SALE Vacuum tubeΦ58*1800/Φ58*2100/Φ70*2000 three-targets vacuum tubeInner TankSUS-304 Stainless steel (Food grade, 0.41mm)Outer TankSUS-304 Stainless steel (0.31mm)/ color steel(0.5mm)Tank diameter460mmThermal insulation layerPolyurethane foamPressureUnpressurizedCirculation typeDirect/Open loopConnection typeDirect-PlugHeating systemThermosyphon(Passive, absorb efficiency over97%)InstallationFree standingVolume65L/80L/95L/120L/145L/160L/190L/240LVacuum degree10^-4Idle sunning property parametersY≥210M^2·℃/KWWorking conditionDaily solar energy≥13Mj/m² Annual solar energy≥4200Mj/m²Certification and warrantyCE, ISO9001 5 years
SALE2
Service & FAQ
Our Service1.Inquiry Response: Your Inquiry will be replied within 24 Hours2.Sample Order:3--7 Days for sample order3.Can do OEM Basing on your detailed Request FAQ
1. Q:Are you a manufacturer or a trade company?
We are a manufacturer, we have our own production line.
2. Q:Can you do OEM business?
Yes, we can do OEM business and we have over 5 years OEM experiences.
3. Q:Can you provide sample for quality reference?
Yes, we do provide samples for our customers.
4. Q:Do you have a quality warranty, how long it is?
Yes, we have a quality warranty for 5 years, we will provide 10 more tubes for each 1000 tubes order to make up the wastage. (quality warranty doesn’t contain damage from natural hazard and human factors.)