Geothermal HDPE Pipe
Sustainable Energy Meets Sustainable Manufacturing.
Geothermal & HDPE Pipe
High-density polyethylene (HDPE) piping offers geothermal engineers a robust and reliable solution for renewable energy operations. Like you, we’re committed to the environment and ensuring lasting performance for generations to come.
Our First-Nation, Canadian-made HDPE pipe is highly resistant to corrosion, chemicals, and high temperatures, ensuring long-term performance in transporting geothermal fluids and conduit. Fusion-welded joints create a leak-proof system, enhancing the safety and efficiency of geothermal heating and cooling operations, even as the ground shifts and ambient temperatures fluctuate.
HDPE Pipe Conformance for Geothermal Applications
Alexander Tubular is proud to manufacture First Nation owned, Canadian made HDPE pipe to the following conformance standards for geothermal operations:
- Compliance Standards: CSA B137.1 / C448
- Solid and Striped Coloring aligned with Customer Requirements
- Our material used is listed under the Plastic Pipe Institution (PPI) TR-4 Listing
- Minimum 2-year outdoor storage per ASTM D2513
- Cell Classification 445574A and 445574C as per ASTM D3350
- Hydrostatic Design Basis 1,600 psi @ 73°F (23°C) and 1,000 psi @ 140°F (60°C) as per ASTM D2837
Geothermal Applications for HDPE Pipe
HDPE piping is integral to various geothermal applications, including ground source heat pumps, district heating systems, and geothermal power plants. Our manufacturing solutions are widely used in both closed-loop and open-loop systems to transport geothermal fluids for heating, cooling, and electricity production. HDPE pipes also play an irreplaceable role in reinjection systems, returning cooled fluids to the reservoir to maintain pressure and sustainability.
The versatility, quality, and environmental approach to our Canadian-made HDPE pipe solutions make Alexander Tubular a leading choice for residential, commercial, and industrial geothermal projects.
Geothermal HDPE Pipe Packing Configurations
Gas Pipe PE4710 HDPE
| Pipe Size | Pipe True Size (OD") | SDR | Weight (LBs) | Packaging | Length | Reels on a Truck (53") | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| IPS | in | mm | /Ft | /M | Reel Material | Reel Dia | Meters | Feet | |||
| 3/4" | 1.051 | 26.7 | 1.050 | 11 | 0.126 | 0.412 | Wood | 60" | 1900 | 6234 | 20 |
| 1" | 1.315 | 33.4 | 1.315 | 11 | 0.197 | 0.645 | Wood | 70" | 1200 | 3937 | 18 |
| 1-1/4" | 1.661 | 42.2 | 1.660 | 10 | 0.341 | 1.120 | Wood | 84" | 1000 | 3281 | 14 |
| 1-1/2" | 1.902 | 48.3 | 1.900 | 11 | 0.411 | 1.348 | Wood | 84" | 800 | 2625 | 14 |
| 2" | 2.374 | 60.3 | 2.375 | 11 | 0.642 | 2.107 | Wood | 84" | 600 | 1969 | 14 |
| 3" | 3.500 | 88.9 | 3.500 | 11 | 1.395 | 4.576 | Wood | 112" | 500 | 1640 | 10 |
| 4" | 4.500 | 114.3 | 4.500 | 11 | 2.306 | 7.564 | Wood | 130" | 400 | 1312 | 8 |
Advantages of HDPE Pipe for Geothermal
Thermal Conductivity and Efficiency
Alexander Tubular products are optimized for long-term energy transfers. Alongside advantages like excellent thermal conductivity and efficient ground heat exchange, its ability to maintain consistent flow rates under varying thermal loads supports stable, high-performance heating and cooling operations.
Trenchless and Deep-Well Installation Compatibility
HDPE pipe’s long coil lengths and flexibility make it ideal for horizontal directional drilling and deep vertical bore installations without the need for multiple joints. These qualities reduce site disruption and installation costs while facilitating ideal system design in otherwise inaccessible or space-limited areas.
Proven Performance in Extreme Geothermal Conditions
For safety and performance, every material detail matters. HDPE pipe is designed to perform reliably in both sub-zero climates and high-temperature groundwater environments, maintaining its structural integrity, resilience, and crack-resistant interior throughout decades of thermal cycling.
Frequently Asked Questions
Why is HDPE pipe used in geothermal systems?
HDPE pipe is durable, flexible, and resistant to corrosion, chemicals, and ground movement. Its fused joints create a leak-free system, making it ideal for geothermal ground loops that require long-term, maintenance-free performance underground.
Can HDPE handle the temperature ranges in geothermal applications?
Yes. HDPE is well-suited for geothermal systems, with a typical operating temperature range of -40°C to 60°C (-40°F to 140°F) under pressure. This makes it reliable for both closed-loop and open-loop systems, where long-term temperature cycling occurs.
How are HDPE geothermal loops installed?
HDPE geothermal pipe is installed in vertical boreholes, horizontal trenches, or lake/pond loops depending on site conditions. The pipe is joined by butt fusion or socket fusion, creating continuous leak-free circuits that circulate heat transfer fluid between the ground and the heat pump.
What standards apply to geothermal HDPE pipe?
Geothermal HDPE pipes are typically manufactured to ASTM D3035, ASTM F714, and CSA C448 standards. Material grade such as PE4710 is common, providing high pressure ratings, excellent slow crack growth resistance, and long service life for underground energy exchange systems.
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Precision in Every Pipe
Alexander Tubular manufactures PE100 and PE4710 HDPE pipe to meet top industry standards. With CSA and NSF approved products and operations aligning with ISO 9001:2015, we deliver consistent quality, safety, and reliability.
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“Through the dedication and hard work of many, we have been able to transform the idea into reality and create something that has the promise to be one of Alexander’s most paramount business opportunities for the future.”
Chief George Arcand Jr.
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