JB/T 51111-1999
Internal combustion engines - Paper element oil filter assemblies - Product quality grading (Internal use)
内燃机 纸质滤芯机油滤清器总成 产品质量分等（内部使用）
Catalogue
前言 → 1 范围 → 2 引用标准 → 3 质量指标 → 4 试验方法 → 5 检验规则 Foreword → 1 Scope → 2 Normative References → 3 Quality Indicators → 4 Test Methods → 5 Inspection Rules
Scope
This standard specifies the quality indicators, test methods and inspection rules for paper element oil filter assemblies for internal combustion engines with a volume flow rate of 100 L/min or less. This standard applies to the quality grade assessment of paper element oil filter assemblies for internal combustion engines (hereinafter referred to as assemblies).
本标准规定了体积流量为100 L/min 以下的内燃机纸质滤芯机油滤清器总成产品的质量指标，试验方法和检验规则。本标准适用于内燃机纸质滤芯机油滤清器总成（以下简称总成）产品质量等级的评定。
Normative References
Keywords
Application Summary AI generated
Engine manufacturers and filter producers use this standard to grade the quality of paper element oil filter assemblies. They rely on the specified indicators and test methods to classify products into qualified, first-grade, and premium levels. This standard ensures consistent product quality and supports reliable lubrication in internal combustion engines.
发动机制造商和滤清器生产厂使用该标准来评定纸质滤芯机油滤清器总成的质量等级。他们依据标准中的指标和试验方法，对产品进行合格品、一等品和优等品的分级。该标准确保了机油滤清器产品的质量一致性，为内燃机的可靠润滑提供了保障。
AI Summary AI generated
This standard JB/T 51111-1999 specifies the quality grading requirements for paper element oil filter assemblies for internal combustion engines, applicable to products with a volume flow rate of 100 L/min or less. It classifies products into three grades: qualified, first-grade, and premium, and details technical indicators such as initial resistance, filtration efficiency, laboratory life, internal cleanliness, and pulse fatigue test. Corresponding test methods and sampling inspection rules based on GB/T 2828, including nonconformity classification and AQL values, are also provided. This standard offers a unified basis for quality control and grade assessment of engine oil filters.
本标准JB/T 51111-1999规定了内燃机纸质滤芯机油滤清器总成的质量分等要求，适用于体积流量100 L/min以下的产品。标准将产品分为合格品、一等品和优等品三个等级，并详细列出了原始阻力、滤清效率、实验室寿命、内部清洁度、脉冲疲劳试验等多项技术指标。同时规定了相应的试验方法和基于GB/T 2828的抽样检验规则，包括不合格分类和AQL值。该标准为内燃机机油滤清器的质量控制和等级评定提供了统一依据。
Key Sentences extracted from text
本标准规定了体积流量为100 L/min 以下的内燃机纸质滤芯机油滤清器总成产品的质量指标，试验方法和检验规则。
内燃机纸质滤芯机油滤清器总成产品按其不同质量指标定为合格品、一等品、优等品三个等级。
总成的原始阻力，在额定体积流量时，应不大于25 kPa。
滤芯在350 kPa的压降作用下，应无永久变形或局部损坏。
当各类不合格项数全部判为合格时，整批产品才能最终判为合格。
This standard specifies the quality indicators, test methods and inspection rules for paper element oil filter assemblies for internal combustion engines with a volume flow rate of 100 L/min or less.
Paper element oil filter assemblies for internal combustion engines are classified into three grades: qualified product, first-grade product, and premium product according to their different quality indicators.
The initial resistance of the assembly, at rated volume flow, shall not exceed 25 kPa.
The filter element shall have no permanent deformation or local damage under a pressure drop of 350 kPa.
Only when all types of nonconformities are judged as acceptable can the entire batch be finally judged as acceptable.
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
- The main technical content remained unchanged