
District Chilled-Water Pipe PU Insulation Project in Liaoning, China
District Chilled-Water Pipe Insulation in Liaoning, China project reference: Pipe positioning, annular sealing, PU injection, curing and handling for the specified carrier-pipe and outer-casing assembly.
Project Reference and Configuration
Project reference basis. Figures and configuration details are reported in the supplied project brief. They are reference values for the stated application, rather than verified acceptance results or a guarantee for another installation. Confirm the source records, material, tooling, operating schedule and test method when assessing a comparable project.
This project reference describes pipe positioning, annular sealing, PU injection, curing and handling for the specified carrier-pipe and outer-casing assembly.
Configuration and numerical values are reproduced from the supplied project brief for discussion. Original production, inspection and acceptance records have not been verified; these values do not establish certification or performance for another configuration.
Configuration Listed in the Project Brief
| Solution Module | Typical Pipes | Core Material | Main Process | Typical Production Mode |
|---|---|---|---|---|
| Pipe & Pipeline | Chilled-Water Pipes (DN300–DN600) | Rigid PU Foam (68 kg/m³) | Pipe-in-Pipe Annular Injection | Heavy Conveyor Factory Line |
Equipment References in the Project Brief
The supplied brief lists the following equipment references. Model identities, quantities and the actual delivery scope follow the original equipment schedule.
1. High-Output Pipe Injection Machine: Stoichiometric ratio metering, high-velocity impingement injection & shot control
2. Heavy-Duty Pipe End Clamping Flanges: Pneumatic annular sealing with microporous air-venting filter plugs
3. Dual-Circuit Dynamic TCU System: Precision dynamic fluid and pipe preheating thermal balancing
4. Master Automation PLC Control Cabinet: Complete recipe storage, injection timing, and conveyor safety interlocking
Installation, training, warranty and service arrangements follow the project agreement; durations in this brief are references.
| Equipment | Model | Qty | Function |
|---|---|---|---|
| High-Output Pipe Injection Machine | HF-PIPE-HP80 | 1 Unit | Stoichiometric ratio metering, high-velocity impingement injection & shot control |
| Heavy-Duty Pipe End Clamping Flanges | HF-CLAMP-DN600 | 4 Sets | Pneumatic annular sealing with microporous air-venting filter plugs |
| Dual-Circuit Dynamic TCU System | HF-TCU-48 | 2 Units | Precision dynamic fluid and pipe preheating thermal balancing |
| Master Automation PLC Control Cabinet | HF-PLC-PIPE | 1 Set | Complete recipe storage, injection timing, and conveyor safety interlocking |
Project Reference Values






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