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AQSIQ: 95.4 percent of sampling glass vacuum solar heat-collecting tubes is qualified

Post Time:Jul 15,2008Classify:Industry NewsView:335

AQSIQ has recently taken a quality control and supervision on glass vacuum solar heat-collecting tubes in Beijing, Hebei, Jiangsu, Zhejiang, Anhui and Shandong, covering 64 varieties of products (excluding products for export) in 48 firms. The sampling percent of pass is 95.4%

The main quality issues are: unqualified average heat loss coefficient, high average heat loss coefficient of vacuum tube, poor performance of vacuum-tube insulation, and so on.

Among them, vacuum quality, anti-mechanical impact, capacity to absorb radiation from the sun and length variation of QB-AL-N/AL-37/47-1500-1 vacuum heat-collecting tube from Yangzhou Hanjiang Jinsheng Energy Equipment Factory, and average heat loss coefficient, length variation and pressure resistance of φ58×1800 vacuum heat-collecting tube from Weifang Mingxu Solar Energy Co., Ltd. are not qualified.

On the account of the issues, AQSIQ has instructed all the quality supervision departments to deal with the enterprises of which the product quality are not passed in sampling in strict accordance with the Product Quality Law and other relevant laws and regulations, and make the deadline for correction.

Source: GlassInChinaAuthor: admin

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