purple vacuum tube
Product Details:
| Place of Origin | Zhejiang, China (Mainland) |
|---|
Payment & Shipping Terms:
| Minimum Order Quantity: | 500 Piece/Pieces |
|---|---|
| Price: | FOB Shanghai USD 2.95~3.1 |
| Packaging Details: | 8 pcs/ carton, 9pcs/carton, 10 carton |
| Delivery Time: | 7 days |
| Payment Terms: | T/T |
| Supply Ability: | 40,000 Piece/Pieces per Day |
Detailed Product Description
Purple vacuum tube
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 | 0.02~0.03 | |
Vacuum tightness | 6.0×103 Pa | |
Idle sunning property parameters | 220~260./KW | |
Solar irradiation for obtaining a preset water temperature | H≤4.7MJ/(Φ58) | H=3.1~3.4MJ/ |
H≤3.7MJ/(Φ47) | H=2.1~2.9MJ/ | |
Average heat loss coefficient | 0.3~0.5W/(.) | |
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 (Mainland)]
[Verified Member]
City: Jiaxing
Province/State: Zhejiang
Country/Region : China (Mainland)
Business Type:Manufacturer
Online Postings: Products