low pressure solar water heater (best sell)

low pressure solar water heater (best sell) Workingprinciple: Non-pressureSolarWaterHeaterisasimpleformofmakinguseofsolarenergytogethotwater. Itdirectlyjointstheheatcollectorwiththewatertankonthetop. Thereisnoneedofpumptopushthewaterandnoneedofpipelinebetweenthecollectorsandthetank. Whenthewaterinthevacuumheat-collectingtubeisheated,itsdensitywilldecreaseandwillgoupwardintothetank; meanwhilethecoldwaterinthetankwillflowdownintothetubeduetoitsgreaterdensity. Thus,thecirculationandheat-exchanginginthesystemiscompleted. Advantages: 1Designedontheheat-receivingconditionsofwinter 2AppliesTG-techniquetoacceleratetheflowofwaterandthickeranddenserinsulationlayer 3Moredurabletotheimpactfromwind,snowandhail 4Largerwatertankmoresuitableforfamilyuseandhotwatercenter 5Wanbaoheat-losingreducingtechniques,vacuumtubehighlyabsorptive,highlydurabletohotandcoldweatherconditions 6Largerinstallinganglemakesitmoresuitableforregionsofhigheraltitudeandsevereclimate 7Niceshapeandfinishmakesitmoreharmoniouswiththesurroundings ProductDescription of solar water heater *Material A)Innerwatertank:SUS304-2Bfoodgradestainlesssteel B)Outerwatertank:coatedsteelsheet C)Bracket:colorsteelwithelectrostaticplasticcoating *Thickness: A)Innertank:0.4mm B)Outertank:0.4mm C)Bracket:1.5mm *Heatcollector:vacuumtube A)Size:47X1500mm/58X1800mm B)Qty:15/20/25/30pcs *Insulationlayer A)Material:polyurethane B)Thickness:50mm(formaximum72hoursofconservation) C)Density:42kgs/m3 *Tankcapacity A)90/120/150/180liters(47X1500mm)(15/20/25/30,6liters/tube) B)150/200/250/300liters(58X1800mm)(18/24/30/36,8liters/tube) lTankdiameter:410/460mm *Accessories:Optionalelectricheater/assistanttank *Certificate:ISO9001:2000/CEcertificate *5yearsinternationalqualityguarantee Relevant data of solar water heater Model Area(m2) Vacuumtube Volume(L) Grossweight(kg) 20GP/40GP/40HC loadingQty(sets) Ø(mm) Length(mm) Qty(pcs) WB-SWH-47/1500-15 1.87 47 1500 15 90 55 56/118/134 WB-SWH-47/1500-20 2.60 47 1500 20 120 65 47/102/116 WB-SWH-47/1500-25 3.25 47 1500 25 150 82 38/74/82 WB-SWH-47/1500-30 3.75 47 1500 30 180 88 34/70/78 WB-SWH-58/1800-15 1.97 58 1800 15 150 46 48/100/116 WB-SWH-58/1800-20 3.70 58 1800 20 200 71 32/68/72 WB-SWH-58/1800-25 4.75 58 1800 25 250 81 25/52/62 WB-SWH-58/1800-30 5.60 58 1800 30 300 98 22/46/52