evacuated tube:
1.it has 12cm longer end than normal tube
2.it has heat pipe function
3.installation is easier than heat pipe
Port: shanghai port
Minimum Order Quantity: 100 Piece/Pieces
Supply Ability: 300,000 Piece/Pieces per Year
Payment Terms: L/C,T/T
Contact SupplierPackaging Detail: standard export carton package
Delivery Detail: 7 days
evactuated tube:
specification:
1. Selective AL/N/AL or copper-stainless-AL (C-S-AL) vacuum tubes
2.High absorptance
3. Cold weather resistance
4. can bear 2.5cm hailstone pressure.
5. it has 12CM length longer end than normal vacuum tubes.
6. there is medium inside vacuum tube.
7. can be used same as function of heat pipe.
8. easier insllation than heat pipe solar water heaters.