T/CISA 390-2024 Quality grading and "Pioneer" evaluation requirements for steel and plastic composite pipes for fluid transportation
T/CISA 390-2024 Quality grading and "Pioneer" evaluation requirements for steel and plastic composite pipes for fluid transportation
Basic Information
Scope
Main technical content: This document stipulates the basic requirements, evaluation indicators and requirements, evaluation methods, and grade division for the quality and enterprise standard level evaluation of steel-plastic composite pipes used for fluid transmission. This document is applicable to the evaluation of the quality and enterprise standard level of plastic-lined composite steel pipes, coated composite steel pipes, and externally coated plastic composite steel pipes used for the transmission of media such as domestic drinking water, cold and hot water, drainage, rainwater, fire water, air conditioning water, and compressed air. Relevant institutions can refer to and use this document when conducting quality grading and enterprise standard level evaluation, as well as "leader" evaluation, and relevant certifications. Relevant enterprises can also refer to this document when formulating enterprise standards.