Vacuum tube solar heating project
CE, ISO9001, 3C approved
15000 pcs month produce capacity
5 years warranty
Port: Qingdao
Minimum Order Quantity: 1 Ton/Tons
Supply Ability: 50 Ton/Tons per Month
Payment Terms: L/C,T/T,Western Union
Contact SupplierPackaging Detail: Standard exporting carton box
Delivery Detail: In 15 days
Specification:
1. Accessory
Water tank; solar collector; central controler; circulation pump; electric valve; vent valve; signal wire; heat preservation pipe, etc.
2 . Insulation layer
1> 55mm thickness high pressure polyurethane
2> Closed cell foam rate: 95%
3> Foaming Condensity: 35g/cm3
4> Heat preservation: over 72 hours
3.Vacuum tube
1> Dim.: 58*1600mm, 58*1800mm, 58*2100mm, 70*1800mm, 70*2100mm
2> Material: 2.0mm thickness borosilicate glass 3.3
3> Absorb coating: Cu-Al-SS or Al-N-Al
4> Absorptance >= 0.92
5> Cold resist: -40 centigrade
6> Wind reisit: 30m/s (12 centigrade)
7> Hail resist: 25mm
Notes:
1. Packing
Each set packaged into a carton box.
2. Delivery time
In 15 days after received down payment
3. Payment
T/T ( 30% in deposit, 70% after shipment)
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