Detailed Product Types
Application:
Used for district heating and cooling pipeline networks with medium temperature from 3℃ to 140℃.
Structure:
- Working steel pipe
- Rigid polyurethane foam insulation layer
- HDPE outer protective jacket
Key Features:
- Factory pipe-in-pipe foaming
- Stable insulation thickness
- Moisture-resistant HDPE outer jacket
- Suitable for underground heating and cooling networks
- Factory-prefabricated elbows, tees, valves, and field joint kits available
Application:
Suitable for regional heating and cooling networks, hot spring water, water source heat pump, ground source heat pump, and pipeline systems where water temperature does not exceed 80℃.
Key Features:
- No rusting
- Longer service life
- Smooth inner wall
- Higher transmission efficiency
- Easier installation
- No welding required for certain small-diameter applications
- Lower installation cost in suitable project conditions
Application:
Used for overhead and utility corridor pipelines carrying hot water or cold water.
Key Features:
- PU insulation layer reduces heat loss
- Exposed pipe ends make welding and installation easier
- Factory-prefabricated fittings improve construction efficiency
- Galvanized metal outer jacket improves weather resistance
- Avoids aging problems caused by long-term outdoor exposure of PE jackets
- Outer jacket can be customized with color steel sheet, aluminium sheet, or stainless steel sheet
Application:
Suitable for industrial steam pipeline networks, direct buried steam pipelines, and high-temperature steam transmission systems.
Structure:
- Working steel pipe
- Insulation layer
- Heat radiation shielding layer
- Air layer
- High-strength sliding or rolling support
- Outer steel casing with anti-corrosion layer
Key Features:
- Suitable for high-temperature steam pipelines
- Sliding or rolling support reduces friction
- Air layer supports insulation and moisture discharge
- Outer steel casing can use 3PE or polyurea anti-corrosion treatment
- Supports drainage, moisture discharge, fixed supports, compensating elbows, and tees
- Fully sealed pipeline operation improves system reliability
Application:
Used for overheated steam and saturated steam transmission, especially for long-distance overhead heat network applications.
Reference Design Data:
| Item | Value |
| Medium | Overheated steam, saturated steam |
| Design Pressure | P≤2.5MPa |
| Design Temperature | T≤350℃ |
| Standard | T/CDHA2-2019 |
| Service Life | More than 25 years |
Advantages Compared with On-site Insulation:
- Shorter construction period
- Factory-prefabricated quality control
- Reduced on-site insulation workload
- Stable insulation performance
- Better appearance
- Stronger structure
- Less deformation
- Reduced thermal bridge at support positions
Application:
PVC composite insulated pipes are mainly used for small-diameter hot spring water, air-source heat pump systems, and anti-freezing water transmission.
Structure:
- Inner working pipe: PPR, PERT-II, thin-wall stainless steel pipe
- Insulation layer: polyurethane foam
- Outer protective layer: PVC
Key Features:
- Suitable for small-diameter water transmission
- Anti-freezing protection
- Clean appearance
- Easier installation
- Suitable for hot spring water and heat pump systems
Not Sure Which Product Fits Your Project?
Send us your pipe diameter, operating temperature, insulation thickness, density requirement, support type, and drawings. Our team will help recommend the right insulation product and quotation plan.
