Solar Evacuated Tubes

Produktbeschreibung

Vaucuum tubes for solar water heater, it's with excellent efficient.

We regard customer satisfaction and market cultivation as its central job of service and provides first class product and personalized service. Senior technical engineers and production backbones go deeply into the marker for investigation. And tap the potential demands of customers at the first time. We provide customers with perfect solutions.
StrucureAll-glass concentric dual tube geomer
Glass materialBorosilicate glass
Outer tube diameter and thicknessΦ =47±0.7mm & =1.5mm
Φ =58±0.7mm & =2mm
Φ =70±0.7mm & =2mm
Inter tube diameter and thicknessΦ =37±0.7mm & =1.5mm
Φ =47±0.7mm & =1.6mm
Φ =58±0.7mm & =1.6mm
Tube Length1200(±5mm)1500(±5mm)
1700-1800(±5mm)
2000(±5mm)
Absorbing
coating
properties
Configulation1200(±5mm)  1500(±5mm)
1700-1800(±5mm)
2000( ±5mm)
Mothod to depositionAL-N/A1 selective absorptive coating
absorptanceas 0.88-0.93
EmittanceΣn:-.08-0.04
Vacuump ≤ 2 × 10-3 PA
Stagnation parameterabove 250M2C/KW
Sloar rediance exposure for obtaining a preset water temperature2.8MJ/M 2
Average heat loss coefficient 0.8W(M2C)
Lifetime15years

Lieferfähigkeit

Verpackung und Versand

Vorlaufzeit:
Hafen:
Verpackungsdetails:
>=5 pieces

US 3.00-5.00

Kontakt


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