T/CFA 02010202-7-2017 Drafting technical instructions for ball-type cast iron pipes, fittings, and accessories for water supply purposes
T/CFA 02010202-7-2017 Drafting technical instructions for ball-type cast iron pipes, fittings, and accessories for water supply purposes
Basic Information
Scope
Scope: This standard defines the technical documents and supporting materials that bidders must submit to the tenderers when preparing the technical documents for the tender of "ductile iron pipes, fittings, and accessories for water transmission". This standard is applicable for reference by tenderers preparing technical documents for the tender of "ductile iron pipes, fittings, and accessories for water transmission". Main technical contents: This standard clearly specifies the product technical requirements and supporting materials for the tender technical documents of ductile iron pipes, fittings, and accessories for water transmission; the sealing requirements and supporting materials for the tender technical documents; the product quality-related third-party inspection and certification requirements and supporting materials for the tender technical documents; the EHS (environmental protection, occupational health, and safety) third-party certification requirements; and the industry access requirements and supporting materials for the tender technical documents. It includes: General provisions; Wall thickness, pressure classification, and dimensional requirements; Material performance; External coating and internal lining of pipes; Coating of fittings and accessories; Marking; Factory sealing tests for pipes and fittings; Flexible interface type tests; Flange interface type tests, etc.