新版《柔性石墨填料环 试验方法》标准修订解读  

Standard Interpretation of the Revised Standard “Test Method for Flexible Graphite Ring”

作　　者：程云朗 何松 曹凡 艾加薪 CHENG Yun-lang;HE Song;CAO Fan;AI Jia-xin(Hefei General Machinery Research Institution,Hefei 230031,China)

机构地区：[1]合肥通用机械研究院有限公司,安徽合肥230031

出　　处：《液压气动与密封》2023年第3期1-4,共4页Hydraulics Pneumatics & Seals

摘　　要：柔性石墨填料环作为目前相对应用较广泛,密封性能优异,耐酸碱腐蚀的填料密封器件,相对其他种类的填料密封,耐高温工况能力强,是目前国内机械装备密封中十分关键和不可替代的组成部分。2022年发布的GB/T 29035-2022《柔性石墨填料环试验方法》国家标准修订项目,在原标准的基础上对热失重、摩擦磨损和试样规格等技术参数进行了调整,并增加了硫含量测定方法。标准主要内容和技术指标均已确定并经过试验验证。为增进企业对该标准的理解,该文对标准的主要内容、试验验证步骤进行了梳理,便于企业参照使用本标准,提高对应产品的质量。As one of the widely used,well-performed and corrosion preventive sealing product,the flexible graphite ring is one of the key and irreplaceable part in mechanical equipment sealing in China.The revised standard “Test method for flexible graphite ring”,which is published in 2022,adjust the technical data for weight loss,frictional coefficient and size,as well as the addition of test method for sulfur.The main content and technical requirements have been tested.In order to help with the understanding for enterprises,the clauses and demonstration tests have been discussed in this paper for the applying of this standard.

关 键 词：柔性石墨 填料环 静密封 标准 

分 类 号：TB42[一般工业技术]