Solar Water Heater vacuum tube
1.CE,ISO9001,CCC,
2.USD 1.5--3 per pc
3. 15Years Warranty for vacuum tube
Price Terms:FOB,CIF,EXW
Payment Terms: T/T,Western Union,MoneyGram,L/C
Minimum Order: Negotiatable
Delivery Port: Customized
Contact Supplier
Packaging Detail: carton with foam inside and shrinkable tape outside
Delivery Detail: 15 DAYS AFTER RECEVING DEPOSIT
Solar Water Heater vacuum tube....
Strucure | All-glass concetric dual tube geometr | ||
Glass material | Borosilicate glass | ||
Outer lube biameter and length | φ=47 ±0.7mm & =1.5m | ||
| φ=58 ±0.7mm & =1.8m | |||
| φ=70 ±0.7mm & =2m | |||
| φ=47 ±0.7mm & =1.5m | |||
Lnner lube diameter and length | φ=47 ±0.7mm &=1.8m | ||
| φ=58 ±0.7mm & =2m | |||
Gtaded Al-N/Al solar selectuve absorbing coating | |||
Construction | |||
| Absorbing | Mothod to deposition | DC reactive sputtering | |
| Coating | Absorptance | >91% | |
| Properties | |||
| Emittance | <8%(80) | ||
Vacuum | P<5×10-3pa | ||
Stagnation parameter | ≥230M²/KW | ||
Solar radiance exposure for obtaining a preset water temperature | ≤2.8MJ/M2 | ||
Average heat loss coefficient | ≤0.8W/(M3) | ||
Lifetime | 15 years | ||
Model No.: GZ-LP
Features: 1.Well wind,snow and hail resistance.
2.More than 15 years warrantly.
3.Environmental.
4.OEM is available.
5.Nice design.
Model No.: GZ-NP
Features: 1.OEM is available .
2.Nice matching with building.
3.High efiect,low price.
4.Fast delivery.
5.Food grade steel.
Model No.: GZ-NP
Features: 1.OEM is available .
2.Nice matching with building.
3.High efiect,low price.
4.Fast delivery.
5.Food grade steel.
Model No.: GZ-SP
Features: 1)OEM is available.
2)low maintenance .
3) delivery time: 10-15 days.
4)Meeting the demand of well-to-do families.
Model No.: GZ-LP
Features: 1.Well wind,snow and hail resistance.
2.More than 15 years warrantly.
3.Environmental.
4.OEM is available.
5.Nice design.
Model No.: GM-5784
Features: 1.strict quality inspection
2.long life span
3.high quality and inexpensive
4.CE,ISO9001:2008,CCC,solar keymark
Model No.: GZ-SP
Features: 1.CE,ISO9001,SGS.
2.OEM is available.
3.Save place and easy install.
4.Stable and fashional design.
Model No.: GZ-SP
Features: 1.Anti-freezen rise up quickly.
2.Food grade stainless steel.
3.CE,ISO9001,SGS certificates.
4.Easy installation.
Model No.: GZ
Features: 1) OEM Accepted .
2) Strict Qality Control, Pompt Dlivery.
3) Satisfied After-sale Service
4) Environmental Protection
Model No.: GZ-SC
Features: 1.CE,ISO9001,SGS certificates.
2.Strict Qality Control, Pompt Dlivery.
3.Satisfied After-sale Service.
4.OEM Accepted .
Model No.: GZ-IP
Features: 1.CE,ISO9001,SGS certificates.
2.Nice matching with building.
3.Can used in any climate.
4.OEM available.
5.Rise up quickly.
Model No.: GM-5775
Features: 1.strict quality inspection
2.long life span
3.high quality and inexpensive
4.CE,ISO9001:2008,CCC,solar keymark