JB/T 53153-1999
Piston Expander - Product Quality Grading (Internal Use)
活塞式膨胀机 产品质量分等（内部使用）
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、评定方法 Foreword → 1 Scope → 2 Normative References → 3 Product Quality Grades → 4 Test Methods → 5 Sampling and Evaluation Methods
Scope
This standard specifies the product quality grades, test methods, sampling and evaluation methods for piston expanders (hereinafter referred to as expanders). This standard applies to expanders used in conjunction with air separation and liquefaction equipment.
本标准规定了活塞式膨胀机（以下简称膨胀机）的产品质量等级、试验方法及抽样、评定方法。本标准适用于空气分离与液化设备配套用的膨胀机。
Normative References
Keywords
Application Summary AI generated
Manufacturers of piston expanders use this standard to classify and inspect the quality of their products. It helps them ensure that products meet qualified or first-class levels, thereby satisfying the requirements for air separation and liquefaction equipment. This standard matters because it ensures product quality stability and market competitiveness through unified performance indicators and test methods.
该标准由制造活塞式膨胀机的企业使用，用于对其产品进行质量等级划分和检验。它帮助生产商确保产品达到合格品或一等品水平，从而满足空气分离与液化设备配套需求。该标准的重要性在于通过统一的性能指标和试验方法，保障产品质量稳定性和市场竞争力。
AI Summary AI generated
This standard JB/T 53153-1999 specifies the product quality grading requirements for piston expanders, including two grades: qualified product and first-class product. It defines performance indicators (such as isentropic efficiency, noise, cleanliness, etc.), replacement periods for main wearing parts, test methods (per JB/T 9079.2), and sampling and evaluation procedures. Applicable to expanders used in air separation and liquefaction equipment, it aims to ensure product stability and user satisfaction through unified quality classification and inspection processes.
本标准JB/T 53153-1999规定了活塞式膨胀机的产品质量分等要求，包括合格品和一等品两个等级。标准明确了性能指标（如等熵效率、噪声、清洁度等）、主要易损件更换期、试验方法（按JB/T 9079.2执行）以及抽样和评定方法。适用于空气分离与液化设备配套的膨胀机，旨在通过统一的质量分级和检测流程，确保产品稳定性和用户满意度。
Key Sentences extracted from text
本标准规定了活塞式膨胀机（以下简称膨胀机）的产品质量等级、试验方法及抽样、评定方法。
膨胀机产品根据其质量水平和使用价值，分为合格品和一等品两个等级。
膨胀机的性能试验按JB/T 9079.2 的规定进行。
抽样检查的膨胀机应是通过鉴定、已批量生产并经制造厂自检合格入库的产品，且距完工的时间不超过1 年。
按本标准逐条逐项检测评定，按考核项目中达到的最低一项指标评定产品的等级，缺项不能定等级。
This standard specifies the product quality grades, test methods, sampling and evaluation methods for piston expanders (hereinafter referred to as expanders).
Expander products are divided into two grades: qualified product and first-class product, based on their quality level and use value.
The performance test of the expander shall be carried out in accordance with JB/T 9079.2.
The expander for sampling inspection shall be a product that has been approved, mass-produced, and passed the manufacturer's self-inspection and put into storage, and the time from completion shall not exceed 1 year.
Inspect and evaluate item by item according to this standard, and evaluate the product grade according to the lowest indicator among the assessed items; if items are missing, the grade cannot be determined.
Standard Timeline
Changes from replaced version:
- 对原标准作了编辑性修改，主要技术内容没有变化
- Editorial modifications were made to the original standard, with no changes to the main technical content.