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        Feature:1. Using high efficient metal glass vacuum tubes consist of a single glass tube. Due to the curved aluminium plate coated with Al-N-O selective coating inside the tube and the copper heat pipe be attached, metal glass vacuum tube own a high efficient absorption, perfect heat conduction and low heat capacity;2. Suitable for regions where water quality is unfavorable . The system has been designed to ensure that the condenser or 'heat exchanger' at the top of each solar tube never comes into direct contact with the water circulating in the system, while assuring a highly efficient heat transfer process.3. The high quality insulation in the manifold ensures minimal heat loss.  4. High durability and reliability, due to the high quality of the materials used in the manufacturing process.5. High performance, even in adverse weather conditions due to vacuum insulation;6. Ease of installation - each tube can be installed individually;7. Minimum maintenance requirement - a single tube can be replaced at a time.8. Each system is secured to the roof by means of stainless steel fixing brackets. In the case of a flat roof, a stainless steel frame is available to set the collector to an optimum angle.9. Applications range from simple domestic hot water supply to commercial and industrial heating and coolingSpecification:1. Manifold casing: aluminium-alloy / aluminium /stainless steel;2. Frame material : stainless steel/ aluminium-alloy/galvanized steel;3. Header pipe: red copper; 4. Insulation: rock wool;5. Glass tube: 70mm*1700mm metal glass vacuum tube;6. Rubber seals and rings: silicone rubber;7. Maximum operating pressure: 8bar - 116psi8. Stagnation temperature: 190 Celsius degree;9. Conversion factor: ho = 0.717;  Loss coefficients: a1 = 1.52, a2 = 0.0085

        Feature:1. Using high efficient metal glass vacuum tubes consist of a single glass tube. Due to the curved aluminium plate coated with Al-N-O selective coating inside the tube and the copper heat pipe be attached, metal glass vacuum tube own a high efficient absorption, perfect heat conduction and low heat capacity;2. Suitable for regions where water quality is unfavorable . The system has been designed to ensure that the condenser or 'heat exchanger' at the top of each solar tube never comes into direct contact with the water circulating in the system, while assuring a highly efficient heat transfer process.3. The high quality insulation in the manifold ensures minimal heat loss.  4. High durability and reliability, due to the high quality of the materials used in the manufacturing process.5. High performance, even in adverse weather conditions due to vacuum insulation;6. Ease of installation - each tube can be installed individually;7. Minimum maintenance requirement - a single tube can be replaced at a time.8. Each system is secured to the roof by means of stainless steel fixing brackets. In the case of a flat roof, a stainless steel frame is available to set the collector to an optimum angle.9. Applications range from simple domestic hot water supply to commercial and industrial heating and coolingSpecification:1. Manifold casing: aluminium-alloy / aluminium /stainless steel;2. Frame material : stainless steel/ aluminium-alloy/galvanized steel;3. Header pipe: red copper; 4. Insulation: rock wool;5. Glass tube: 70mm*1700mm metal glass vacuum tube;6. Rubber seals and rings: silicone rubber;7. Maximum operating pressure: 8bar - 116psi8. Stagnation temperature: 190 Celsius degree;9. Conversion factor: ho = 0.717;  Loss coefficients: a1 = 1.52, a2 = 0.0085

        Feature:<BR>1.&nbsp;Using a high efficiency heat pipe and heat transfer fin design to conduct the heat from within the all glass vacuum tube up to the header;<BR>2.&nbsp;Due to the vacuum between the two glass tubes, conductive and convective heat loss are eliminated;<BR>3.&nbsp;The tube is 100% glass, the problem with loss of vacuum due to a broken seal is greatly minimized, therefore, these tubes perform very well in overcast conditions as well as low temperatures;<BR>4.&nbsp;The evacuated heat pipes used in Lotusino solar collectors have a boiling point of only 30 Celsius degree (86 Fahrenheit degree) which leads to its rapid heat transfer and excellent low temperature performance;<BR>5.&nbsp;Due to the cylindrical absorber area, which passively tracks the sun throughout the day, Lotusino collector have a&nbsp; stable solar conversion all day;<BR>6.&nbsp;Suitable for mains pressure water (up to 8 bar/116psi);<BR>7.&nbsp;Easy plug-in installation;<BR>8.&nbsp;The perfect solar collector for domestic solar water heater systems, also ideal for commercial solar water heating applications.<BR>Specification:<BR>1.&nbsp;Manifold (interior): red copper;<BR>2.&nbsp;Manifold (exterior): aluminum alloy;<BR>3.&nbsp;Insulation: rock wool;<BR>4.&nbsp;Glass tube dimensions: 47mm * 1.5m;<BR>5.&nbsp;Coating of vacuum tube: ALN/AIN-SS/CU OR AL-N-AL;<BR>6.&nbsp;Heat preservation: 72 hrs;<BR>7.&nbsp;Hail resistance: 25mm;<BR>8.&nbsp;Heat pipe : anti-freezing &gt; -35 degree<BR>

        Feature:<BR>1.&nbsp;Using a high efficiency heat pipe and heat transfer fin design to conduct the heat from within the all glass vacuum tube up to the header;<BR>2.&nbsp;Due to the vacuum between the two glass tubes, conductive and convective heat loss are eliminated;<BR>3.&nbsp;The tube is 100% glass, the problem with loss of vacuum due to a broken seal is greatly minimized, therefore, these tubes perform very well in overcast conditions as well as low temperatures;<BR>4.&nbsp;The evacuated heat pipes used in Lotusino solar collectors have a boiling point of only 30 Celsius degree (86 Fahrenheit degree) which leads to its rapid heat transfer and excellent low temperature performance;<BR>5.&nbsp;Due to the cylindrical absorber area, which passively tracks the sun throughout the day, Lotusino collector have a&nbsp; stable solar conversion all day;<BR>6.&nbsp;Suitable for mains pressure water (up to 8 bar/116psi);<BR>7.&nbsp;Easy plug-in installation;<BR>8.&nbsp;The perfect solar collector for domestic solar water heater systems, also ideal for commercial solar water heating applications.<BR>Specification:<BR>1.&nbsp;Manifold (interior): red copper;<BR>2.&nbsp;Manifold (exterior): aluminum alloy;<BR>3.&nbsp;Insulation: rock wool;<BR>4.&nbsp;Glass tube dimensions: 47mm * 1.5m;<BR>5.&nbsp;Coating of vacuum tube: ALN/AIN-SS/CU OR AL-N-AL;<BR>6.&nbsp;Heat preservation: 72 hrs;<BR>7.&nbsp;Hail resistance: 25mm;<BR>8.&nbsp;Heat pipe : anti-freezing &gt; -35 degree<BR>

        Feature:<BR>1.&nbsp;Using a high efficiency heat pipe and heat transfer fin design to conduct the heat from within the all glass vacuum tube up to the header;<BR>2.&nbsp;Due to the vacuum between the two glass tubes, conductive and convective heat loss are eliminated;<BR>3.&nbsp;The tube is 100% glass, the problem with loss of vacuum due to a broken seal is greatly minimized, therefore, these tubes perform very well in overcast conditions as well as low temperatures;<BR>4.&nbsp;The evacuated heat pipes used in Lotusino solar collectors have a boiling point of only 30 Celsius degree (86 Fahrenheit degree) which leads to its rapid heat transfer and excellent low temperature performance;<BR>5.&nbsp;Due to the cylindrical absorber area, which passively tracks the sun throughout the day, Lotusino collector have a&nbsp; stable solar conversion all day;<BR>6.&nbsp;Suitable for mains pressure water (up to 8 bar/116psi);<BR>7.&nbsp;Easy plug-in installation;<BR>8.&nbsp;The perfect solar collector for domestic solar water heater systems, also ideal for commercial solar water heating applications.<BR>Specification:<BR>1.&nbsp;Manifold (interior): red copper;<BR>2.&nbsp;Manifold (exterior): aluminum alloy;<BR>3.&nbsp;Insulation: rock wool;<BR>4.&nbsp;Glass tube dimensions: 47mm * 1.5m;<BR>5.&nbsp;Coating of vacuum tube: ALN/AIN-SS/CU OR AL-N-AL;<BR>6.&nbsp;Heat preservation: 72 hrs;<BR>7.&nbsp;Hail resistance: 25mm;<BR>8.&nbsp;Heat pipe : anti-freezing &gt; -35 degree<BR>

        Feature:<BR>1.&nbsp;Using a high efficiency heat pipe and heat transfer fin design to conduct the heat from within the all glass vacuum tube up to the header;<BR>2.&nbsp;Due to the vacuum between the two glass tubes, conductive and convective heat loss are eliminated;<BR>3.&nbsp;The tube is 100% glass, the problem with loss of vacuum due to a broken seal is greatly minimized, therefore, these tubes perform very well in overcast conditions as well as low temperatures;<BR>4.&nbsp;The evacuated heat pipes used in Lotusino solar collectors have a boiling point of only 30 Celsius degree (86 Fahrenheit degree) which leads to its rapid heat transfer and excellent low temperature performance;<BR>5.&nbsp;Due to the cylindrical absorber area, which passively tracks the sun throughout the day, Lotusino collector have a&nbsp; stable solar conversion all day;<BR>6.&nbsp;Suitable for mains pressure water (up to 8 bar/116psi);<BR>7.&nbsp;Easy plug-in installation;<BR>8.&nbsp;The perfect solar collector for domestic solar water heater systems, also ideal for commercial solar water heating applications.<BR>Specification:<BR>1.&nbsp;Manifold (interior): red copper;<BR>2.&nbsp;Manifold (exterior): aluminum alloy;<BR>3.&nbsp;Insulation: rock wool;<BR>4.&nbsp;Glass tube dimensions: 58mm * 1.8m ;<BR>5.&nbsp;Coating of vacuum tube: ALN/AIN-SS/CU OR AL-N-AL;<BR>6.&nbsp;Heat preservation: 72 hrs;<BR>7.&nbsp;Hail resistance: 25mm;<BR>8.&nbsp;Heat pipe : anti-freezing &gt; -35 degree<BR>

        Feature:<BR>1.&nbsp;Using a high efficiency heat pipe and heat transfer fin design to conduct the heat from within the all glass vacuum tube up to the header;<BR>2.&nbsp;Due to the vacuum between the two glass tubes, conductive and convective heat loss are eliminated;<BR>3.&nbsp;The tube is 100% glass, the problem with loss of vacuum due to a broken seal is greatly minimized, therefore, these tubes perform very well in overcast conditions as well as low temperatures;<BR>4.&nbsp;The evacuated heat pipes used in Lotusino solar collectors have a boiling point of only 30 Celsius degree (86 Fahrenheit degree) which leads to its rapid heat transfer and excellent low temperature performance;<BR>5.&nbsp;Due to the cylindrical absorber area, which passively tracks the sun throughout the day, Lotusino collector have a&nbsp; stable solar conversion all day;<BR>6.&nbsp;Suitable for mains pressure water (up to 8 bar/116psi);<BR>7.&nbsp;Easy plug-in installation;<BR>8.&nbsp;The perfect solar collector for domestic solar water heater systems, also ideal for commercial solar water heating applications.<BR>Specification:<BR>1.&nbsp;Manifold (interior): red copper;<BR>2.&nbsp;Manifold (exterior): aluminum alloy;<BR>3.&nbsp;Insulation: rock wool;<BR>4.&nbsp;Glass tube dimensions: 58mm * 1.8m / 47mm * 1.5m;<BR>5.&nbsp;Coating of vacuum tube: ALN/AIN-SS/CU OR AL-N-AL;<BR>6.&nbsp;Heat preservation: 72 hrs;<BR>7.&nbsp;Hail resistance: 25mm;<BR>8.&nbsp;Heat pipe : anti-freezing &gt; -35 degree<BR>

        Feature:<BR>1.&nbsp;Using a high efficiency heat pipe and heat transfer fin design to conduct the heat from within the all glass vacuum tube up to the header;<BR>2.&nbsp;Due to the vacuum between the two glass tubes, conductive and convective heat loss are eliminated;<BR>3.&nbsp;The tube is 100% glass, the problem with loss of vacuum due to a broken seal is greatly minimized, therefore, these tubes perform very well in overcast conditions as well as low temperatures;<BR>4.&nbsp;The evacuated heat pipes used in Lotusino solar collectors have a boiling point of only 30 Celsius degree (86 Fahrenheit degree) which leads to its rapid heat transfer and excellent low temperature performance;<BR>5.&nbsp;Due to the cylindrical absorber area, which passively tracks the sun throughout the day, Lotusino collector have a&nbsp; stable solar conversion all day;<BR>6.&nbsp;Suitable for mains pressure water (up to 8 bar/116psi);<BR>7.&nbsp;Easy plug-in installation;<BR>8.&nbsp;The perfect solar collector for domestic solar water heater systems, also ideal for commercial solar water heating applications.<BR>Specification:<BR>1.&nbsp;Manifold (interior): red copper;<BR>2.&nbsp;Manifold (exterior): aluminum alloy;<BR>3.&nbsp;Insulation: rock wool;<BR>4.&nbsp;Glass tube dimensions: 58mm * 1.8m / 47mm * 1.5m;<BR>5.&nbsp;Coating of vacuum tube: ALN/AIN-SS/CU OR AL-N-AL;<BR>6.&nbsp;Heat preservation: 72 hrs;<BR>7.&nbsp;Hail resistance: 25mm;<BR>8.&nbsp;Heat pipe : anti-freezing &gt; -35 degree<BR>