JB/T 53177-1999
Dissolved Acetylene Cylinder Valve - Product Quality Grading
溶解乙炔气瓶阀 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 dissolved acetylene cylinder valve products. This standard applies to cylinder valves for dissolved acetylene cylinders as specified in GB 10879.
本标准规定了溶解乙炔气瓶阀产品的质量等级、试验方法、抽样和等级评定方法。本标准适用于GB 10879 规定的溶解乙炔气瓶用的气瓶阀。
Normative References
Keywords
Application Summary AI generated
Manufacturers and quality inspection agencies of dissolved acetylene cylinder valves use this standard to classify products into quality grades (qualified, first-class, premium). They perform tests and sampling according to the specified methods to evaluate and rate the valves. This standard ensures consistent quality of acetylene cylinder valves and provides a unified basis for product acceptance and market supervision.
溶解乙炔气瓶阀的制造商和质检机构使用本标准来划分产品的质量等级（合格品、一等品、优等品）。他们依据本标准规定的试验方法和抽样方案对阀门进行检测和评级。该标准确保了乙炔气瓶阀的质量一致性，为产品验收和市场监管提供了统一依据。
AI Summary AI generated
This standard JB/T 53177-1999 specifies the product quality grading requirements for dissolved acetylene cylinder valves, classifying products into three grades: qualified, first-class, and premium. It covers multiple assessment items including valve body taper thread inspection, mass, opening/closing torque, gas tightness, vibration resistance, fusible plug action temperature, temperature resistance, pressure resistance, and durability, along with corresponding test methods and sampling evaluation rules. The standard applies to cylinder valves for dissolved acetylene cylinders as specified in GB 10879, providing a basis for product quality control and grade evaluation.
本标准JB/T 53177-1999规定了溶解乙炔气瓶阀的产品质量分等要求，将产品分为合格品、一等品和优等品三个等级。标准涵盖了阀体锥螺纹检测、质量、启闭力矩、气密性、耐振性、易熔合金塞动作温度、耐温性、耐压性和耐用性等多项考核项目，并给出了相应的试验方法和抽样评定规则。该标准适用于GB 10879规定的溶解乙炔气瓶阀，为产品质量控制和等级评定提供了依据。
Key Sentences extracted from text
本标准规定了溶解乙炔气瓶阀产品的质量等级、试验方法、抽样和等级评定方法。
溶解乙炔气瓶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。
被检样品可从生产厂质检部门检验合格的库存产品中随机抽取，或从已供给用户但未使用并且保持出厂状态的产品中随机抽取。
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。
阀门启闭所需的最大力矩应不超过10N·m。
This standard specifies the quality grades, test methods, sampling and grade evaluation methods for dissolved acetylene cylinder valve products.
Dissolved acetylene cylinder valves are divided into three grades: qualified product, first-class product and premium product according to quality level and use value.
The inspected samples may be randomly selected from the inventory products that have passed the inspection by the manufacturer's quality inspection department, or from products that have been supplied to users but are unused and maintain the factory state.
The test results of qualified products, first-class products and premium products shall meet the requirements of the corresponding quality grades, and re-sampling is not allowed.
The maximum torque required for opening and closing the valve shall not exceed 10 N·m.
Standard Timeline
Changes from replaced version:
- 增加了阀体锥螺纹检测一项
- Added one item: inspection of valve body taper thread