Foreword

According to the requirements specified in the Plan for Developing the First Group of Professional Standards in 2011（Document Number:〔2011〕No.134）issued by the Ministry of Industry and Information of the People's Republic of China，this Standard is revised by its development team based on wide and intensive investigations and studies made，practices summarized，comments requested as well as references to international codes and advanced foreign standards.

This Standard comprises 8 chapters and 2 appendixes.

Main technical contents of this Standard include the requirements for materials，design，pre-fabrication，assembly，welding，inspection，testing，acceptance，pressure and vacuum-relieving devices，and foundations，etc.

China Petrochemical Corporation（Sinopec Group）is in charge of the administration of this Standard，Sinopec Technical Center for Static Equipment Design and Engineering is responsible for its routine management，and Sinopec Engineering Incorporation is tasked for explanation of specific technical contents.If any comments and recommendations are proposed in implementation of this Standard，please send your comments/recommendations to the routine maintenance organization and chief development organization.

Routine Management Organization:

　　　　　　Sinopec Technical Center for Equipment Design and Engineering

　　　　　　Address:Bldg.21 Anyuan，Anhui Bei Li，Chaoyang District，Beijing

　　　　　　Postcode:100101

　　　　　　Tel:010-84877513

　　　　　　Fax:010-84878856

Chief Development Organization:

　　　　　　Sinopec Engineering Incorporation

　　　　　　Address:Bldg.21 Anyuan，Anhui Bei Li，Chaoyang District，Beijing

　　　　　　Postcode:100101

Chief Drafting Staff:

　　　　　　Duan Rui　Li Lisong　Ji Bin　Si Xinzhong

Chief Reviewing Staff:

　　　　　　Zhang Yingkai　Zhou Jiaxiang　Wu Tongzhu　Li Hongbin　Li Genxi　Lin Heng

　　　　　　Yang Chengqi　Guo Yide　Li Yanming　Gou Shiwen　Xue Yusheng　Xie Dong

　　　　　　Han Yumei　Wu Xiaobin　He Zhiling　Chen Dezhi　Liu Jianping　Hu Ming

　　　　　　Yang Yifan

　　　　　　This standard is initially issued.