CE, ISO, Keymark, five years warrranty, 6years export experience, manufacturer since 2000 Contact us
Product Description
QAL-LG-18
Detailed Product Description
Features:
1) Stable and reliable performance and well wind resistance
2) Vacuum heat-collecting tubes at high temperature
3) Dual-purpose brackets for both flat and inclined roof
4) Meeting the demand of well-to-do families
5) Economical goods
Specifications:
1) Thickness of bracket: 1.5mm
2) Heat-pipe vacuum tube: 58 mm x 1.8m
3) Inner tank: SUS304-2B food grade stainless steel
4) Outer tank: Silver stain steel
5) Capacity: 100/130/150/180/210/240/300/400L
6) Insulating layer thickness: 55 - 60mm
7) Inner tank thickness of: 0.4 - 0.5mm
8) Tank diameter: 460mm
9) Pressure: 0PA
10) Heat preservation: 72hrs
11) Hail resistance: 25mm
| Description | Non-pressure solar water heater |
| Material of out tank | 0.4mm SUS304-2B food grade stainless steel |
| Material of inner tank | 0.4mm Silver satin steel |
| Tank insulating layer | 55mm high-density polyurethane foamed |
| Inlet and outlet hole | Male G 1/2, 3/4 |
| Max pressure | 0.05 Mpa |
| Solar collector tube | 3.3 Borosilicate glass with N/Al coating |
| Thickness of glass tube | 1.6mm |
| Vacuum tube tightness | P< =0.005 Pa |
| Absorption | as=0.93-0.96(AM1.5) |
| Emission ratio | 0.04-0.06(80C+-5C) |
| Idle sunning property parameters | Y=220~260m2. C/KW |
| Average heat loss coefficient | ULT=0.6~0.7W/(m2. C) |
| Bracket: | 1.5mm thickness Galvanized Steel |
| Structure of tank: | 5 holes for air vent, overflow, water inlet and outlet, electric heater |
| Welding: | Argon arc welding |
| Fastening pieces: | Made of stainless steel screw |
| Tube quantity | 18 tube 58x1, 800mm |
| Tank capacity | 180L |
From its early beginnings in 2000 Redao (originally called Alinsidun Technologies) is a designer and manufaturer of solar water heating prodcts in China. All of our products are designed to ensure robust performance over a long lifespan. All Redao products are complied with CE, ISO9001-2008.
With our dedicated and experienced team, our specialised manufacturing base, as well as the continued focus on technical solutions and customer service, we are sure that Redao will remain the supplier of choice for many throughout the coming years.
Redao strives to maximize production outputs and quality using the very lastest in manufacturing techniques, and uses equipment with proven reliability and the flexibility to adapt to fast changing requirements of customers. If you are interested in Redao water heater system, please feel free to call us.
Redao brief profile:
2000>Alinsidun establish, the former name of Redao. Production of solar water heater tank begins.
2001>Alinsidun develop its first solar water heater. Rush production begins.
2002>Alinsidun opened sales and distribution office in Shanghai, China.
2003>Alinsidun was awarded "Observing contract & Valuing Credit Star factory" by Zhejiang Quality Examinations and Appraisal Center.
2004>Export production begins.
2005>Alinsidun observed Good Quality control system by Chinese Product Quality Management center. At the same time, Alinston became the mumber of China Solar water Quality Control System.
2006>Alinsidun was awarded "China Solar Water Heater Most Famous Brand" by China Product Quality Management Center.
2007>Alinsitun complied with the Quality Assurance Requirements of ISO 9001-2000
2011>Redao became the company name instead of Alinston, and Redao solar water heaters complied with CE certification. In Aprial, Redao complied with ISO 9001-2008.
2012>QAL mark registered.
