Ground Source Heat Pump Polyethylene HDPE Pipe System
Product OverviewGround source heat pump system is currently the world's most advanced green air conditioning system. Ground source heat pump utilizes the characteristics of soil, rock, water and other media at a certain depth underground that maintain stable temperatures throughout different seasons. It installs specialized heat exchange devices underground and connects them with ground heat pump units, which then supply cooling and heating to buildings. The ground source heat pump system achieves heat exchange between the system and the earth through circulating fluid flowing in closed underground pipes (PE heat exchange coils), utilizing renewable thermal energy in the earth's rock and soil layers. This is a sustainable building energy-saving new technology. Execution Standard: CJ/T371-2009 | Ground Source Heat Pump Diagram
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Reliable Connection Performance Ground source heat pump dedicated pipes can be connected by electrofusion welding, heat fusion and other methods, with welding strength far higher than the pipe's own strength. Professional Full-Service System Ground source heat pump dedicated pipe construction technical guidance, providing customers with full pre-sales, during-sales, and after-sales services. | Product FeaturesStrong Corrosion Resistance The pipe has strong corrosion resistance. At room temperature, it does not dissolve in most organic substances (except strong oxidizers such as concentrated nitric acid and concentrated sulfuric acid). Advanced Production Equipment and High-Quality Pipe Special Materials Adopting advanced production equipment and high-quality PE pipe special materials, ensuring excellent quality of the ground source heat pump pipe system. Good Thermal Conductivity The pipe product has excellent thermal conductivity, with a thermal conductivity coefficient of 0.41w/mK, more than 10% higher than standard products. Excellent Crack Resistance The pipe is scratch-resistant with excellent crack resistance. Its slow crack growth test value exceeds 300 hours, more than 80% higher than standard requirements. Complete Supporting Facilities Providing complete supporting facilities for the entire ground source heat pump pipe system, including dedicated joints and related tools. Strong Low-Temperature Impact Resistance Under room temperature conditions, Xingjie ground source heat pump dedicated pipes have excellent impact resistance. Under low temperature conditions, the pipe still maintains good impact resistance, thus preventing pipe brittle fracture during winter construction. |
System Advantages
High Efficiency and Energy SavingAnnual operating costs are 20%~60% lower than central heating from heat networks or fuel gas heating systems. |
Building AestheticsThe system requires no boilers or cooling towers, nor household air conditioners or window units, beautifying the building and environment while improving living comfort. |
Green and Environmentally FriendlyThe ground source heat pump system only uses electricity, a clean energy source, greatly reducing carbon dioxide emissions. |
Individual MeteringConvenient for individual household metering and billing, with reasonable and easy cost calculation. |
Multi-Purpose UnitThe ground source heat pump system can provide heating, cooling, and domestic hot water supply, all in one unit. One system can replace the original two sets of equipment or systems of boiler plus air conditioning. The unit is compact, saving building space. |
50YearSafe and ReliableThe underground heat exchanger uses high-density polyethylene plastic pipes with a design service life of up to 50 years, and the heat pump unit has a life of 20 years. The entire system operates stably and reliably with low maintenance costs. |
Heat Fusion Butt Welding Procedure Parameters
| Parameter | Unit | Corresponding Value |
|---|---|---|
| Heating Plate Temperature | °C | 225~240 |
| Initial Bead Pressure | MPa | 0.17±0.02 |
| Initial Bead Minimum Size | mm | 0.5+0.1en |
| Minimum Heat Absorption Time | S | (11±1)en |
| Heat Absorption Pressure | MPa | 0. Drag Pressure |
| Maximum Time for Heating Plate Removal | S | 0.1en±2 |
| Welding Connection Pressure | MPa | 0.17±2 |
| Maximum Time to Reach Interface Pressure | S | 0.4en±2 |
| Minimum Cooling Time Under Pressure in Welding Machine | min | en+3 |
| Minimum Cooling Time Without Pressure in Welding Machine | min | en+3 |
Performance Indicators
| No. | Item | Requirement |
|---|---|---|
| 1 | Elongation at Break | ≥ 350 |
| 2 | Longitudinal Shrinkage (110°C), % | ≤ 3 |
| 3 | Oxidation Induction Time (200°C), min | ≥ 20 |
| 4 | Thermal Conductivity (W/m·k) | ≤ 0.41 |
| 5 | PE80, 20°C, 10.0MPa, 100h No rupture, No leakage | Hydrostatic Strength |
| PE100, 20°C, 12.4MPa, 100h No rupture, No leakage | ||
| PE80, 20°C, 4.5MPa, 165h No rupture, No leakage | ||
| PE100, 80°C, 5.5MPa, 165h No rupture, No leakage |
Product Specifications
| Nominal Outer Diameter | Minimum Average Outer Diameter | Maximum Average Outer Diameter | Nominal Wall Thickness (mm) | |
|---|---|---|---|---|
| SDR13.6 | SDR11 | |||
| 25 | 25.0 | 25.3 | 2.0 | 2.3 |
| 32 | 32.0 | 32.3 | 2.4 | 3.0 |
| 40 | 40.0 | 40.4 | 3.0 | 3.7 |
| 50 | 50.0 | 50.5 | 3.7 | 4.6 |
| 63 | 63.0 | 63.6 | 4.7 | 5.8 |
| 75 | 75.0 | 75.7 | 5.6 | 6.8 |
| 90 | 90.0 | 90.9 | 6.7 | 8.2 |
| 110 | 110.0 | 111.0 | 8.1 | 10.0 |
| 125 | 125.0 | 126.2 | 9.2 | 11.4 |
| 160 | 160.0 | 161.5 | 11.8 | 14.6 |
| 200 | 200.0 | 201.8 | 14.7 | 18.2 |
| 225 | 225.0 | 227.1 | 16.6 | 20.5 |
| 250 | 250.0 | 252.3 | 18.4 | 22.7 |
SDR Value and PN Comparison Table
| SDR | SDR13.6 | SDR11 |
|---|---|---|
| PE80 | PN1.0 | PN1.25 |
| PE100 | PN1.25 | PN1.6 |
HDPE Same-Floor Drainage Method
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Product Specifications
| Pressure Rating | PN0.6 MPA | PN0.8 MPA | PN1.0 MPA | PN1.25 MPA | PN1.6 MPA |
|---|---|---|---|---|---|
| SDR26 | SDR21 | SDR17 | SDR13.6 | SDR11 | |
| Outer Diameter (mm) | OD × Wall Thickness | OD × Wall Thickness | OD × Wall Thickness | OD × Wall Thickness | OD × Wall Thickness |
| 20 | — | — | — | — | 20×2.3 |
| 25 | — | — | — | — | 25×2.3 |
| 32 | — | — | — | — | 32×3.0 |
| 40 | — | — | — | — | 40×3.7 |
| 50 | — | — | — | — | 50×4.6 |
| 63 | — | — | — | 63×4.7 | 63×5.8 |
| 75 | — | — | 75×4.5 | 75×5.6 | 75×6.8 |
| 90 | — | 90×4.3 | 90×5.4 | 90×6.7 | 90×8.2 |
| 110 | 110×4.2 | 110×5.3 | 110×6.6 | 110×8.1 | 110×10.0 |
| 125 | 125×4.8 | 125×6.0 | 125×7.4 | 125×9.2 | 125×11.4 |
| 160 | 160×6.2 | 160×7.7 | 160×9.5 | 160×11.8 | 160×14.6 |
| 200 | 200×7.7 | 200×9.6 | 200×11.9 | 200×14.7 | 200×18.2 |
| 225 | 225×8.6 | 225×10.8 | 225×13.4 | 225×16.6 | 225×20.5 |
| 250 | 250×9.6 | 250×11.9 | 250×14.8 | 250×18.4 | 250×22.7 |
| 315 | 315×12.1 | 315×15.0 | 315×18.7 | 315×23.2 | 315×28.6 |
| 355 | 355×13.6 | 355×16.9 | 355×21.1 | 355×26.1 | 355×32.3 |
| 400 | 400×15.3 | 400×19.1 | 400×23.7 | 400×29.4 | 400×36.3 |
| 450 | 450×17.4 | 450×21.5 | 450×26.7 | 450×33.1 | 450×40.9 |
| 500 | 500×19.1 | 500×23.9 | 500×29.7 | 500×36.8 | 500×45.4 |
| 560 | 560×21.4 | 560×26.7 | 560×33.2 | 560×41.2 | 560×50.8 |
| 630 | 630×25.1 | 630×30.0 | 630×37.4 | 630×46.3 | 630×57.2 |
Note: For other specifications, please refer to relevant standards or contact us.
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