JB/T 53143-1999
Centrifugal Cryogenic Liquid Pump for Air Separation Equipment - Product Quality Grading (Internal Use)
空气分离设备用离心式低温液体泵 产品质量分等（内部使用）
Catalogue
前言 → 1 范围 → 2 引用标准 → 3 产品质量分等 → 4 试验方法 → 5 抽样方法 → 6 产品等级评定办法 Foreword → 1 Scope → 2 Normative References → 3 Product Quality Grading → 4 Test Methods → 5 Sampling Methods → 6 Product Grade Evaluation Method
Scope
This standard specifies the product quality grading, test methods, sampling methods, and product grade evaluation methods for centrifugal cryogenic liquid pumps used in air separation equipment. This standard applies to centrifugal cryogenic liquid pumps used in air separation equipment (hereinafter referred to as pumps).
本标准规定了空气分离设备用离心式低温液体泵的产品质量分等、试验方法、抽样方法和产品等级评定方法。本标准适用于空气分离设备用离心式低温液体泵（以下简称泵）。
Normative References
Keywords
Application Summary AI generated
Manufacturers and users of air separation equipment use this standard to evaluate the quality grade of centrifugal cryogenic liquid pumps. It helps manufacturers ensure their products meet requirements for qualified, first-class, or premium grades, and guides users in selecting appropriate pump grades. By providing unified quality grading and evaluation methods, this standard promotes product quality improvement and market competition.
空气分离设备制造商和用户使用本标准来评估离心式低温液体泵的质量等级。它帮助制造商确保产品符合合格品、一等品或优等品的要求，并指导用户选择合适等级的泵。该标准通过统一的质量分等和评定方法，促进了产品质量提升和市场竞争。
AI Summary AI generated
This standard specifies product quality grading, test methods, sampling methods, and grade evaluation for centrifugal cryogenic liquid pumps used in air separation equipment. Pumps are classified into three grades: qualified, first-class, and premium, each with specific requirements for performance, appearance, and supporting products. It references GB/T 3216 and JB/T 9073 for testing, and defines sampling rules and a lowest-indicator-based grade determination principle. The standard is for internal use and aims to unify product quality requirements.
本标准规定了空气分离设备用离心式低温液体泵的产品质量分等、试验方法、抽样方法和等级评定方法。泵产品按质量分为合格品、一等品和优等品三个等级，每个等级对性能、外观、配套产品等有具体要求。标准引用GB/T 3216和JB/T 9073作为试验依据，并规定了抽样规则和以最低项指标评定等级的判定原则。该标准适用于内部使用，旨在统一产品质量要求。
Key Sentences extracted from text
本标准规定了空气分离设备用离心式低温液体泵的产品质量分等、试验方法、抽样方法和产品等级评定方法。
泵产品按其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。
产品质量等级按本标准规定逐项检测评定，按考核项目中最低项指标评定出产品质量等级，缺项不能判定产品质量等级。
泵的性能试验方法按JB/T 9073的规定。
抽样产品须通过鉴定，能够经常性生产，并经制造厂自检合格。
This standard specifies the product quality grading, test methods, sampling methods, and product grade evaluation methods for centrifugal cryogenic liquid pumps used in air separation equipment.
Pump products are divided into three grades: qualified product, first-class product, and premium product, according to their quality level and use value.
The product quality grade is determined by testing and evaluating item by item according to this standard, and the product quality grade is determined by the lowest indicator among the assessed items; the product quality grade cannot be determined if items are missing.
The performance test method for pumps shall be in accordance with JB/T 9073.
Sampled products must have passed appraisal, be capable of regular production, and have passed the manufacturer's self-inspection.
Standard Timeline
Changes from replaced version:
- 对原标准作了编辑性修改
- 取消了原表1中离心式低温液体泵效率的质量分等
- 其它技术内容没有变化
- Editorial modifications were made to the original standard
- The quality grading for efficiency of centrifugal cryogenic liquid pumps in the original Table 1 was removed
- Other technical content remained unchanged