Copper pipe solar vacuum tube is chosen for it's reliability, performance and low manufacturing cost.
Price Terms:FOB,CIF,EXW
Payment Terms: T/T,Western Union,MoneyGram,L/C
Minimum Order: Negotiatable
Delivery Port: Customized
Contact Supplier
Packaging Detail: Packing with exporting foam and carton.
Delivery Detail: 7 days/according to the order
Specifications:
3.3 high boron silicone glass tube
Selective coating of vacuum tube: Al-N/Al or SS-CU- Al-N/Al
25mm hailstone resistance
Tube diameter:
Outer: 47 or 58mm
Inner: 37 or 47mm
Length of vacuum tube: 1,500 or 1,800mm
Thickness of glass tube: 1.6mm
Copper pipe length: 1,500 or 1,700mm
Copper pipe diameter: 8mm
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