FOB Price
Obtenir le dernier prix|
Minimum Order
Localité:
Hangzhou,Zhejiang,China
Prix de commande minimale:
-
Commande minimale:
1000sets
Packaging Detail:
-
Delivery Time:
-
Supplying Ability:
1000000 sets per month
Payment Type:
-
Personne àcontacter Ms. julia
No 18, Datang Road, Jinan linan, Hangzhou, Zhejiang
solar vacuum tube EN-T*1 THREE TARGET VACUUM TUBE 1.Solar heater tube ***** heater tube 3.solar glass vacuum tube MODEL size QTY Diameter Length Thickness Quantity (tubes) ESA****0 Φ*7 X ***0 *0 φ*7mm ***5mm 1.5mm(±0.1mm) ***7TUE ****0HQ ESA****0 Φ*8 X ***0 *5 φ*7mm ***5mm 1.7mm(±0.1mm) ***0TEU ***0HQ EST****0 Φ*8 X ***0 *5 φ*7mm ***5mm 1.7mm(±0.1mm) ***0TEU ***0HQ ESH****0 Φ*7 X ***0 *0 φ*7mm ***5mm 1.5mm(±0.1mm) ***7TEU ****0HQ ESH****0 Φ*8 X ***0 *5 φ*7mm ***5mm 1.7mm(±0.1mm) ***0TEU ***0HQ Feature 1. new intervene film technology: utilize copper aluminium and titanium three target film technology 2. coating material ass aluminium nitrogen-aluminium, copper, stainless steel 3. Anti aging and attenuation: common vacuum pip will ne aged and attenuated in high temperature and shining condition(**0℃). Three target vacuum pipe can bear **0℃. The life of the pipe is extended greatly. Technical specifications types Three target vacuum pipe Glass-thermal expansion coefficient 3.3****6/℃ Solar-selective-absorbing-coating-technology Utilize copper aluminum and titanium three target film technology Absorbance rate after coating(AM1.5) >*4.5% Absorbance rate after evacuating(AM1.5) >*3.5% Emission rate after coating(*0±5 centigrade ) ∑≦6.0% Emission rate after evacuating (*0±5 centigrade ) ∑≦6.5% Solar radiance exposure ≦3.0MJ/㎡ Average heat loss coefficient ≦0.*0W/(㎡/℃) Selective coating material Aluminium nitrogen-aluminum, copper, stainless steel. etc Impact resistance Steel ball test: steel ball with diameter of *0mm fall on the evacuated tube vertically from **0mm height, the evacuated tube is not damaged Coating lighter are The coating color shall be even with lighter are shall be smaller than *0mm Vacuum degree ≦3***-³pa Pressure 0.6mPa 0.6mPa transparent ≧0.*9(AM1.5/SO******1:***4)
