Product Name: Solar Water Heater Heating System Model NO.: CNP-58 Certification: CE, ISO9001, CCC Composition: Tank Insulation Collector Components: Glass Vacuum Tube Interior Material: Stainless Steel Pressure: Unpressurized Structure: Compact Type Max. Capacity: >200L Capacity: 100L 150L 200L 240L 300L Trademark: OEM/QIRUI Transport Package: Standard Export Carton Specification: 50L to 500L Origin: China HS Code: 841919100 Product Description Unpressurized Vacuum Tube Solar Water Heater with CE CertificationThe Cheapest Price& Highest Efficiency type solar water heaterA Home Comfort solar water heater system that utilise the free energy from the sun.1), cheap and reliable hot water solution2), direct heating, the highest efficiency model3, 1% spare parts freely offerd4),CE, SOLAR KEYMARK EN12976 certified solar water heater system5),Factory price6), Factory audited by SGS.1.Vacuum Tube Solar Water Heater Work Principle:Through a thermo-siphon effect (in which hot water rises), hot water circulates between the collectors and the water tank while there is sun and is stored at the end of the day in an insulated tank.2.Vacuum TubeSolar Water Heater Features1) Higher efficiency than Flat plate solar water heater2)Operated completely automaticif connect with intelligent controller.3)Simple structure, easy plug-in installation, can be installed both onflat and inclined roof.4)Hot water every day, with an auxiliary built-in electric heater as back up power.5)72 hours heat preservationensured by one-off molding polyurethane foam with thickness 55mm.6)Food gradeSUS304-2B stainless steelinner tank, meet the mankind healthy bath standard.7) Eco-friendly and energy saving product.8) Stable and reliable performance, well wind resistance.9) Widely used in Europe, North America, Mexico, South Africa market.10) More than10 years life time11) Directly hot water or Pressurized close loop(heat exchanger) solar hot water system3.Vacuum TubeSolar Water Heater Loading and PackageSOLAR WATER HEATERPackage details:poly bag wrapped, Styrofoam underlay, export carton packed.4. CompactVacuum TubeSolar Water Heater Product Details(20'GP container, 40'GP container, 40'HQ container)ModelTube SpecificationCapacityLoading quantity20'GP40'GP40'HQ(Liter)(Sets)(Sets)(Sets)CNP-58-5Φ58mm*1800mm50110227265CNP-58-8Φ58mm*1800mm8091189222CNP-58-10Φ58mm*1800mm10073151178CNP-58-12Φ58mm*1800mm12064133155CNP-58-15Φ58mm*1800mm15053110130CNP-58-18Φ58mm*1800mm1804594110CNP-58-20Φ58mm*1800mm2004185100CNP-58-24Φ58mm*1800mm240367588CNP-58-30Φ58mm*1800mm300285970CNP-58-32Φ58mm*1800mm320275666CNP-58-34Φ58mm*1800mm340255362CNP-58-36Φ58mm*1800mm360245059CNP-58-50Φ58mm*1800mm500183845MATERIAL OF OUTER TANK0.4mm galvanized steel/SUS304 stainless steel/SUS304-BA(bright)MATERIAL OF INNER TANK0.41mm SUS304-2B or SUS316 stainless steeelTANK INSULATINGLAYER50mm high-density polyurethane foamedDIAMETER OUTER/INNER TANK420/310mm; 460/360mm; 470/360mm; 480/360mmELECTRICAL HEATER1.5KW/2.5KW /3KW, 220v/110vINLET AND OUTLET HOLEMale 1/2" OR 3/4"MAX WORKING PRESSURE0.6 MpaVACUUM TUBE COATEDAL/AL-ALN/ALN or CU/SS-ALN/ALNTHICKNESS OF GLASS TUBE1.6mmVACUUMTUBE TIGHTNESSP≤0.005 paABSORPTIonAs=0.93-0.96(am1.5)EMISSIONRATIOΕ h=0.04-0.06(80c± 5c)IDLE SUNNING PROPERTYPARAMETERSY=220~260m². C/kwAVERAGE HEAT LOSS COEFFICIENTUlt=0.6~0.7w/(m2. c)BRACKET:1.2mm Stainless steel/1.6mm aluminum alloy/1.5mm galvanized steelWELDING:Automatic argon arc weldingFASTENING PIECES:Stainless steel screwSEAL MATERIALStabilized high temperature silicon