solar vacuum tube for collecting solar

Changzhou Longquan Solar is an experienced and trustable manufacturer in producing various solar water heater solar collectors and solar vacuum tubes.Perfect quality and good service are provided.

Specification:

Type: 47-1500/58-1800mm
Materials:

Pipe: 1.6mm glass

Vacuum tube: 3.3 high boron silicone glass

Tube coating: AL-N/AL or Cu-SS-Al/N/Al
Absorption efficiency: ≥0.86
Transmission through glass: ≥0.89
Small thermal expansion rate and high intensity
Can resist impact of hailstone less than 25mm
Lifespan: 15 years

• Brand:
  Longquan Solar & OEM
• Color:
  Produced according to customer requirements
• Place of Origin:
  China
• Price Terms:
  FOB, CIF
• Payment Terms:
  T/T, L/C
• Supply Ability:
  18,000 pcs/day
• Delivery Time:
  7 days/according to the order
• Minimum Order:
  100 pcs