vacuum tube solar water heater - 58-1.8m /20tube

vacuum tube solar water heater, 1) High absorbance, 2) Resist the frozen weather, 3) Cu-Ss-Al absorb coating - more info check here: http://www.sourcingappliances.com/vacuum-tube-solar-water-heater-30164579/

Quick Brief

Type: Evacuated Tube Pressure: Unpressurized Circulation Type: Direct / Open Loop (Active) Heating System: Thermosyphon (Passive) Connection Type: Direct-Plug Housing Material: Other Certification: CE Place of Origin: China (Mainland) Brand Name: chaoda/oem Model Number: 58-1.8m /20tube Use: Bathroom category: vacuum tube solar water heater

Product Features:

vacuum tube solar water heater

1) High absorbance

2) Resist the frozen weather

3) Cu-Ss-Al absorb coating

Business Terms:

Price Terms:FOB,CIF,EXW

Payment Terms: T/T,Western Union,MoneyGram,L/C

Minimum Order: Negotiatable

Delivery Port: Customized

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Specifications and Product Details:

vacuum tube solar water heater:

1. Performance characteristics of insulation materials and technical parameters

Polyurethane insulation layer thickness: 70mm obturator rate: 65.69% thermal conductivity: 19.83mw/mk, and after dealing with high-temperature aging

2. Water tank and bracket

Inner water tank: SUS304 food grade stainless steel
Outer water tank: coating steel board
Bracket: thickness: 1.5mm color steel with electrostatic plastic coating

3.All-glass evacuated solar collector tube with heat pipe

Feature:

1.higher absorbance, lower emittance, dry exposure up to 300^.C and freezing resistance can up to -35^.C

2.higher effciency, more heating

Absorbance coating layout:

1). Metal reflecting layer (copper)

2). Absorbance layer (ss aluminumnitride metal ceramic)

3). Remittance reducer layer (aluminumnitride)

Material borosilicate glass 3.3

Coating Ss-C/Cu selective compound absorb coating

Absorbance ≥ 0.92

Vacuum degree ≤ 5 × 10^-3pa