High efficiency heat pipe solar vacuum tube

Name: High efficiency heat pipe solar vacuum tube
Brand: maycasolar
Price: USD $2.05 - 3.84 / Piece

FOB Price

USD $2.05 - $3.84 / Piece

3000 Pieces(Min.Order)

Product Details

Place of Origin:	China	Brand Name:	maycasolar	Model Number:	471500/1600/1800; 581600/1800/1900/2000/2100; 70*1800/2000/2100
Type:	Non-Pressure	Application:	Water Heater	Pipe Material:	Glass

solar vacuum 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 2000mm 2100mm
Absorption 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*10–³Pa
Idle sunning property parameters			260-300m2°c/kw
Solar irradiation for obtaining a preset water tempereture	H≤4.7MJ/m2	Φ=58	H=3.7-4.2ML/m2
	H≤3.7MJ/m2	Φ=47	H=2.9-3.2MJ/m2
Average heat loss coefficient			0.4-0.7W/m2°c
Resist hailstone			Φ=25mm
Resist cold			minus 30 degree
Resist wind			30m/s
life Aged			15 years