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Heat Pipe Solar Collector Components Manifold, heat pipe evacuated tube Skylight Heat Pipe Collector Technical Parameter Skylight Evacuated Tube Specifications: 1. Length (nominal):***0mm/***0mm 2. Outer tube diameter: *8mm/*7mm 3. Inner tube diameter: *7mm/*7mm 4. Glass thickness:1.8mm/2.0mm 5. Thermal expansion: 3.3x***6°C 6. Material: Borosilicate Glass 3.3 7. Absorptive Coating: Graded Al-N/Al 8. Absorptance: v>*3% (AM1.5) 9. Emittance: <8% (*0°C) *0. Vacuum: P<5x***3 Pa *1. Stagnation Temperature :> **0°C *2. Heat Loss :< 0.8W/ (m2°C) *3. Maximum Strength: 0.8MPa *4. Start-up temperature: ≤*5°C *5. Anti hail: ≤Ø *5mm *6. Weight:2.2kg/3.0kg *7. Package: ***0***0***0(*0pcs) ***0***0***0(8pcs) Skylight Manifold and Heat Pipe Specifications: 1. Heat pipe wall thickness: 0.6mm 2. Length and diameter of condenser: *5mm/Ф*4mm 3. Start up speed: *0S 4. Start up temperature: *5 oC 5. Insulation: Polyurethane + Rock wool 6. Manifold casing material: Aluminum Alloy 7. Frame material and thickness: Aluminum Alloy 1.3mm 8. Inlet Outlet: Φ*2 or G3/4 inch compression 9. Heat pipe material: Copper *0. Insulation: Polyurethane *1. Rubber seals and rings: UV stabilized high temperature silicon rubber *2. Test pressure: 9 bar *3. Collector mounting: Flat roof or inclined roof *4. Angle of operation: *0degree**0degree