1.EN-12975,Solar Keymark,SRCC,CCC,ISO.SGS
2.Quality first ,price first ,customer foremost!
3.tailer made as your reques
Port: Shanghai and Ningbo
Minimum Order Quantity: 2 Set/Sets OEM offered
Supply Ability: 1500 Set/Sets per Month larger quantity,better price
Payment Terms: L/C,T/T
Contact SupplierPackaging Detail: All the goods are packed in cartons; samples will be packed in wooden cases.
Delivery Detail: 15 days upon receipt of deposit.
TECHNICAL DATA FOR SOLAR COLLECTOR. | ||
MANIFOLD & VACUUM TUBES | ||
All-glass double-tube co-axial structure | ||
Absorptive coating property | Structure | AL/AL-ALN(H)/AL-ALN(L)/ALN |
Sediment method | Single target magnetron sputtering plating | |
Specific absorption | 0.90-0.93 | |
Emission ratio | 0.05-0.075(800C±50C) | |
Solar irradiation for obtaining a preset water temperature | Φ=58 H≤4.7MJ/m² | H=4.1-4.4MJ/m² |
Vacuum tightness | 5.0×10¯³ Pa | |
Idle sunning property parameters | 220-260 m².C/KW | |
Average heat loss coefficient | ULT=0.6~0.7W/(M2.0C) | |
Heat pipe material | T2 copper | |
Heat pipe size | Top: Ø14mm*70 mm; Body: Ø8mm* 0.7mm | |
Tube diameter | Φ58/1800mm | |
Fins around heat pipe | Double long Aluminum(1.68m) | |
Heat transfer fluid | Pure water + inculating crystal Copper powder (patented products) Patent number:200620068576.2 | |
Thickness of insulation(mm) | 45 | |
Density of insulation (kg/m3) | 90 | |
Fluid volume(L) | 1.0 | |
Maximum operation pressure(Bar) | 6 | |
Test pressure(Bar) | 9 | |
Hydraulic Connections | DN20/DN22/DN25 male thread optional | |
Max.working temp. | -30 ~250C | |
ΔT | 35C(Radiation>=800w/m2.day) | |
Start-up Temperature of heat pipe | <=30C | |
Resistant Hail | ≤25mm | |
Useful life | 15 years | |
BRACKET | ||
Bracket: | Stronger galvanized steel Bracket. | |
Bracket angle: | 22,38,45 optional, pitched roof, flat roof optional. | |
Fastening pieces: | Made of stainless steel screw | |
Packing of vacuum tubes | Regular foaming packages for HEAT PIPE VACUUM TUBES.. |