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The "Through Ring Method" is a technology that involves covering the outer surface of a tubular resin adhesive made of plastic fibers with a plastic film, and then impregnating it with a liquid thermosetting resin. This rehabilitated material is then inverted and inserted into aging pipe channels, allowing for rehabilitation without excavation. After the rehabilitated material is inverted and inserted into the pipe channel under the influence of water head pressure and air pressure, it is heated with hot water to cure the material, forming a plastic pipe within the pipe channel. Additionally, to enhance durability against internal pressure, glass fibers and hose jackets are combined with the tubular resin adhesive, and the inner film is made of polyethylene film. **Features** - This technology has been developed domestically, allowing for the provision of materials and construction with stable quality. - It enables the recovery of functionality, extension of service life, and reinforcement of aging pipe channels without excavation. - Structural design can be performed according to purpose and conditions, allowing for the rehabilitation of aging pipe channels tailored to specific needs. - It can completely resolve issues associated with aging pipe channels (corrosion, cracks, leaks, and groundwater). - Special construction can be performed (for large diameter pipes, pressurized pipes, bends, and steep gradient pipes, etc.). *For more details, please refer to the PDF materials or feel free to contact us.*

• Special Construction Method

The method is a speedy and economical spiral-wound pipe rehabilitation technique. Since it can be constructed without stopping the flow in use, if repairs to the existing pipes are necessary based on prior investigations, the work can be carried out promptly without impacting local life. It has been developed to enable rehabilitation of large-diameter pipes with a diameter of 800mm or more, which often face many issues, without excavation and while allowing shared water to flow, as well as minimizing work inside the pipe. [Features] ■ Construction is possible even under shared conditions ■ Continuous structure without joints ■ Compact construction equipment ■ Reduction of work inside the pipe is possible ■ Speedy and economical *For more details, please refer to the PDF document or feel free to contact us.

• Special Construction Method

We would like to introduce the "K-2 Method," a pipe rehabilitation system. The "K2 Liner," which is a tubular resin adsorbent material covered on both the inner and outer surfaces with a plastic film, is impregnated with thermosetting resin and then pulled into the pipeline. Fluid pressure is applied to the lining material, which is adhered to the wall of the pipeline, and the lining material is heated with hot water or a hot water shower to cure the thermosetting resin, thereby forming CIPP within the pipeline. After curing, the plastic film on the inner surface is peeled off. 【Application Range】 ■ Main sewer pipes: φ150 to φ1200 ■ Sewer connection pipes: φ100 to φ200 ■ Construction length - Main pipes: up to 100m - Connection pipes: up to 30m *For more details, please refer to the PDF document or feel free to contact us.

• Special Construction Method

We would like to introduce the "ARIS Liner Method," a CIPP pipe rehabilitation system. In this method, a liner material made of polyester non-woven fabric and polyethylene film is processed into a tubular shape and impregnated with thermosetting resin. This liner is then inserted into the existing pipeline while being inverted using water pressure and air pressure. After insertion, it is heated and cured using hot water or hot water showering, forming a new pipe inside the aging existing pipeline. By constructing a seamless and robust rehabilitated pipeline, we aim to restore strength and functionality, while also providing a structure with seismic resistance. 【Summary】 ■ Pipe diameter: φ100mm to φ1,800mm ■ Installation length: Up to 500m per inversion (depending on conditions) ■ Pipe types: Steel pipes, reinforced concrete pipes, ceramic pipes, cast iron pipes ■ Internal water pressure: 1.0Mpa ■ Structural calculations - Compliant with the design standards for land improvement project plans, pipeline standards, and technical documents. *For more details, please refer to the PDF materials or feel free to contact us.

• Special Construction Method

This catalog introduces LANSAS products such as water-stopping plugs, water-stopping valves, and water-stopping balls. We have a wide range of products, including the general-purpose "Multi-Worker (MW) Plug" with a bypass pipe, and the economical "All Rubber (AR) Plug," which is entirely made of rubber and does not have a bypass pipe. [Contents] ■ Multi-Worker (MW) Plug ■ All Rubber (AR) Plug ■ Multi-Size Dome Head Plug ■ Single Size Dome Head Plug ■ Multi-Size Flow-Through Plug, etc. *For more details, please download the PDF or feel free to contact us.

• Waterproofing Agent
• Reinforcement and repair materials