purple vacuum tube
Product Details:
| Pipe Material | Glass |
|---|---|
| Type | Vacuum Solar Collector |
| Place of Origin | Zhejiang, China |
| Brand Name | OEM |
| Model Number | dia 58mm long 1800mm |
Payment & Shipping Terms:
| Minimum Order Quantity: | 500 Piece/Pieces |
|---|---|
| Price: | FOB Shanghai USD 2.74~4.0 |
| Delivery Time: | 7day |
| Payment Terms: | T/T |
| Supply Ability: | 30000 Piece/Pieces per Day |
Detailed Product Description
Structure | All-glass double-tube co-axial structure | |
Glass material | High borosilicate 3.3 glass | |
External pipe diameter and thickness | Φ=47±0.7mm=1.6mm Φ=58±0.7mm=1.6mm Φ=70±0.7mm=2.0mm | |
Internal pipe diameter and thickness | Φ=37±0.7mm=1.6mm Φ=47±0.7mm=1.6mm Φ=58±0.7mm=1.6mm | |
Pipe length | 1200mm 1500mm 1600mm 1800mm 1900mm 2000mm 2100mm | |
Absorptive coating property | Structure | -------------------- |
Sediment method | ___________ | |
Specific absorption | 0.95~0.98 | |
Emission ratio | 0.03~0.04 | |
Vacuum tightness | 6.0×10-3 Pa | |
Idle sunning property parameters | 260~300./KW | |
Solar irradiation for obtaining a preset water temperature | H≤4.7MJ/(Φ58) | H=2.7~3.2MJ/ |
H≤3.7MJ/(Φ47) | H=2.0~2.5MJ/ | |
Average heat loss coefficient | 0.3~0.4W/(.) | |
Resistant Hail | 25mm | |
Life aged | 15 years | |
purple vacuum tube
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Company Info
Haining City Baoguang Heat Collection Tubes Co., Ltd.
[China]
[Verified Member]
City: Jiaxing
Province/State: Zhejiang
Country/Region : China
Business Type:Manufacturer
Online Postings: Products