good quality and economical heat pipe vacuum tube for solar water heater

Specifications

1.15 years warranty time.
2.CE,CCC,ROHS ,SK,certificates.
3.more powerful and durable
4.high efficienct
5.best service

The best heat pipe technical data:

 

 

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
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		1500mm  1800mm
Absorptive coating property	Structure	Cu/SS-ALN(H)/SS-ALN(L)/ALN
	Sediment method	3 target magnetron sputtering plating
	Specific absorption	0.93~0.96
	Emission ratio	0.04~0.06
Vacuum tightness		5.0×103 Pa
Idle sunning property parameters		260~300./KW
Solar irradiation for obtaining a preset water temperature	H≤4.7MJ/(Φ58)	H=3.7~4.2MJ/
	H≤3.7MJ/(Φ47)	H=2.9~3.2MJ/
Average heat loss coefficient		0.4~0.7W/(.)
Thermal conductivity of HEAT PIPT		2X10+4~1.6X10+6  W/(m.)
The material of HEAT PIPE		Copper and phase change
Resistant Hail		25mm
Life aged		15 years

 

 

 Heat Pipe Vacuum Tube Characteristics 

  

 

    1) Higher heat efficiency:advanced heat transferring style of the heat pipe,excellent   selective absorb coating and perfect combination with high vacuum heat preservation

    2)Wide applicable range:as the heat pipe loss less heat feature,it can be started quickly even under cloudy day and collect heat effectively. It can work normally even below -30 degree.As no water in the tube,it can effectively prevent low heat efficiency due to frost cracking or scaling.

    3) Each tube can work independently,and the whole system can still work even if one tube is damaged.The service life of the heat pipe can be longer than 15 years.

    4) The unique connection between the heat pipe and the vacuum tube can ensure both sealing and easy to replace the damaged glass vacuum tube.