What is the lead time for orders?

The average lead time is within 15 workdays for both peak and off-peak seasons.

What payment terms are accepted?

We accept T/T, Western Union, and Money Gram as terms of payment.

Is this product suitable for cold weather?

Yes, the evacuated tube water heaters perform well in cold weather because the vacuum insulation prevents heat loss, unlike flat plate collectors.

Solar Vacuum Tube with Two Ends Open

Name: Solar Vacuum Tube with Two Ends Open
Brand: Changzhou Raven New Energy Technology Ltd
SKU: 1944012792

Jiangsu, ChinaChangzhou Raven New Energy Technology Ltd

US$8.00

150-599 Pieces

US$7.50

600-2,499 Pieces

US$7.20

2,500+ Pieces

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

5years

Model NO.

58/1800

Condition

New

Type

Double Vacuum Heating Tube

Certification

ISO, CE

Application

Water Heater, Solar Thermal

Pipe Material

Glass

Pressurized

Model

58/1800

Material

High Borosilicate Glass 3.3

Inner Tube

47mm Diameter, 1.6mm Thick

Outer Tube

58mm Diameter, 1.6mm Thick

Coating

Three Target, Cu/Aln-Ss/Aln

Absorption Rate

0.93

Emission Rate

0.04

Weight

2.0kgs

Transport Package

Carton

Specification

58/1800

Trademark

RAVEN NEW ENERGY

Origin

China

HS Code

84199010

Production Capacity

5000PCS/Day

Key features

High Borosilicate Glass: Made from strong glass with 47mm inner and 58mm outer tubes.

High Absorption Coating: Special selective coating achieves 0.93 absorption and 0.04 emission rates.

Cold Weather Performance: Performs well in cold weather unlike flat plate collectors due to low heat loss.

Proven Technology: Solar vacuum tubes have been successfully used for over 20 years in China.

5-Year Warranty: Comprehensive 5-year warranty coverage for new condition products.

ISO and CE Certified: Product meets international safety and quality standards with ISO and CE certification.

Fast Lead Time: Average lead time within 15 workdays for both peak and off-peak seasons.

Company profile

Changzhou Raven New Energy Technology Ltd

Jiangsu, China

Business Type: Manufacturer/FactoryExport Year: 2020-02-04Nearest Port: ShanghaiAverage Response Time: ≤7.37hTerms of Payment: T/T, Western Union, Money GramInternational Commercial Terms(Incoterms): FOB, CIF, DDP

AI-Powered supplier vetting

SummaryChangzhou Raven New Energy Technology Ltd, established in 2008, is a manufacturer based in Jiangsu, China, specializing in solar energy products. It holds an ISO 9001 certification, indicating a commitment to quality management. The company operates over 10 production lines and exports 51%-70% of its products globally, with a focus on solar thermal and PV systems. Despite limited trade transactions, the company has significant production capacity and a moderate innovation capability with 6-10 R&D engineers.

Supplier typeThe supplier is a manufacturer/factory specializing in solar energy products, located in Jiangsu, China.

CertificationsThe supplier holds an ISO 9001 certification, showcasing its commitment to high-quality management standards.

R&D capabilityThe supplier has an in-house research team and employs 6-10 R&D engineers to focus on product development and innovation.

Production capacityWith over 10 production lines and a production area of 45,000 square meters, the supplier has a strong production capability.

Customization capabilityThe supplier emphasizes customized application development in solar rooftop and thermal solutions.

Product Q&A

Q:What is the warranty period?

We provide a 5-year warranty for this new condition solar vacuum tube.

Q:What material is used for the tubes?

The tubes are made from High Borosilicate Glass 3.3, with an inner tube diameter of 47mm and outer tube diameter of 58mm.

Q:How does the vacuum insulation work?

The air between the two glass layers is pumped out to form a vacuum, which acts as an excellent insulator, preventing heat loss even at high internal temperatures.

Q:What are the absorption and emission rates?

The special selective coating features an absorption rate of 0.93 and an emission rate of 0.04 for optimal solar energy conversion.

Q:What certifications does the product have?

The product is certified with ISO and CE standards.