Duda Double Water Tank Non-Pressurized Solar Water Heater

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 1 Set set

Supply Capability:: 5000 Sets per Month set/month

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Double water tank Non-pressurized solar water heater

even 1 pcs. paypal acceptable.

Non-pressurized Solar Water Heater TECHNICAL DATA
WATER STORAGE TANKS SPECIFICATION
Material of out tank	High quality Painted steel/ Stainless steel.
Material of inner tank	Food grade SUS304-2B stainless steel.
Tank insulating layer	Imported polyurethane can conserve the heat for maximum 72 hours
Inlet and outlet hole	Male G 1/2
Tank size	420,460,470,475,480,500mm or Customer demand
Welding:	Argon arc welding
EVACUATED VACUUM TUBES SPECIFICATION
Tube structure	All-glass double deck co-axial structure
Glass material	High borosilicate 3.3 glass
Outer tube dia. & thickness	Ø58±0.7mm; Glass thickness 1.6±0.15mm
Inner tube dia.& thickness	Ø47±0.7mm; Glass thickness 1.6±0.15mm
Tube size	58*1800mm
Absorptive coating property	Structure	AL/AL-ALN(H)/AL-ALN(L)/ALN or Cu/SS-ALN(H)/SS-ALN(L)/ALN
	Sediment method	Single target or Three targets - magnetron sputtering plating
	Specific absorption	0.90-0.93(AM1.5) / 0.93-0.96(AM1.5)
	Emission ratio	0.05-0.075(800C±50C) / 0.04-0.06(800C±50C)
Solar irradiation for obtaining a preset water temperature	Φ=58 H≤4.7MJ/m²	H=4.1-4.4MJ/m² / H=3.7-4.2MJ/m²
Vacuum tightness	5.0×10¯³ Pa
Idle sunning property parameters	220-260 m².C/KW / 260-300 m².C/KW
Average heat loss coefficient	ULT=0.6~0.7W/(M2.0C) / ULT=0.4~0.6W/(M2.0C)
Resistant Hail	≤25mm
Useful life	15 years
BRACKET
Bracket:	Stronger galvanized steel / Stainless steel/aluminium alloy
Bracket angle:	0,18,22,38,45 optional, pitched roof, flat roof optional.
Fastening pieces:	Made of zinc-coated stainless steel..
MODEL No.	Tube Size	Tube No.	Tank Capacity	Aperture Area	Reommending for family	Load Qty 20GP/40HQ
	Dia.*L			( m2)	(m3)	(sets)
JXNP-58-10	58*1800mm	10	100	0.93	2	77/184
JXNP-58-12	58*1800mm	12	120	1.11	2	64/153
JXNP-58-15	58*1800mm	15	150	1.39	3	52/123
JXNP-58-18	58*1800mm	18	180	1.67	4	43/102
JXNP-58-20	58*1800mm	20	200	1.86	5	39/92
JXNP-58-24	58*1800mm	24	240	2.23	6	32/77
JXNP-58-30	58*1800mm	30	300	2.79	7	26/61
JXNP-58-36	58*1800mm	36	360	3.34	8	21/51

Q: Can a solar water heater be used in combination with other water heating systems?: Yes, a solar water heater can be used in combination with other water heating systems. It can act as a supplemental or pre-heating system, reducing the workload of traditional water heating systems and saving energy costs.

Q: Can a solar water heater be used with hard water?: Indeed, hard water can be utilized in conjunction with a solar water heater. However, it is imperative to acknowledge that the presence of hard water can yield unfavorable consequences for the solar water heater's performance and lifespan. Hard water is laden with an elevated concentration of minerals like calcium and magnesium, which can amass and give rise to mineral deposits within the water heater. As time progresses, these deposits can diminish the efficiency of the solar panels and heat exchanger, leading to a reduction in heating capacity and potentially causing harm. To counteract the ramifications of hard water, it is advisable to install a water softener or a descaling system alongside the solar water heater. These systems function by eliminating or decreasing the mineral content of the water, thereby thwarting the formation of mineral deposits and guaranteeing optimal performance of the solar water heater. Additionally, it is vital to engage in regular maintenance and cleaning of the solar water heater, including system flushing and descaling as needed, when employing hard water. This practice will aid in minimizing mineral accumulation and upholding the efficiency and longevity of the system. In summary, while a solar water heater can operate with hard water, it is crucial to adopt preventive measures like installing water softeners and conducting regular maintenance to ensure peak performance and durability of the system.

Q: Can a solar water heater be used to heat a swimming pool?: Yes, a solar water heater can be used to heat a swimming pool. Solar water heaters utilize the sun's energy to heat water, and this heated water can be circulated through the swimming pool to increase its temperature. It is an environmentally friendly and cost-efficient option for pool heating.

Q: Can a solar water heater be used in areas with limited access to electricity infrastructure?: Yes, a solar water heater can be effectively used in areas with limited access to electricity infrastructure. Solar water heaters operate by harnessing the energy from the sun to heat water, eliminating the need for electricity. They consist of a solar collector, which absorbs the sun's rays and transfers the energy to the water, and a storage tank to hold the heated water. In areas where there is limited electricity infrastructure, solar water heaters offer a reliable and cost-effective solution for obtaining hot water. By relying solely on the sun's energy, they can provide hot water even in remote locations or areas with unstable electricity supply. Solar water heaters are designed to be efficient and low-maintenance. They can be constructed using simple and durable materials, making them suitable for deployment in regions with limited resources. Additionally, solar water heaters have a long lifespan, reducing the need for frequent replacements or repairs. By utilizing solar energy, these systems also contribute to reducing carbon emissions and dependence on fossil fuels. This makes them environmentally friendly and sustainable alternatives to traditional water heating methods that rely on electricity or non-renewable energy sources. Overall, solar water heaters are a viable and practical solution for areas with limited access to electricity infrastructure. They provide a reliable, cost-effective, and environmentally friendly way to obtain hot water, making them an excellent choice for off-grid or remote locations.

Q: Can a solar water heater be used in areas prone to hurricanes or typhoons?: In areas prone to hurricanes or typhoons, a solar water heater can indeed be used. However, it is of utmost importance that the system is designed and installed in a way that can withstand extreme weather conditions. Typically, solar water heaters are constructed using durable materials and can be securely mounted onto roofs or other structures to minimize the risk of damage during high winds. Regular maintenance and inspection are also crucial to identify and address any potential vulnerabilities. It is highly recommended to have a backup heating system in place in case of prolonged power outages or damage to the solar water heater. In conclusion, with careful planning and precautions, a solar water heater can serve as a reliable and sustainable option for providing hot water in hurricane or typhoon-prone areas.

Q: Can a solar water heater be used in areas with high winds?: Yes, a solar water heater can be used in areas with high winds. However, it is important to ensure that the system is properly anchored and secured to withstand the strong gusts. Additionally, selecting a durable and robust design can help minimize any potential damage caused by the high winds. Regular maintenance and inspections are also recommended to ensure the system's optimal performance even in windy conditions.

Q: Can a solar water heater be used in areas with limited access to training programs?: Yes, a solar water heater can be used in areas with limited access to training programs. Solar water heaters are relatively simple and straightforward to install and operate, requiring minimal technical knowledge. Additionally, manufacturers often provide detailed installation instructions and user manuals to assist with the setup and maintenance. In case of any difficulties, online resources and tutorials can be accessed to address any issues or questions. Therefore, limited access to training programs should not hinder the use and effectiveness of a solar water heater in such areas.

Q: What are the components of the solar water heater and what role?: system compositionThe collector: the heat collecting element in the system. The function of electric equivalent electric water heater in the tube. And the electric water heater, gas water heater is different, the solar collector is the use of the heat radiation of the sun, so the heating time are only in the sun day.The heat preservation water tank: tank insulation and electric water heater, hot water is stored container. Because the solar water heater can only work during the day and at night, people generally use hot water, it must be through the heat preservation water tank to store the collector in the daytime output hot water. Volume is every night with hot water. The amount of the sum an enamel container bearing water tank insulation, good heat insulation, corrosion resistance, water quality, service life of up to 20 years.

Q: Solar water heater is really easy to bad: Vacuum tube.Vacuum tube is the core component of solar water heater, but also the heart of the solar water heater. The performance of the vacuum tube is affected by the coating technology, such as cleaning, coating, vacuum pumping, sealing and so on. But some super low vacuum tube using the solar water heater has the following defects: low vacuum, only quality products 1/100 tube residual impurities and water vapor, a high temperatures encountered into gas, vacuum reduction; low vacuum film stability of two or three years, intimal layer aging, fall off, resulting in the thermal performance decays rapidly, unable to absorb enough heat

Q: Has anyone repaired it? What market? Know what to say: 2, if is used in water supply, it must use the non pressure solenoid valve, the pressure of the spring piece removal pressure solenoid valve in water; 3, check or replace solenoid valve connected to the power line (avoid using twisted pair -- Installation master cast trouble, some with twisted pair instead of sensor and solenoid valve the line connecting line), avoid too long, because the electromagnetic valve power supply voltage is 9-12V)

Guided by business philosophy, our company has experienced success in the three historic periods, noted as brand building, diversification and globalization. It has long attached significance to innovation in satisfying the demands of worldwide consumers and realizing win-win performance between our company and our clients.

1. Manufacturer Overview

Location	Zhejiang,China
Year Established	2006
Annual Output Value
Main Markets	North America South America Eastern Europe Africa Oceania Mid East Western Europe Central America Domestic Market
Company Certifications	ISO9001:2008;CE;CCC

2. Manufacturer Certificates

a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability

a) Trade Capacity
Nearest Port	SHANGHAI,NINGBO
Export Percentage	71% - 80%
No.of Employees in Trade Department	6-10 People
Language Spoken:	English, Chinese, Spanish, Portuguese, French, Russian
b) Factory Information
Factory Size:	5,000-10,000 square meters
No. of Production Lines	Above 10
Contract Manufacturing	OEM Service Offered Design Service Offered Buyer Label Offered
Product Price Range