Solar Water Heater vacuum tube

Solar Water Heater vacuum tube

original price: 1,60 USD
China
Production capacity:
20000 Piece / Day
China
Company
86-573-87862858
13806709760
Yuexiang Zha
Contact person

Basic Information

Solar Water Heater vacuum tube 1.CE,ISO9001,CCC 2.USD 1.7-3 per pc 3. 15Years Warranty for vacuum tube StrucureAll-glass concetric dual tube geometrGlass materialBorosilicate glassOuter lube biameter and lengthφ=47 ±0.7mm& =1.5mφ=58 ±0.7mm& =1.8mφ=70 ±0.7mm& =2mφ=47 ±0.7mm& =1.5mLnner lube diameter and lengthφ=47 ±0.7mm &=1.8mφ=58 ±0.7mm& =2mGtaded Al-N/Al solar selectuve absorbing coatingConstructionAbsorbingMothod to depositionDC reactive sputteringCoatingAbsorptance>91%PropertiesEmittance<8%(80)VacuumP<5×10-3paStagnation parameter≥230M²/KWSolar radiance exposure for obtaining a preset water temperature≤2.8MJ/M2Average heat loss coefficient≤0.8W/(M3)Lifetime15 years

Delivery terms and packaging

Packaging Detail: carton with foam inside and shrinkable tape outside.. Delivery Detail: 15 DAYS AFTER RECEVING DEPOSIT
Port: ningbo or shanghai

Payment term

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