_This part of GBMT7190 specifies the product classification and labeling, requirements, test methods, inspection rules, marking, packaging, transportation and storage and others of closed cooling towers. This section applies to idle cooling towers (hereinafter referred to as closed towers) whose circulating cooling water volume in a single tower is not greater than 500ms.
GB/T 7190.3-2019 Referenced Document
GB/T 13912 Metallic coatings—Hot dip galvanized coatings on fabricated iron and steel articles—Specifications and test methods*, 2020-06-02 Update
GB/T 1449 Fibre-reinforced plastic composites-Determination of flexural properties