JB/T 53165-1999
High Pressure Balanced Stop Valve - Product Quality Grading (Internal Use)
高压平衡截止阀 产品质量分等（内部使用）
Catalogue
前言 → 1 范围 → 2 引用标准 → 3 产品的质量等级 → 4 试验与检验方法 → 5 抽样和评定方法 Foreword → 1 Scope → 2 Normative References → 3 Product Quality Grades → 4 Test and Inspection Methods → 5 Sampling and Evaluation Methods
Scope
This standard specifies the product quality grades, test and inspection methods, sampling and evaluation methods for high pressure balanced stop valves. This standard applies to balanced stop valves with PN16.0MPa, PN32.0MPa, DN100~200mm; balanced stop valves of other pressure ratings and other nominal diameters may refer to this standard.
本标准规定了高压平衡截止阀产品质量等级、试验与检验方法、抽样与评定方法等。本标准适用于PN16.0MPa、PN32.0 MPa，DN100~200mm 平衡截止阀，其它压力级别、其它公称通径的平衡截止阀可参照使用。
Normative References
Keywords
Application Summary AI generated
Valve manufacturers use this standard to classify and inspect the quality grades of high pressure balanced stop valves. Quality inspection departments and customers rely on this standard to determine whether products meet qualified, first-class, or premium levels. By unifying test methods and evaluation rules, the standard ensures reliability and interchangeability of valve products.
阀门制造企业使用本标准来对高压平衡截止阀进行质量等级划分和检验。质检部门和用户依据本标准判定产品是否达到合格品、一等品或优等品。该标准通过统一试验方法和评定规则，保障阀门产品的可靠性和互换性。
AI Summary AI generated
JB/T 53165-1999 specifies product quality grading requirements for high pressure balanced stop valves, applicable to valves with PN16.0MPa and PN32.0MPa, nominal diameter 100~200mm. The standard classifies products into three grades: qualified, first-class, and premium. It defines assessment indicators and test methods including shell test, gas seal test, liquid seal test, opening/closing torque, static pressure life test, ultrasonic inspection, and valve cleanliness. Sampling and grade evaluation rules are also specified to ensure product reliability and consistency.
本标准JB/T 53165-1999规定了高压平衡截止阀的产品质量分等要求，适用于PN16.0MPa和PN32.0MPa、公称通径100~200mm的平衡截止阀。标准将产品分为合格品、一等品和优等品三个等级，并规定了壳体试验、气体密封试验、液体密封试验、启闭转矩、静压寿命试验、超声波探伤和阀门清洁度等考核指标及试验方法。同时明确了抽样和等级评定规则，确保产品质量的可靠性和一致性。
Key Sentences extracted from text
本标准规定了高压平衡截止阀产品质量等级、试验与检验方法、抽样与评定方法等。
高压平衡截止阀产品根据其质量水平和使用价值可分为合格品、一等品和优等品三个等级。
高压平衡截止阀壳体试验、气体密封试验、液体密封试验按GB/T 13927 的规定进行。
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。
静压寿命试验只做一台。
This standard specifies the product quality grades, test and inspection methods, sampling and evaluation methods for high pressure balanced stop valves.
High pressure balanced stop valve products can be divided into three grades: qualified product, first-class product, and premium product, based on their quality level and use value.
The shell test, gas seal test, and liquid seal test of high pressure balanced stop valves shall be carried out according to GB/T 13927.
The test results of qualified product, first-class product, and premium product shall meet the requirements of the corresponding quality grade, and re-sampling is not allowed.
Only one unit shall be tested for the static pressure life test.
Standard Timeline
Changes from replaced version:
- 公称压力范围由PN32.0MPa扩大为PN16.0MPa、32.0MPa
- 增加了PN16.0MPa启闭转矩的考核指标
- 依据JB/T 7748对阀门内腔清洁度指标进行了修改
- 增加了抽样和等级评定有关内容
- The nominal pressure range was expanded from PN32.0MPa to PN16.0MPa and PN32.0MPa
- Added assessment indicators for opening/closing torque at PN16.0MPa
- Modified the valve internal cleanliness indicators according to JB/T 7748
- Added content related to sampling and grade evaluation