1) hard borosilicate tube 3.3
2)high efficient absorptive
3)triple target: SS-C/CU and AL/N
4)solar keymark.
Price Terms:FOB,CIF,EXW
Payment Terms: T/T,Western Union,MoneyGram,L/C
Minimum Order: Negotiatable
Delivery Port: Customized
Contact Supplier
Packaging Detail: standard exporting carton
Delivery Detail: 5-7days
Specification of solar vacuum tube:
The marerial of glass tube: hard borosilicate :3.3
The thickness of inner and outer tube of:1.6mm
Absorption coefficient: more than 93%.
Absorptive coating :high efficient heat absorptive selective sputtering coating:
SS-C/CU and AL-N/AL
Emission coefficient: less than 10%(8%)
Evacuated : less than 5*10-3pa
Stagnation temperature 220 degree Celsius
Hail resistance 25mm
Freezing resistance -35 Celsius degrees
Model No.: WFS22
Features: Solar Water Heater Parts
1.Good Repeatability
2.Low Pressure Loss
3.Hermetic Separation of Electrical and Hydraulic
Model No.: xy-7
Features: 1. various in kind,material,thickness and design according to request.
2. excellent in quality,competitive in price.
Model No.: JS-PQ-1
Features: Type: solar plastic accessories
ISO9001 certification
Brand Name: Jiushun
Model Number:diameter:20mm
Style: Exhaust parts
Model No.:
Features: The heater is a complementary product of solar water heaters ,it is used when it is not sunshine .
Model No.: Sijiking-solar collector fin
Features: 1.blue titanium coating
2.all copper flow pipe
3.large amount of heat gaining
4.differance in shapes.length for choices
Model No.: sijiking-vacuum tube
Features: 1.copper heat pipe
2.vacuum tube coating: AL-N-AL
3.high effect heat absortion
4.passed CE,CCC,ISO9001-2000
Model No.: non-standard
Features: high-precision electric heating tube.
long-usage life
safe-warranty
Model No.: 47*1500/1600/1800; 58*1600/1800/1...
Features: normal solar vacuum tube
1) high quality and reasonable price
2) environmental friendly
3) long life
4) ISO9001:2000 CE
Model No.: MC-95
Features: Product Description :
1. Split Installation
2. CE ISO9001 CCC
3. Low heat loss
4.Competitive Price
Model No.: MC-5
Features: Three Target Purple Golden Solar Vacuum Tube:
1.Nice-Looking
2.Energy Saving
3. Long Life
4.High Quality
Model No.: 47*1500/1600/1800; 58*1600/1800/1...
Features: normal solar vacuum tube
1) high quality and reasonable price
2) environmental friendly
3) long life
4) ISO9001:2000 CE
Model No.: SLB
Features: 1.CE,SRCC,Solar Keymark,SABS
2. Anti-freezen & pressurized
3. 10 years warrantee
4. 10-15 days delivery
5. OEM available...