Solar Collector
Vacuum Tube Heat Pipe Solar Collector
Heat pipe collector for efficient heat transfer and frost resistance.
- Heat-pipe technologyRapid heat transfer with anti-freeze protection
- High vacuum tubesUltra-low heat loss for year-round performance
- Modular manifoldEasy capacity expansion from 10 to 100 tubes
- Pressurized designDirect connection to tap water network
| Area | 2.0m² |
|---|---|
| Type | Heat pipe |
| Coating | AL-N/AL |
| Pressure | 0.6MPa |
Product Introduction
Our vacuum tube heat-pipe solar collector uses advanced heat-pipe technology inside high-borosilicate glass vacuum tubes. The copper heat pipes transfer solar energy efficiently to the manifold, delivering hot water even under cloudy or cold conditions.
Each collector is built with a corrosion-resistant aluminum frame and high-transmission tempered glass cover, ensuring reliable outdoor performance for more than 15 years.
This pressurized collector is ideal for residential solar water heating, commercial hot-water projects, and swimming-pool heating systems that require stable temperature output.
Main Features
- Copper heat pipes with low-temperature start-up (-40°C usable)
- 58mm diameter borosilicate glass vacuum tubes with selective coating
- Aluminum alloy frame with anodized surface treatment
- Rock-wool insulated manifold header to minimize heat loss
- Modular design supporting 10/15/20/25/30 tube configurations
- Compatible with pressurized tanks and split solar water heaters
Specifications
| Model | Tubes | Aperture Area | Absorber Coating | Max Temp | Working Pressure |
|---|---|---|---|---|---|
| EP-HP10 | 10 | 0.93 m² | SS-C/CU selective | ≤260°C | 0.6 MPa |
| EP-HP15 | 15 | 1.39 m² | SS-C/CU selective | ≤260°C | 0.6 MPa |
| EP-HP20 | 20 | 1.86 m² | SS-C/CU selective | ≤260°C | 0.6 MPa |
| EP-HP25 | 25 | 2.32 m² | SS-C/CU selective | ≤260°C | 0.6 MPa |
| EP-HP30 | 30 | 2.79 m² | SS-C/CU selective | ≤260°C | 0.6 MPa |
Item Details
Working Principle
- Solar absorption
- Vacuum tubes absorb solar radiation and heat the heat-pipe evaporator.
- Heat transfer
- Vapor rises to the condenser bulb inside the manifold and releases heat.
- Circulation
- A heat-transfer fluid carries energy to the storage tank or heat exchanger.
Installation & Mounting
- Roof angle
- Optimal tilt equals local latitude ±10° for year-round output.
- Orientation
- South-facing in northern hemisphere; north-facing in southern hemisphere.
- Connection
- 22mm copper loop or DN20 stainless-steel flexible pipe recommended.
Quality Assurance
- Leak test
- Every manifold is pressure-tested at 1.0 MPa before shipment.
- Tube impact test
- Vacuum tubes pass 25mm hail-stone impact certification.
- Frame load test
- Certified to withstand 2400 Pa snow load and wind load.
Core Application Scenarios
- 01Residential solar water heating
- 02Commercial hot-water supply
- 03Hotel and hospital hot water
- 04Industrial pre-heating systems
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