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

triple-cavity all-glass vacuum heat collection tube

triple-cavity all-glass vacuum heat collection tube
Product Detailed
three cavity evacuated tube is ADDING ONE MORE COMPLETE GLASS TUBE IN THE NORMAL TUBE

Structure 

All-glass double-tube co-axial structure

Glass material

High borosilicate 3.3 glass

External pipe diameter and thickness

Φ=47±0.7mm=1.6mm Φ=58±0.7mm=1.6mm

Φ=70±0.7mm=2.0mm

Internal pipe diameter and thickness

Φ=37±0.7mm=1.6mm Φ=47±0.7mm=1.6mm

Φ=58±0.7mm=1.6mm

Pipe length

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

Absorptive coating property

Structure

AL/AL-ALN(H)/AL-ALN(L)/ALN

Sediment method

Single target magnetron sputtering plating

Specific absorption

0.90~0.93

Emission ratio

0.05~0.075

Vacuum tightness

5.0×103 Pa

Idle sunning property parameters

220~260./KW

Solar irradiation for obtaining a preset water temperature

H≤4.7MJ/(Φ58)

H=4.1~4.4MJ/

H≤3.7MJ/(Φ47)

H=3.1~3.4MJ/

Average heat loss coefficient

0.6~0.7W/(.)

Resistant Hail

25mm

Life aged

15 years

ADDING ONE MORE COMPLETE GLASS TUBE IN THE NORMAL TUBE,RAISING THE HEATING EFFICIENCY BY DECREASING THE WATER CONTENT, NOT THE HEATING AREA. THE HEATING EFFICIENCY CAN IMPROVE 30%BY THIS WAY.

triple-cavity all-glass vacuum heat collection tube



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