CE approved three targets coating solar vacuum tube

FOB Price: US $1.99 - $3.99  piece


High solar thermal conversion and low heat loss

  • Addition Description


High solar thermal conversion and low heat loss

Stable advanced coating: up to 380°C

High level vacuum ensure operating under cold weather

Starts up fast and collects solar energy fully

High absorption rate

Low reflectivity

3 targets coating

Long time warranty: 15 years


Materials: Cu-SS-Al-N/Al

Structure: glass coaxial double layers tube

Tube diameters:

Outer: 47 and 58 ±0.7mm

Inner: 37 and 47 ±0.7mm

Tube thickness: 1.6 ±0.15mm

Absorption: ≥0.94

Emittance: ≤0.06

Vacuum: ≤5 x 10 to 3Pa

Transmittance of outer tube: 0.91

Heat loss co-efficient: ≥0.6W/m2

Bearing hailstone ability: ≥25mm

Pressure endurability: 1MPa

Sizes: 47 x 1,500 and 58 x 1,800mm

  • Brand:
    Longquan Solar & OEM
  • Color:
    Produced according to customer requirements
  • Place of Origin:
  • 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
  • Send Inquiry

High solar thermal conversion and low heat loss

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