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Shandong Linuo Paradigma Co., Ltd.

Solar Collector, Pressurized Solar Collector, Vacuum Tube Solar Collector manufacturer / supplier in China, offering Pressurized U Pipe Evacuated Solar Vacuum Tube Collector, Galvainzed Bracket Non-Pressurized Solar Water Heater, Booster-Type Compact Vacuum Tube Solar Water Heater and so on.

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Pressurized U Pipe Evacuated Solar Vacuum Tube Collector

FOB Price: US $300 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $300/ Piece
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Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: U 1521
  • Application: Water Heater, Solar Thermal, Air Conditioning System, Solar Heating
  • Type: Vacuum Solar Collector
  • Pipe Material: Glass
Product Description
For water and space heating.

Pressurized U Pipe Evacuated Solar Vacuum Tube Collector
Scope of Delivery

 Fully pre-assembled unit comprising
- evacuated tubes based on the thermos flask principle
- manifold with direct flow heat conduction unit and dry tube connection
Collectors are packed in individual boxes. In addition, there is a sun protection sheet over the evacuated tubes.

Installation types
- Pitched roof, flat roof, horizontal
Advantages and benefits
- Specially developed for applications that require horizontally mounting.
- Short installation times due to complete pre-assembled collectors.
- Simple and reliable connection technology in order to extend several collectors side by side through pre-assembled screw connections. Further tubing and an extensive thermal insulation is not necessary
- Integrated return pipe and highly efficient thermal insulation.
- Manageable module sizes for a very high performance and a quick and easy installation.
- Flow and return pipes may be fitted on the left or the right side of the manifold.
- High flexibility due to the different widths and lengths of the collectors.
- Quick and easy exchange of the evacuated tubes without using any tools.

Performance characteristics
- Low pressure loss allows several modules to be connected in series
- Minimum of soldering points ensures a high leakage safety
- Well-known indestructibility of Ritter Solar tubes confirmed by the hailstone test DIN EN 12975-2
- High energy yield in the transitional period and winter
- In wintery conditions with a 400 W/m² irradiation and 0 °C air temperature at a temperature of 20 °C, Ritter Solar evacuated tube collectors already have a higher energy yield than flat collectors.
- Extremely low heat loss due to the high vacuum.
- Outstanding design.

 Series    U1521
 Number of evacuated tubes    21
 η in relation to aperture, EN 12975  %   74.5
 c1 with wind, in relation to aperture  W/(m2k)  2.007
 c2 with wind, in relation to aperture  W/(m2k2)  0.005
 Yield forecast
(location Wurzburg, Germany, reference area 3 m2)
 kWh/m2a  780
 Yield forecast
(location Wurzburg, Germany, reference area 5 m2)
  kWh/m2a  619
 Grid dimensions (length x height x depth)  m  1.45 x 1.64 x 0.10
 Gross surface area  m2  2.32
 Aperture area  m2  1.33
 Collector contents  l  2.5
 Weight  kg  51
 Max. working overpressure  bar  10
 Max. stagnation temperature.1)  °C  220
 Connection diameter, compression fitting  mm  15
 Sensor sleeve  mm 6
 Collector material  Al / Cu / glass / silicone / PBT / EPDM / TPE
 Glass tube material  borosilicate glass 3.3
 Selective absorber coating material  aluminium nitride
 Glass tube (Ø ext./Ø int./wall thickn./tube lgth.)  mm 47/37/1.6/1500
 Colour (aluminium frame profile, anodised)  aluminium grey
 Colour (plastic parts)  black
 Thermal shock test / ITW test number  06COL517
 Hailstone test according to DIN EN 12975-2 / TUV test number  435/142448
 EC type examination  Z-IS-DDK-MUC-07-08-100029919-003
 DIN CERTCO registration number  011-7S1990 R

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