JB/T 53166-1999
Diaphragm Valve - Product Quality Grading
隔膜阀 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 diaphragm valve products. This standard applies to diaphragm valve products specified in GB/T 12239.
本标准规定了隔膜阀产品的质量等级、试验方法、抽样和等级评定方法。 本标准适用于GB/T 12239 规定的隔膜阀产品。
Normative References
Keywords
Application Summary AI generated
Manufacturers and quality inspection agencies use this standard to classify and test diaphragm valve products. It helps determine whether a product meets qualified, first-grade, or premium-grade levels, ensuring reliability and safety in industrial piping systems. By providing unified test and evaluation methods, the standard enhances product comparability and market order.
隔膜阀制造商和质检机构使用本标准来对产品进行质量分级和检验。它帮助确定产品是否达到合格品、一等品或优等品等级，从而确保阀门在工业管道系统中的可靠性和安全性。该标准通过统一的试验和评定方法，提升了产品质量的可比性和市场秩序。
AI Summary AI generated
This standard JB/T 53166-1999 replaces the previous version JB/T 53166-94, with the main revision being the addition of seal test items and duration requirements for each grade. It classifies diaphragm valve product quality into three grades: qualified, first-grade, and premium-grade, specifying criteria for shell test, seal test, static pressure life test, and cavity cleanliness. Test methods reference GB/T 13927, JB/T 8859, and JB/T 7748, with clear sampling and evaluation rules. The standard applies to diaphragm valves per GB/T 12239, aiming to unify quality assessment.
本标准JB/T 53166-1999替代了旧版JB/T 53166-94，主要修订是增加了密封试验项目和各等级密封试验持续时间。标准将隔膜阀产品质量分为合格品、一等品和优等品三个等级，并规定了壳体试验、密封试验、静压寿命试验和内腔清洁度等考核项目的具体指标。试验方法引用GB/T 13927、JB/T 8859和JB/T 7748等标准，抽样和等级评定方法也有明确要求。该标准适用于GB/T 12239规定的隔膜阀产品，旨在统一质量评价体系。
Key Sentences extracted from text
本标准规定了隔膜阀产品的质量等级、试验方法、抽样和等级评定方法。
隔膜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。
壳体试验和密封试验按GB/T 13927 的规定。
静压寿命试验按JB/T 8859 的规定。
合格品、一等品和优等品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 diaphragm valve products.
Diaphragm valves are divided into three grades: qualified product, first-grade product, and premium-grade product, based on quality level and use value.
Shell test and seal test shall be conducted in accordance with GB/T 13927.
Static pressure life test shall be conducted in accordance with JB/T 8859.
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:
- 增加了密封试验项目
- 增加了各等级密封试验持续时间
- Added seal test items
- Added seal test duration for each grade