JB/T 56080-1994 (English Version) PDF

Scope: 1.1 This standard applies to the scope specified in JB 3303 "Basic Technical Documents for Automation Systems and Components of Large and Medium-sized Hydropower Units" and JB 3305 "Type Spectrum and Symbols of Automation Components for Large and Medium-sized Hydropower Units" and has passed the appraisal or type test. Automation components for large and medium-sized hydropower units. 1.2 This standard is a unified regulation for measuring the level of enterprise product quality (including design quality and manufacturing quality). It is the basis for assessing product quality, product grading, enterprise upgrading, and product quality and price. 1.3 Product quality grades are divided into qualified products, first-class products and superior products. 1.4 The products to be randomly inspected should be officially produced products. Trial products are not included in the scope of random inspection. The varieties to be randomly inspected are any varieties produced this year. In-factory inspections of product design, process and component quality, factory test items and results, and out-of-factory inspections of component and system performance indicators. Usage can be based on the most recent (not more than two years) user service records and user opinions.

JB/T 56080-1994 history

1994 JB/T 56080-1994 Product quality classification of automation components for large and medium hydropower units