This standard specifies the terms and definitions, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, and quality commitments of expansion kettles for automobile engine cooling (hereinafter referred to as expansion kettles). This standard applies to expansion bottles in various automotive engine cooling systems.
T/ZZB 1136-2019 history
2019T/ZZB 1136-2019 Coolant expansion tank of automotive engine