中国铸造协会批准发布四项团体标准，其标准名称和标准编号如下：
China Foundry Associationapproved and published four groupstandards.The standard name and standard number is as follows:
《质量分级及“领跑者”评价要求 建筑排水柔性接口铸铁管、管件及附件》T/CFA 03032— 2022
《Assessment requirements for quality grading and forerunner - Cast iron pipes, fittings and accessories with flexible interface for building》T/CFA 03032— 2022
《质量分级及“领跑者”评价要求 非开挖管道施工用球墨铸铁顶管》T/CFA 03033— 2022
《Assessment requirements for forerunner standard - Ductile iron jacking pipe for trenchless pipeling construction》T/CFA 03033— 2022
《质量分级及“领跑者”评价要求 球墨铸铁用球化剂》T/CFA 03034— 2022
《Assessment requirements for quality grading and forerunner — Nodulizer for ductile iron》T/CFA 03034— 2022
《质量分级及“领跑者”评价要求 球墨铸铁管柔性接口用橡胶密封圈 》T/CFA 03035— 2022
《Assessment requirements for quality grading and forerunner-standards—Rubber sealing rings for ductile iron pipe flexible joint》T/CFA 03035— 2022
以上标准于 2022 年 11月 01日起施行。
Above criteria onNovember1, 2022into effect.
予以公告。
