August 3, 2026

The global urbanization process accelerates, and high-rise residential buildings, community sewage networks and urban rainwater diversion projects put forward higher requirements for drainage pipelines, which promotes the upgrading of large-caliber PVC Drainage Pipe Equipment. PVC plastic pipes occupy 35% of the global pipeline market share, and the demand for rigid drainage pipes continues to rise with the boom of residential construction in various regions. The core host of the production line is a special conical twin-screw extruder, which is optimized for heat-sensitive PVC powder mixed with stabilizers, lubricants and fillers. The front-end high-low speed mixing unit fully stirs raw materials to eliminate defects such as pipe wall bubbles and uneven thickness. The complete technological process includes automatic powder feeding, melting plasticization, vacuum sizing, water film cooling, crawler traction and planetary fixed-length cutting, stably producing Φ50–Φ630mm standard PVC-U drainage pipe with ultra-smooth inner wall to reduce drainage resistance. The upgraded unit adds a waste gas recovery system to treat hydrogen chloride volatilized during PVC melting, meeting the strict environmental emission standards of global processing factories. The variable frequency traction system accurately matches the extrusion speed to prevent pipe stretching and shrinkage deformation in the cooling stage. The finished PVC drainage pipe has the advantages of acid and alkali resistance, light weight and convenient hot-melt connection, cutting 40% of on-site construction time compared with traditional cast iron pipes. As an indispensable conical twin-screw extruder supporting production line, it has achieved large-scale export to Southeast Asia, the Middle East and Latin America. Local governments in emerging markets are formulating unified plastic drainage pipeline installation specifications, bringing stable orders for machinery manufacturers. The new production line is embedded with IoT remote monitoring modules, which can track extrusion temperature, screw pressure and output data in real time for predictive maintenance, reducing unplanned downtime by more than 30%. Custom multi-layer co-extrusion molds can produce impact-resistant composite drainage pipes for underground main sewage pipelines. With the continuous expansion of urban construction scale, high-efficiency and environmentally friendly PVC drainage extrusion equipment will remain the preferred procurement product of plastic pipe manufacturers.

Large-Caliber PVC Drainage Pipe Equipment Meets the Demand of Urban Sewage Network Reconstruction

News  

The global urbanization process accelerates, and high-rise residential buildings, community sewage networks and urban rainwater diversion projects put forward higher requirements for drainage pipelines, which promotes the upgrading of large-caliber PVC Drainage Pipe Equipment. PVC plastic pipes occupy 35% of the global pipeline market share, and the demand for rigid drainage pipes continues to rise […]

Large-Caliber PVC Drainage Pipe Equipment Meets the Demand of Urban Sewage Network Reconstruction Read More »

Corrosion-Resistant Prestressed Spiral Pipe Production Line Widely Used in Coastal Long-Span Bridge Projects

Corrosion-Resistant Prestressed Spiral Pipe Production Line Widely Used in Coastal Long-Span Bridge Projects

News  

Coastal infrastructure projects around the world are gradually replacing metal ducts with plastic prestress protection pipes, and the automated Prestressed Spiral Pipe Production Line has become the mainstream production equipment for bridge engineering supporting materials. Engineering survey data shows that plastic prestressed corrugated pipes account for 56% of the post-tension duct procurement volume in coastal saline

Corrosion-Resistant Prestressed Spiral Pipe Production Line Widely Used in Coastal Long-Span Bridge Projects Read More »

↑