Haining City Baoguang Heat Collection Tubes Co., Ltd.
Main products:Solar Water Heater,Solar Collector
Products
Contact Us
  • Contact Person : Mr. Ma Edwin
  • Company Name : Haining City Baoguang Heat Collection Tubes Co., Ltd.
  • Tel : 86-573-87860877
  • Fax : 86-573-87860677
  • Address : Zhejiang,Email us: edwin4cnbg(at)hotmail.com,# 4 Yuanhua Industrial Zone,Haining City, Zhejiang 314416.China
  • Country/Region : China
  • Zip : 314416

All glass vacuum tube for solar water heater

All glass vacuum tube for solar water heater
Product Detailed
BAOGUANG Solar Vacuum Tube performance and specification:Single Target magnetron sputtering plating

1. Single target tube

Single-target vacuum tube performance and specification:

Tube structure

All-glass double deck co-axial structure

Glass material

      High borosilicate 3.3 glass

        

Outer tube diameter and glass thickness

      Ø47±0.7mm; Glass thickness 1.6±0.15mm

      Ø58±0.7mm; Glass thickness 1.6±0.15mm

      Ø70±0.7mm; Glass thickness 2.0±0.15mm

  

Inner tube diameter and glass thickness

      Ø37±0.7mm; Glass thickness 1.6±0.15mm

      Ø47±0.7mm; Glass thickness 1.6±0.15mm

      Ø58±0.7mm; Glass thickness 1.6±0.15mm

        Tube length

1200mm,1500mm,1600mm,1800mm,1900mm,2000mm,2100mm etc

Absorption coating

property

Coating material

 AL/AL-ALN

Sediment method

Single Target magnetron sputtering plating

Absorptivity

Absorptivity:α =0.90~0.93 (AM1.5)

Emission ratio

Emission: ε=0.05~0.075(80C±5C)

          Vacuum degree

 P≤5.0X10-3 (PA)

       Stagnation temperature

(temperature inside of empty evacuated tubes)

220~260 C

       Average heat loss

ULT 0.6~0.7 W/(m2 C)

        Hail resistance

Ø25 mm

Pressure-endure

1MPa

All glass vacuum tube for solar water heater



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