All-Glass Evacuated Tube Solar Collector 30tubes

MODEL A

Size(mm)

Tube

Aperature Area

Gross Area

Volume

Weight

20 GP/40GP/40HQ

BBG4718- 12

47x1800

12 

1.13M2/12.14ft2

1.87M2/20.13ft2

0.19M3

41.6KG

122/252/296

BBG4718- 15

47x1800

15

1.49M2/16.07ft2

2.33M2/25.05ft2

0.23M3

52.0KG

122/252/296

BBG4718- 18

47x1800

18

1.69M2/18.22ft2

2.78M2/29.96ft2

0.24M3

62.4KG

117/242/287

BBG4718- 20

47x1800

20

1.88M2/20.25ft2

3.09M2/33.24ft2

0.29M3

69.3KG

97/200/234

BBG4718- 24

47x1800

24

2.26M2/24.29ft2

3.69M2/39.79ft2

0.33M3

83.2KG

85/175/209

BBG4718- 25

47x1800

25

2.35M2/25.30ft2

3.85M2/41.43ft2

0.34M3

86.7KG

82/170/202

BBG4718-30

47x1800

30

2.82M2/30.37ft2

4.61M2/49.63ft2

0.40M3

104 KG

67/138/162

Technical Data of Heat pipe collector

Production Model

BBG471800-30

BBG471800-20

Numbers of tube(pcs)

30

20

Absorber area approx.(m2)

2.439

1.626

Gross size(m)

1.99*2.1*0.154

1.99*1.4*0.154

Weight Empty(kg)

93.5

63

Hydraulic Connections

G3/4" male thread

Fluid volume(L)

1.7

1.2

Min. volume flow rate per collector(L/H)

108

72

Rated volume flow rate per coll.(L/H)

180

120

Max. volume flow rate per collector(L/H)

1200

1200

Maximum operation pressure(Bar)

6

Test pressure(Bar)

9

Heat transfer fluid

Anti-freeze Fluid (Water-Glycol)

Max.working temp.

250C

hot water(L/Day)

240C

160

ΔT

35C(Radiation>=800w/m2.day)

Collector efficiency

76.4%                                    76.2%

Medium

Pure water

Start-up Temperature of heat pipe

<=30C

Warranty

5 years, Vacuum tube for 10 years