125mm/137mm duża średnica trzy cel słoneczny rurki próżniowej

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October 07, 2023
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Discover the high-performance 125mm/137mm big diameter three-target solar vacuum tubes from Longpu. These tubes feature advanced three-target magnetron sputtering coating technology, ensuring durability even at 400°C. Perfect for solar water heaters, cookers, and collectors, they maximize solar energy absorption with Borosilicate Glass 3.3 construction.
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