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solar water heater vacuum tube
Negotiable
/ Set
15 Sets(Min.Order)
- 200 Set / Sets per Month
- shanghai
- T/T
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Product Details
| Place of Origin | Zhejiang, China | Brand Name | JINENG | |
| Model Number | JNNT | Type | Other, WATER HEATER |
Product Description
Specifications
VACUUM TUBElor steel and stainless steel
2.iso,ce,ccc,keymark
3.low price,good quality,quick delivery
| Technical parameters | ||||
| Tube | Standard Tube (Normal tubes) | Tri-tuble (Three high tube) | ||
| Specification | Model 47*15 | Model 58*18 | Model 47*15 | Model 58*18 |
| Length | 1500mm | 1800mm | 1800mm | 1800mm |
| Outer tube diameter | 47mm | 58mm | 47mm | 58mm |
| Inner tube diameter | 37mm | 47mm | 37mm | 47mm |
| Glass thicknes (Inner Tube) | 1.6mm | |||
| Glass thicknes (outer Tube) | 1.8mm | |||
| Glass material | Borosilicate Glass 3.3 | |||
| Coating material | Al-A-Al | Al-A-Al | ALN-SS-Cu | ALN-SS-Cu |
| Coating position | Outer surface of inner tube | |||
| Absorption ratio | ≥91% | ≥91% | ≥94% | ≥94% |
| Reflection ratio | ≤7% | ≤7% | ≤6% | ≤6% |
| Vacuum degree | 3.0T2-3Pa | 3.0T2-3Pa | 8.0T2-4Pa | 8.0T2-4Pa |
| Thermal expansion coefficient | 3.3*10-6/0C | |||
| Stagnation parameter | 220m2 °C/KW | |||
| Average heat loss coefficient | 0.75w/(m2.°C) | 0.73w/(m2.°C) | 0.67w/(m2.°C) | 0.62w/(m2.°C) |
| Maximum pressure | 0.6MPa | |||
| Minimum endurable temperature | –35°C | –35°C | –40°C | –40°C |
| Hailstone endurable (diameter) | Less than D25mm | |||
| Maximum endurable temperature | 270°C | 270°C | 300°C | 300°C |
Contact Us
- Haining Jineng Solar Energy Industry Co., Ltd.
- Contact nameAnnie Zhang Chat Now
- Phone86-573-87096388
- AddressNo. 9 Danjing Road, Haichang Economic Development Zone, Haining City, Zhejiang Province, China, Jiaxing, Zhejiang
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