIPP NO Digs | ||
Hot water cure and inversion material for underground pipes repair NO Digging
The hot water cure liner trenchless repair construction process is mainly divided into two parts: Material Factory fabrication and construction site inversion:
(1) Material factory fabrication
Factory fabrication of materials mainly includes three steps:
① Cut off the length of the hose according to the engineering design requirements, and calculate the quantity of resin and other materials;
② Fully vacuum the turnover soft cylinder, so that the resin can fully soak the felt layer;
③ Put the resin and curing agent into the mixing barrel according to a certain proportion for full mixing. After mixing them evenly, pour them into the turnover soft barrel, and evenly pour the resin into the soft barrel through the turnover pressing platform to form the turnover repair material;
2) Construction site inversion
Before inverting, it is necessary to ensure that the pipeline meets the conditions. Therefore, before inverting, the pipeline shall be blocked, drained, and dredged accordingly. If necessary, the internal part of the pipeline shall be treated (such as local deformation recovery), so as to ensure that the quality of the overturned lining meets the requirements.
Before the materials enter the site, a turnover platform shall be set up at the inversion wellhead.
(3) Heating
A hot water boiler is used to heat the flexible liner cylinder circularly. By continuously raising the temperature of the water in the pipeline, the resin will react. After reaching a certain temperature (about 85 ℃) for a certain time, the pipeline repair will be cured and completed.
(4) Tail end treatment
After the pipe is cooled, the excess part at the tail end of the pipe shall be cut off to keep it level with the pipe orifice. At the same time, the pipe interface shall be grouted to integrate the new pipe and the old pipe, so as to complete the CIPP lining repair of the pipe.
| Function | Underground pipe repair |
| Inversion | Water |
| Cure | Hot water |
| Diameters | DN1800mm |
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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