Solar vacuum tube
1.CE,ISO9001,CCC,
2. Borosilicate glass &USD 1.7-3 per tube
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 vacuum tube....
Structure | 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=37 ±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.: SJL-B
Features: Primary competitive advantage:
1.CE,CCC,ISO9001,ISO14001
2.15 Years'Warranty
3.Delivery:7-20Days
4.OEM,2500Sets/Month
Model No.: SJL-SP
Features: Primary competitive advantage:
1.CE,CCC,ISO9001,ISO14001
2.15 Years'Warranty
3.Delivery:7-20Days
4.OEM,2500Sets/Month
Model No.: SJL-TH
Features: Primary competitive advantage:
1.CE,CCC,ISO9001,ISO14001
2.15 Years'Warranty
3.Delivery:7-20Days
4.OEM,2500Sets/Month
Model No.: SJL-F
Features: Primary competitive advantage:
1.CE,CCC,ISO9001,ISO14001
2.15 Years'Warranty
3.Delivery:7-20Days
4.OEM,2500Sets/Month
Model No.:
Features: Solar Water Heater Tank
1).CE, CCC, SGS, ISO9001:2000
2).nice design
3).favorable after-sale service
Model No.: 420mm, 450mm, 460mm, 470mm, 480mm
Features: Solar Water Heater Heat Exchanger
1) Copper, Stainless Steel 304, Brass
2) For the Pressure System
3) High Quality and Reaso
Model No.: 47*1500/1600/1800; 58*1600/1800/1...
Features: solar vacuum tube
1) high quality and reasonable price
2) environmental friendly
3) nice design
4) ISO9001:2000
Model No.: 47*1500/1600/1800; 58*1600/1800/1...
Features: Cap for Electric Heater of Solar Water Heater
1.nice design
2.high quality and competitive price
3.favorable service
Model No.: 430mm, 440mm, 450mm, 460mm, 470mm...
Features: Solar Water Heater Tank Cap
1) Stainless Steel
1) high quality and reasonable price
3) nice design
4) ISO9001:2000
Model No.: 47*1500/1600/1800; 58*1600/1800/1...
Features: solar vacuum tube
1) high quality and reasonable price
2) environmental friendly
3) nice design
4) ISO9001:2000
Model No.: 47*1500/1600/1800; 58*1600/1800/1...
Features: solar vacuum tube
1) high quality and reasonable price
2) environmental friendly
3) nice design
4) ISO9001:2000
Model No.: 47*1500/1600/1800;58*1800/2000;70...
Features: Rippled Tube:
1.well-designed,competitive price and high quality
2.high heat efficiency
3.environmental protection