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High Quality Manufacturers Direct Solar Water Heater Water Tank Stainless Steel Evacuated Tube Free Spare Parts Vacuum Tube58*2100mm

High Quality Manufacturers Direct Solar Water Heater Water Tank Stainless Steel Evacuated Tube Free Spare Parts Vacuum Tube58*2100mm

$1.5 /piece price excl.VAT

Negotiable
Order

Minimal order
100 pieces

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Product Specifications

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Product Description

Three-target solar vacuum tube

- Key component of solar collector and solar water heater

- Coating material: Al-N/Al or SS-Al/N/Cu.

Specification

 

Absorbance rate after coating (AM1.5) α%≥94.5
Absorbance rate after evacuating (AM1.5) α%≥ 93.5
Emission rate after coating (80±5 °C) α%≤ 6
Emission rate after evacuating (80±5 °C)  α%≤ 6.5
Stagnation parameterm² °C/kW≥ 240
Solar radiance exposure MJ/m²≤ 3.0
Average heat loss coefficientW/(m²°C)≤ 0.70
Selective coating material AL-N/AL, SS-AL-N/Cu
Impact resistanceSteel Ball Test: Steel ball with diameter of 30 mm fall on the evacuatedtube vertically from 450 mm height.
Vacuum degree Pa≤ 3X10-3
PressureMpa0.6
Transparent (AM1.5)≥ 0.89 (ISO9806-1: 1994)

Company information

Linuo ritter is the whole subsidiary company of Shandong Linuo Paradigma Co., Ltd., which is one of the top 3 manufacturers in the field of solar water heater, solar collector and large scale of solar hot water system. As the first Chinese entreprise passing solar keymark, around 8 thousand large scale solar projects in over 60 countries are perfectly designed and successfully installed.

Being as the leader in the field of large scale solar hot water project, Linuo obtained over 100 patents until now. The workshops possesses 80, 000 square meters with its production capacity of 5 million sets solar water heater and 2 million square meters of solar water heating systems annually, around 8 thousand large scale solar projects in over 60 countries are perfectly designed and successfully installed at home and abroad.

National Standard Testing Center

Supply Ability

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Packaging and Shipping

Lead time

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Packaging details

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