1.Covering 31200square meters,the enterpeise is professional producer of solae energy heatcollecting tubes.

2.Have 35 production lines andannual output is over 12million tubes.

3.Exported to India. Iran.Thailand. Singapore. Viet nam. Korea. Crech and SoutheastAsia.

Three-target tube

Three-target all-glass vacuum heat collection tube property andspecification

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 lenth

800mm

1200mm

1500mm    1600mm

1800mm

1900mm

2000mm    2100mm

Absorptive coating property

Structure

CU/SS-ALN(H)/SS-ALN(L)/ALN

Sediment method

3target magnertron sputtering plating

Specific absorptive

as=0.93~0.96(AM1.5)

Emission ration

0.04~0.06(80°C±1.5°C)

Vacuun tightness

P≤5.0x10-3Pa

Idle sunning property parameters

Y=260~300m2.°C/KW

Solar irradiation for obtaining a preset water temperature

H≤4.7MJ/m2(Φ58)

H=3.7~4.2MJ/m2

H≤3.7MJ/m2(Φ47)

H=3.7~4.2MJ/m2

Average heat loss coefficient

Ult=0.4~0.6W/(m2. °C)