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Home » Product List » Heat Pipe Vacuum Tubes » Glass Vacuum Tube (SJLP-C)
Product Details
Glass Vacuum Tube (SJLP-C)
| Packing: | Standard Export Package |
|---|---|
| Model NO.: | SJLP-C |
| Standard: | 58*1800mm; 47*1500mm; 70*2100mm |
| Productivity: | 1500pcs/day |
| Unit Price: | Negotiable |
| Shipment Terms: | by sea ,by air,by train |
| Payment Terms: | L/C,T/T,Western Union |
| Minimum Order: | 1 set |
| Price Valid Time: | From Oct 27,2011 To Aug 30,2012 |
| Trademark: | Seasonjoy |
| Origin: | China |
| Use: | Bathroom |
| Circulation Type: | Direct / Open Loop (Activezh) |
| Heating System: | Batch / ICS (Passive) |
| Certification: | CE |
| Connection Type: | Direct-Plug |
| Application: | Water Heater |
| Type: | Evacuated Tube |
| Pipe Material: | Glass |
| Export Markets: | North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe |
Solar collectors, solar water heater tubes introduction:
Vacuum tube for solar products as solar collector, solar water heater and so on.
Vacuum tubes features:
1) Structure: All glass coaxial dual tube
2) Material: High borosilicate glass 3.3
3) Interferential coating: Copper, aluminum nitride
Capabilities:
A) Fast thermal collecting efficiency
B) High heat resistance
C) High cold resistance
D) 1.6mm/2.0mm wall thickness.
Specification
Structure: Two concentric borosilicate glass tubes
Material: Borosilicate glass 3.3, heat pipe
Outer tube diamete: Φ 58
Inner tube diameter: Φ 47
Length: 58-1800mm
Coating: Triple-target; Single-target; Purple
Glass thickness: 1.6mm/1.8mm/2.0mm
Vacuum degree: P<5*10-3Pa
Thermal expansion: 3.3*10-6/° C
Insolation temperature: >200° C
Absorptance: >95%
Emittance: <4%
Heat loss: <0.8W(m2° C)
Maximum strength: 0.8Mpa
Resist cold: -35° C
Resist hail: 25mm/30mm/35mm
Resist wind: 30m/s
Start-up temperature: <=25° C
Lifetime: 15 years
Vacuum tubes are produced with lengths (m) of 1.50, 1.60, 1.80, 1.92, 2.10, with diameters (mm) of 47, 58, 70.
| Strucure | All-glass concentric dual tube geomer | |
| Glass material | Borosilicate glass | |
| Outer tube diameter and thickness |
Φ =47±0.7mm & =1.5mm Φ =58±0.7mm & =2mm Φ =70±0.7mm & =2mm |
|
| Inter tube diameter and thickness |
Φ =37±0.7mm & =1.5mm Φ =47±0.7mm & =1.6mm Φ =58±0.7mm & =1.6mm |
|
| Tube Length |
1200( ± 5mm)1500( ± 5mm) 1700-1800( ± 5mm) 2000( ± 5mm) |
|
|
Absorbing coating properties |
Configulation |
1200(±5mm) 1500(±5mm) 1700-1800(±5mm) 2000( ±5mm) |
| Mothod to deposition | Graded A1-N/A1 solar selectuve absorbing coating | |
| absorptance | a s 0.88-0.93 | |
| Emittance | Σ n:-.08-0.04 | |
| Vacuum | p ≤ 2 × 10 -3 | |
| Stagnation parameter | 250M 2 C/KW | |
| Sloar rediance exposure for obtaining a preset water temperature | 2.8MJ/M 2 | |
| Average heat loss coefficient | 0.8W(M 2 C) | |
| Lifetime | 15years | |
