Adjustable Diameter Durable Pipe Plug for Municipal Drainage Systems

Reliable Pipe Sealing Solution

Our adjustable diameter pipe plugs (also known as multi-size pipe stoppers or expandable pipeline plugs) are essential tools for municipal underground drainage pipe maintenance, pre-treatment, and construction work. Designed for safe and secure pipe sealing, these plugs are a must-have for professional pipeline operations.

• Size Range: Available in multiple adjustable sizes from DN50-100 up to DN600-1200.
• For larger applications, choose our single-size pipe plugs, supporting pipe diameters up to DN3000.
• Material: Made from natural rubber using a one-piece vulcanization process, ensuring excellent corrosion resistance, aging resistance, and durability.
• Lightweight and efficient, suitable for a wide range of pipe rehabilitation, leak testing, and temporary flow blocking needs.
• Warranty: 1-year quality guarantee for peace of mind.

Perfect for sewer pipe repair, stormwater systems, and wastewater infrastructure, our pipe plugs deliver dependable performance in diverse conditions.

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 the underground pipeline trenchless repair industry:

1. UV curing and repair integrated system D919: LED lamp curing and high-voltage mercury lamp curing.

2. UV cure liner: from diameter DN200 up to DN1800

3. Hot water cure liner: impregnated liner to invert by water gravity and cure by hot water

4. Pipeline inspection robots crawler D18 and D18s: CCTV video inspection of pipeline defects

5. Pipeline periscope D16S: quickly  view the internal defects of the pipeline

Headquartered in Shanghai, Daoyunai has a number of independent intellectual property rights and also has a manufacturing base and R&D and testing center in Suqian City, Jiangsu Province, covering an area of more than 35000 square meters, which fully implements the international quality management system.

Focused on producing trenchless CIPP system with liners and inspection CCTV

Committed to providing solutions for reducing costs and improving efficiency