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47*1500mm High boronsilicon glass tube

  • 47*1500mm High boronsilicon glass tube
  • 47*1500mm High boronsilicon glass tube

47*1500mm High boronsilicon glass tube

    Productivity: 5 million pieces annually
    Brand: Linuo Ritter International
    Place of Origin: China
    Supply Ability: 20000 pieces per day
    Certificate: Solar Keymark, CE,ISO9001,ISO14001,OHSAS18001

Basic Info

Model No.: 47*1500mm

Product Description

An evacuated tube is two glass tubes, one within the other, joined at each end. The space between these tubes is evacuated so the space is under a vacuum seal. Vacuums are excellent insulators (think thermos.) The inner tube is coated with a selective coating that converts light into heat.

Guaranteed for fifteen years (the longest warranty on the market) Linuo tubes are made from high quality borosilicate glass and are fused together. This provides an all glass seal. The Linuo evacuated tube uses a unique three layer selective coating instead of the standard single al-n/al coating. It consists of an infrared emission layer, an absorption layer and an anti-reflective layer, giving a much improved performance.


1. Total length of scuff on out tube should be less than 1/3 of length of tube.

2.Inner Tube Support: Support be of the same color and installled in approrite possition

3. Absorption ≥91%

4. Emission ≤ 5.9%

5. Thickness =1.6mm

6. Weight : 2KG

7. Average Heat Loss Coefficient :U=0.51W/(m.℃)

8. Stagnation Coefficient: Dia 58mm: H≤4.5MJ/㎡

9. Solar Exposure Coefficient: 238㎡.℃/KW

10. Glass Transmittance: 0.920(AM1.5)

11. Vaccum :P≤5.0*10-2pa

Glass Tube

Linuo Ritter International Co.,Ltd

 Linuo Ritter International Co., Ltd., which focuses on global business of renewable energy, is a subsidiary of Linuo Paradigma -- the first Sino-German joint venture in solar thermal market and one of the industry-leading companies in China. Since the establishment in 2001, Linuo Paradigma has always held up to the philosophy of Solar Energy Changes Lives, and has devoted itself to the energy structure revolution leaded by Solar Energy. After 15 years' focus on development and applications of distributed renewable energy, Linuo Paradigma has walked from basic vacuum tubes and domestic solar water heater manufacture to R&D on world-leading CPC collector with German Ritter Gruppe, and then to turnkey solution supplier of renewable hot water, heating and cooling. Depending on the cooperation with Shanghai Jiaotong University, Linuo Paradigma expanded businesses to air-source heat pump in 2012, and promoted a complementary distributed renewable energy system with integration of solar system and air source heat pump. In the aim of spread its solar dream around the world, Linuo Paradigma has started oversea business since 2005 and established Linuo Ritter International in 2010 to provide better service for global market. Linuo Ritter International now provides service to customers in more than 40 countries worldwide, and has exported more than 1 million sq solar thermal products to overseas market. We are sure that our success rests upon long-term relationships with our customers, employees and partners, which is built on respect, trust and commitment. Achieve sustainable development by using alternative energy!

Company Info

  • Company Name: Linuo Ritter International Co.,Ltd
  • Product/Service: Solar Water Heaters , Solar Collector , Solar Vacuum Tube , Heat Pump Water Heater , Solar Hot Water Heating , Solar Products
  • Capital (Million US $): 300,000USD
  • Year Established: 2001
  • Total Annual Sales Volume (Million US $): Above US$100 Million
  • Export Percentage: 21% - 30%
  • Total Annual Purchase Volume (Million US $): Above US$100 Million
  • No. of Production Lines: 6
  • No. of R&D Staff: 31 -40 People
  • No. of QC Staff: 21 -30 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): 50,000-100,000 square meters
  • Factory Location: Jinan City, Shandong Province, China
  • Contact Person: Mr. Guo
  • Tel: 86-531-88729112
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