This standard specifies the terms and definitions, classification and marking, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage and quality commitments of central air-conditioning vents. This standard applies to the air outlets and air inlets (referred to as air outlets) installed and used in central air-conditioning systems.
T/ZZB 1296-2019 history
2019T/ZZB 1296-2019 Air outlets and inlets for central air conditioning