JB/T 53014-1999
Single-stage Multi-vane Vacuum Pump - Product Quality Grading (Internal Use)
单级多旋片真空泵 产品质量分等（内部使用）
Catalogue
前言 → 1 范围 → 2 引用标准 → 3 产品的质量等级 → 4 检验规则和评定方法 Foreword → 1 Scope → 2 Normative References → 3 Product Quality Grades → 4 Inspection Rules and Evaluation Methods
Scope
This standard specifies the quality grades, inspection rules and evaluation methods for single-stage multi-vane vacuum pumps. This standard applies to single-stage multi-vane vacuum pumps as specified in JB/T 5971 (hereinafter referred to as products).
本标准规定了单级多旋片真空泵的质量等级、检验规则和评定方法。本标准适用于JB/T 5971 规定的单级多旋片式真空泵（以下简称产品）。
Normative References
Keywords
Application Summary AI generated
Manufacturers of vacuum pumps use this standard to classify and inspect the quality of single-stage multi-vane vacuum pumps. Quality inspection departments and customers rely on this standard to determine whether a product meets qualified, first-class, or premium grade. This standard helps unify quality requirements and improve product competitiveness and reliability.
真空泵制造企业使用本标准对单级多旋片真空泵进行质量等级划分和检验。质检部门和用户依据本标准评定产品是否达到合格品、一等品或优等品。该标准有助于统一产品质量要求，提升产品竞争力和可靠性。
AI Summary AI generated
This standard specifies quality grades (qualified, first-class, premium), inspection rules, and evaluation methods for single-stage multi-vane vacuum pumps. Products must meet the basic requirements of JB/T 5971 and achieve the indicators in Table 1, including ultimate pressure, pumping efficiency, noise, maximum power consumption, inlet diameter, and mean time between failures. A single sampling plan with 2 units per lot and acceptance number 0 is used. The standard applies to products covered by JB/T 5971, aiming to unify quality assessment and improve product performance.
本标准规定了单级多旋片真空泵的质量等级（合格品、一等品、优等品）、检验规则和评定方法。产品需满足JB/T 5971的基本要求，并达到表1中极限压力、抽气效率、噪声、最大消耗功率、进气口内径和平均无故障工作时间等指标。采用一次抽样方案，每批抽2台，合格判定数为0。标准适用于JB/T 5971规定的产品，旨在统一质量评价，提升产品水平。
Key Sentences extracted from text
本标准规定了单级多旋片真空泵的质量等级、检验规则和评定方法。
产品根据其质量水平和使用价值分为合格品，一等品和优等品。
各等级的产品均应满足JB/T 5971—1992 中5.2、5.7、5.9 和5.10 的要求。
采用一次抽样方案，每批样本数为2 台，合格判定数为0。
判定产品的质量等级，必须符合该等级全部考核项目的要求，否则按达到的最低一项指标定等级。
This standard specifies the quality grades, inspection rules and evaluation methods for single-stage multi-vane vacuum pumps.
Products are classified into qualified products, first-class products and premium products according to their quality level and use value.
Products of each grade shall meet the requirements of 5.2, 5.7, 5.9 and 5.10 in JB/T 5971—1992.
A single sampling plan is adopted, with a sample size of 2 units per lot and an acceptance number of 0.
To determine the quality grade of a product, it must meet all the inspection items of that grade; otherwise, the grade is determined by the lowest indicator achieved.
Standard Timeline
Changes from replaced version:
- 修改了抽样方法
- 将比功率指标改为最大消耗功率指标
- Modified the sampling method
- Changed the specific power index to the maximum power consumption index