House use vacuum solar collector tube 58/47*1800

House use vacuum solar collector tube - 58/47*1800

outer tube diameter: 58mm, inner tube diameter: 47mm, length:1.5-1.8m, for 15 years warranty, OEM is welcomed - more info check here: http://www.sourcingappliances.com/House-use-vacuum-solar-collector-tube-11192977/

Quick Brief

Type: Solar Water Heater Parts Place of Origin: Anhui China (Mainland) Brand Name: Bell-glass Model Number: 58/47*1800 adopt 3.3 high borosilicate glass: feature:eco-... OEM for famous brand abroad/China: Special prod...

Specifications and Product Details:

Our solar collector tube can start up fast and collects solar energy fully, there is no need to wait and the water is available immediately, high level vacuum ensure operation under cold weather, and the unique super copper surface allowing lower reflection and minimal heat loss, the current products mainly include: diameter: 47/58mm, and the length is 1800mm, but we can also provide products as your request. Long time warranty for 15 years.

We are looking forward to establish business relationship with you!

Solar collector technology index

Index name			China national standards (GB/T 17049-2005)
Material	sun transmission ratio	High borosilicate 3.3,transmission ratio r≥0.89(AM1.5 ISO9806-1:1994)
	Section	1.5 mm the following section melanoma tumors 10mm x, namely, not dense 10mm range of not more than 2, the whole pipe, not more than 2.5 mm in the quarter of not more than five melanoma, more than 2.5 mm section of tumor doesn't allow exist.
	stones	The stones shall not 1mm below stone dense, namely 10mm x 10mm range of not more than 1, the whole pipe, not more than 5, the stones shall not be a crack around, more than 1mm stone does not allow exist.
	Absorption	α≥0.92(AM1.5)
	Hemisphere	εh≤0.08(80°C±5°C)
	Getter	conform to 9505 GB/T
Empty bask in performance parameters			G≥800w/m2,Empty bask in performance parametersY=(ts- ta)/G,≥20m2 C/km
Frowsty bask irradiation amount			G≥800w/m2,47tube≤3.7MJ/m2 58tube≤4.7MJ/m2
Average heat loss coefficient			≤0.85w/(m2) °C
Resistance to thermal shock			0 °C mixture of ice & water under 90 °C with no more than three times repeatedly alternately hot water impact without damage.
Resistance to pressure			should be able to withstand the pressure of 0.6 MPA
Mechanical impact resistance			can bear the 30mm steel ball diameter, 450mm place free fall in height, vertical hit and no damage.
Vacu-um perfo-rma-nce	Vaccum degree	≤5×10-2Pa
	Vacuum quality	glass tube in 350 °C maintain within 48 hours; getter mirror axial length disappeared more than 50% does not rate
Appe-ara-nce and size	the injured	cover glass tube surface stroke length is more than a slight scratches accumulative total length 1/3
	Membrane layer	The selective absorption membrane layer coating can not have besmirch, peeling or fall off.
	Obviously becomes shallow area	membrane layer color becomes shallow area should be no more than 50
	Supporting	supporting thing should not obvious place decently, don't angry, loosened.
	Sealing mouth	sleek, no ankylosis, no glass accumulation, end face and inside, cover glass surface should be smooth and even thickness, no bell shape and obvious deformation.
	length tolerance	length error shall not be more than nominal size L + length 0.5%
	Bending degree acuities	≤0.2%
	Outofroundn-ess	Analyse the largest and smallest size cross-sectional than no greater than 102
	Sealing length	S≤13mm