标准摘要
[中文适用范围]： 本标准规定了阀门阀杆填料和管道法兰垫片在暴露于本标准定义的火源时的性能和评估测试要求。阀门阀杆填料和管道法兰垫片可以是多种材料和结构的组合或布置。本标准中的测试程序模拟了对阀门阀杆填料或法兰垫片施加严苛要求的情况。 [外文原描述]： Covers the requirements for testing valve stem packing and evaluating its performance when exposed to specifically defined fire conditions. Packing may be a combination or an arrangement of more than one material. The test procedure in this standard simulates circumstances that impose severe demands on valve stem packing. Purchasers may wish to establish more stringent requirements to meet their specific applications.
英文名称Fire Test for Evaluation of Valve Stem Packing