High Efficiency All Glass Three Target Solar Vacuum Tube

High Efficiency All Glass Three Target Solar Vacuum Tube
Technical Data of Three Target Heat Sensitive Solar Vacuum Tube
Tubestructure
All-glassdouble-tubeco-axialstructure
Glassmaterial
Highborosilicate3.3glass
Outertubesize
Φ=47±0.7mm&=1.6±0.15mm,Φ=58±0.7mm&=1.6±0.15mm,
Φ=70±0.7mm&=2.0±0.15mm
Innertubesize
Φ=37±0.7mm&=1.6±0.15mm,Φ=47±0.7mm&=1.6±0.15mm,
Φ=58±0.7mm&=2.0±0.15mm
Tubelength
800mm,1200mm,1500mm,1600mm,1800mm,
1900mm,2000mm,2100mm,etc.
Absorber
coating
Coatingmaterial
Cu/SS-ALN(H)/SS-ALN(L)/ALN
Sedimentmethod
Threetargetmagnetronsputteringplating
Absorptivity
as=0.93~0.96(AM1.5)
Emissionratio
Eh=0.04~0.06(80±5oC)
Vacuumdegree
P≤5.0x10-3Pa
Stagnationtemperature
260~300oC
Averageheatloss
ULT=0.4~0.6W/(m2*oC)
Pressure-endure
1.0Mpa
HailResistance
Φ25mm
ModelNumber
TubeSize/MM
ContainerLoadingQuantity(PCS)
20GP
40GP
40HQ
SN-47/1500
Φ47*1500
4444
8889
10794
SN-47/1800
Φ47*1800
3733
7467
9067
SN-58/1800
Φ58*1800
2625
5250
6375
1Features of All Glass Heat Sensitive Coating Evacuated Solar Tube
StrongGlass
ThetubesaremadefromatypeofglasscalledBorosilicate,thesamebasematerialasused
inmanyPyrexglassproductsusedinkitchensaroundtheworld.Borosilicateglasshasthe
characteristicofbeingverystrongandalsohasexcellentlighttransparency(>94%).
Thewallthicknessoftheglassgreatlyimpactsthestrength,longevityandnaturallyalsothe
cost.SANENG vacuumtubesarecustommadetostrictrequirementsthatexceedtheindustry
standards,includinga1.6mmthickwallensuringexcellentstrengthandresiliencetohailimpact.
To/confirm/ithestrengthofthetubes,eachbatchofevacuatedtubesassembledintheSANENG factoryhaverandomlyselectedsamplestestedbydroppinga30mm/1.2"diametersteelball
ontothetubefromvariousheights.
VacuumInsulation
Thename"evacuated"isusedtodescribetheprocessthatexpelstheairfromwithinthespace
betweenthetubetubes,formingavacuum.Avacuumisanexcellentinsulatoragainstheatloss,
andsoevacuatedtubesareabletooperateveryefficientlywhenthereisabigdifferencebetween theinsideofthetubeandtheoutsideambientair.Forthisreasonvacuumtubesaretheideal
choiceforhightemperaturehotwaterapplicationsorlocationsthatgetcoldinthewinter.
BariumGetter
Inordertohelpmaintainthevacuumoverthe15to20yearslifeofthevacuumtube,abarium
getter"soaksup"anyremaininggasesintheevacuatedchamberplusanyfreshgasessuchas
Nitrogenthatcanslowlypermeatethroughtheglassovertime,aprocessknownasoutgassing.
Thisbariumlayeralsoprovidesaclearvisualindicationofthevacuumstatus;thesilvercolored
bariumlayerturnswhiteifthevacuumislostmakingiteasytoidentifyafaulttube.
SolarAbsorber
TheabsorbercoatingcomprisesabaselayerofAluminumontheoutsideoftheinnerglasstube
followedbythinlayerofthedarkcoloredAL/Nmaterial.Thesecoatingsareappliedusinga
methodcalledDCreactivesputteringwhichisextremelyreliableafterhavingbeenfinetunedover
thepast20yearssinceitwasdeveloped,threetargetselectivecoatingwithitsspecialelements
andcoatingmethodenableshightemperatureresistanceupto380°
2Advantages of All Glass Vacuum Tube Solar Collector
Comparingwithflatpanelcollector
1.Muchmoreeconomicalforsolarwaterheatingapplication;
2.Higherefficiencywithmuchlessheatlossinglasstube;
3.Workingallyearroundeveninsubzerotemperatures;
4.Inexpensivetubeandeasytomaintenance;
5.Moreconvenientinpartscarryingandinstallation;
3Services of Haining Sanneng Solar Water Heater Co., Ltd.
Fastresponse:Yourinquirywillberepliedwithin24hoursviae-mailoronlinemessenger;
Technicalsupport:Youhavemorethan10yearsexperiencefromSANENGSOLARforproduct suggestion,installationguidance,marketanalysis,etc;
OEM&ODM:WewelcomeOEM&ODMrequirementsforsolarcollector,storagetank,
installationframe,andevenforsomeoutsourcingequipments;
Samplechecking:Inspiteofqualitycontrolinproduction,sampleswillbeselectedand
installedtocheckpriortodelivery;
Minimumorderquantity:Weoffersamplesamplemanufacturingforcustomerstocheck
qualityandservice;
Shippingservice:SANENGcompanyofferstoarrangegoodsshipmenttoabroadoceanport
orinlandsite,andifnecessarytomakegoodsinsurance,customsclearance,etc;
importcertificates:SANENGcompanyofferstomakeCertificateOriginCO,FORMA,FORME, FORMF,customscertification,etc;
4Remarks
1.Lead-time:7-15workingdaysafterreceivingpayment
2.PaymentTerm:T/T,L/C,WesternUnion
3.Warranty:5Yearsforthefullsystem,15Yearsforthevacuumtube,and1yearforaccessories
4.TradeTerm:FOB,CFRandCIF
5.Contact:Ms. eva heMobile:(00)86-13511390503 Skype: eva201423