Description
The RPVC PIPE DIE HEADS from KGR Engisol is a precision-manufactured extrusion component designed to control the final geometry and surface quality of rigid PVC piping. As the critical final shaping stage between the melt and the finished pipe, the die head must deliver perfect concentricity, balanced melt distribution, and stable temperature regulation under continuous production conditions. Our RPVC pipe die heads are manufactured from high-grade, heat-treated alloy steel and are CNC-machined to exact tolerances, ensuring smooth internal passage and minimal pressure drop across the melt stream. The advanced internal flow path is engineered to prevent stagnation and degradation of PVC compounds, which is essential for maintaining color consistency and avoiding burnt specks or surface imperfections in the final product. Each die head is calibrated for uniform wall thickness and high-pressure operation, making it suitable for the production of pipes used in plumbing, electrical conduit, irrigation, and industrial utility applications. The modular construction allows for easy cleaning, replacement of mandrels, and compatibility with a wide range of conical twin-screw extrusion systems. By choosing KGR Engisol’s RPVC PIPE DIE HEADS, manufacturers gain an edge in product quality, output consistency, and long-term tooling reliability, even in demanding 24/7 extrusion environments.
Key Features
- Precision-balanced melt distribution for concentric pipe formation
- CNC-machined flow channels for pressure uniformity and improved finish
- Heat-treated alloy steel body for extended tooling life
- Replaceable mandrel and calibration components for flexibility
- Smooth internal surfaces to reduce resin stagnation and degradation
- Optimized for rigid PVC high-pressure extrusion lines
- Modular design for fast maintenance and tooling adjustments
Technical Specifications
| Specification | Detail |
| Model Series | RPVC Pipe Extrusion Tooling |
| Material | Heat-Treated Alloy Steel / Nitrided Steel |
| Pipe Diameter Range | 16mm to 400mm (Custom) |
| Flow Path Design | Spiral / Balanced Distribution Channel |
| Pressure Rating | High-Pressure PVC Extrusion Compatible |
| Heating Zones | 2-4 Controlled Thermal Zones |
| Surface Finish | Mirror Polish / Hard Chrome Coated |
| Compatibility | Conical Twin-Screw Extruder Systems |
| Maintenance Access | Quick-Release Mandrel Mount |
| Application Standard | UPVC / RPVC Pipe Production |
Applications
- High-precision rigid PVC pipe extrusion
- Electrical conduit and casing pipe manufacturing
- Water supply and pressure pipe production
- Agricultural irrigation and drainage pipe lines
- Industrial utility piping with accurate wall thickness

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