JB/T 53167-1999
Ball Valves - Product Quality Grading
球阀 产品质量分等
Catalogue
前言 → 1 范围 → 2 引用标准 → 3 产品质量等级 → 4 试验方法 → 5 抽样和等级评定方法 Foreword → 1 Scope → 2 Normative References → 3 Product Quality Grades → 4 Test Methods → 5 Sampling and Grade Evaluation Methods
Scope
This standard specifies the quality grades, test methods, sampling, and grade evaluation methods for ball valve products. This standard applies to ball valve products specified in GB/T 12237.
本标准规定了球阀产品的质量等级、试验方法、抽样和等级评定方法。本标准适用于GB/T 12237 规定的球阀产品。
Normative References
Keywords
Application Summary AI generated
Ball valve manufacturers and quality inspection agencies use this standard to grade and test ball valve products. It helps ensure that different quality levels (qualified, first-grade, premium) meet corresponding performance requirements, thereby improving product consistency and reliability. This standard is important for regulating the ball valve market and guiding user selection.
球阀制造商和质检机构使用本标准来对球阀产品进行质量分级和检验。它帮助确保不同等级的球阀（合格品、一等品、优等品）满足相应的性能要求，从而提升产品质量的一致性和可靠性。该标准对于规范球阀市场、指导用户选型具有重要意义。
AI Summary AI generated
This standard JB/T 53167-1999 specifies quality grades (qualified, first-grade, premium), test methods, sampling, and grade evaluation for ball valve products, applicable to those covered by GB/T 12237. Key technical requirements include shell test, seal test, static pressure life test, and cavity cleanliness, with different criteria for each grade. It replaces JB/T 53167-94, with main changes including revision of the seal test and increased duration requirements.
本标准JB/T 53167-1999规定了球阀产品的质量等级（合格品、一等品、优等品）、试验方法、抽样和等级评定方法。适用于GB/T 12237规定的球阀。主要技术内容包括壳体试验、密封试验、静压寿命试验和内腔清洁度等考核项目，各等级有不同指标要求。标准替代了JB/T 53167-94，主要变化是密封试验的修改和持续时间增加。
Key Sentences extracted from text
本标准规定了球阀产品的质量等级、试验方法、抽样和等级评定方法。
球阀根据质量水平和使用价值分为合格品、一等品和优等品三个等级。
球阀产品质量除符合GB/T 12237 规定外，各等级的考核项目和指标要求还应符合表1的规定。
壳体试验和密封试验按JB/T 9092 的规定。
合格品、一等品和优等品的检测结果应达到相应质量等级的规定，不允许再次抽样。
This standard specifies the quality grades, test methods, sampling, and grade evaluation methods for ball valve products.
Ball valves are divided into three grades: qualified product, first-grade product, and premium-grade product, based on quality level and use value.
In addition to complying with GB/T 12237, the inspection items and index requirements for each grade shall also comply with the provisions of Table 1.
Shell test and seal test shall be carried out according to the provisions of JB/T 9092.
The test results for qualified product, first-grade product, and premium-grade product shall meet the requirements of the corresponding quality grade, and re-sampling is not allowed.
Standard Timeline
Changes from replaced version:
- 液体密封试验修改为密封试验
- 增加各等级密封试验持续时间
- Liquid seal test revised to seal test
- Increased duration of seal test for each grade