HG/T 20201-2007《带压密封技术规范》解读(上)

Sketch for "Technical Specification for Online Leak Sealing"(HG/T 20201-2007)

结合HG/T 20201-2007《带压密封技术规范》国家行业标准创建的背景,介绍带压密封技术服务领域及现状,制定规范的必要性、简要过程、目的、适用范围、不适用范围、共性要求、20个带压密封专业术语、泄漏单位的安全管理、带压密封施工单位的安全管理和防护、密封注剂的质量要求和选用原则及使用方法、注剂工器具、泄漏介质的勘测、泄漏部位的测量、带压密封夹具的分类、夹具的制造加工要求、带压密封施工准备、带压密封技术现场操作和带压密封的施工验收.本规范是世界上第一部较完整的带压密封技术法规,具有创新性突出的特点,为确保对压力容器和压力管道的泄漏部位安全地进行带压密封作业,并保证其质量提供了技术支撑.

Based on the background of the creation of Technical Specification for Online Leak Sealing （ HG/T 20201-2007）, this paper introduces the service domain and the present situation of the online leak sealing technique, the necessity of the making standard, brief process, the purpose, the application scopes, the inapplicable scopes, the universality demands, the 20 professional terms for online leak sealing, the safety management of leaking companies, the safety management and protects of the online leak sealing companies, quality require-ments and selection principles, the using methods of the injecting sealants ,injecting sealant tools, survey of the leaking medium, measurement of leaking part, classification of online leak sealing clamps, manufacturing requirements of clamps , construction preparations for online leak sealing, operations at the scene and construction acceptance of online leak sealing technology. Technical Specification for Online Leak Sealing is the first more entire technical regulation with more prominent innovation of the online leak-sealing field in the world. It will ensure safety of the online leak Sealing operations to the pressure vessel and pressure pipe system leaking, and provides the technical maintenances.