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Quick Details

  • Type: Evacuated Tube
  • Pressure: Unpressurized
  • Circulation Type: Direct / Open Loop (Active)
  • Heating System: Thermosyphon (Passive)
  • Connection Type: Direct-Plug
  • Installation: Freestanding
  • Housing Material: Color steel
  • Certification: CE, SABS ISO9001 CCC SGS
  • Capacity: 210
  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: Suntask or OEM
  • Model Number: ST21-180
  • Name: Solar Hot Water Geyser
  • Application: For Bathroom
  • Tri-Element Vacuum Tube: 58*1800mm*21Pc
  • Outer Tank: PVDF / Color steel /stainless steel
  • Inner Tank: SUS304 Stainless Steel
  • Insulation: Polyurethane Foam 50mm
  • Hail resistance: 25mm

Packaging & Delivery

Packaging Details Cartons /wooden pallet /wooden box
Delivery Time About 15 days

 

Color Steel Unpressurized Solar Water Heater Compact Solar Hot Water Geyser 58*1800MM Three Target Vacuum Tube ST21-180

 

SABS, Compact solar geyser, solar geyser for South Africa, SABS South Africa, SABS Solar Water Heater, Compact Non Pressure Solar Geyser, Unpressurized Solar Water Heater

 


1. Designed for South Africa
2. Inner tank: SUS304 Stainless Steel
3. Outer tank: PVDF / Color steel /stainless steel

4. Frame: Aluminum alloy / Galvanized steel

5. Capacity: 150-360L

6. Heat preservation: 60-72h
7. Hail resistance: 25mm

Storage Tank

Inner Tank

SUS304-2B food grade stainless steel

Inner Tank Thickness

0.4mm

Outer Tank

PVDF 0.4mm which is good at anti corrosion

Insulating Layer

Polyurethance Foam 50mm

Vacuum Tube

Material of the glass tube

Borosilicate glass

Absorptive Coating

Grade ALN/AIN-SS/CU

Length of Outer Tube

1800mm

Length of Inner Tube

1755mm

Outer Tube Diameter

58mm

Inner Tube Diameter

47mm

Glass Thickness

1.6mm

Distance between two tubes 

75mm

Thermal Expension

3.3*10-6/ºC

Absorption coefficient 

95± 1 %

Thermal emsision coefficient

5 ± 1 %

Vacuum

P≤5.0*10-3 Pa

Stagnation Temperature

>200°C

Average heat loss

<0.8w/ m2.°C

Maximum strength

0.8Mpa

Resist hailstone

Φ25mm

Resist wind

30m/s

Support Frame

Material

Galvanized Steel 

Thickness

1.5mm

Angle

45°/38°/25°

Lifetime

15 years

 


Super Anti-erode outer tank: Outer tank is made by PVDF. Best anti-erode material. Especially for the seaside area, such as East South Asia etc.
Feeding water automatic: With special design, feeding water automatic,
and ensure the outlet water as stable temperature.

 

 

 

 

 

 

 

 

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