Quick Details

• Type: Solar Water Heater Parts

• Place of Origin: Shandong, China (Mainland)

• Brand Name: guangpu

• Model Number: 47mm-1500mm/ 1600mm/ 1800mm. 58mm-1500mm/ 1600mm/ 1800mm/ 2000mm/ 2100mm

Packaging & Delivery

Packaging Details:	Carton packaging, packaging specifications according to customer needs
Delivery Detail:	1-20DAYS

Specifications

Dual-target solar vacuum tubes
Absorption; high efficiency; high vacuum; thermal insulation is good; anti-aging

Structure
Entire glass double barrel coaxial structures

Material
Glass tube material: borosilicate glass 3.3

Outside diameter
Φ47±0.7mm &=1.6mm Φ58±0.7mm &=1.6mm

Internal diameter
Φ37±0.7mm &=1.6mm Φ47±0.7mm &=1.6mm

Specification length
47-1500mm/ 1600mm/ 1800mm

58-1500mm/ 1600mm/ 1800mm/ 2000mm/ 2100mm

Selective absorber coating material
Cu SS-ALN (H) /SS-ALN (L) /ALN

Solar absorption efficiency 0.90~0.95 (AM1.5)

Launch ratio 0. . 04~0.06 (80oC±5oC)

vacuum degree
P≤3.0*10¯³ (Pa)

Maximum stagnation temperature
260~300oC

Average heat loss coefficient
ULT =0.4~0.6w/ (m2. oC)

Resistance performance
Φ≤ 25mm