Comprehensive Engine Oil Filter Test Bench

The test bench is mainly used to test the differential pressure-flow characteristics, filter element bypass valve characteristics, pressure drop resistance, initial efficiency, and clogging life of oil filters.

The test bench system mainly consists of a variable speed oil pump unit, pressure sensor, flow meter, control valve, return valve, bypass valve, differential pressure sensor, and related accessories.

Application

This test bench is designed for comprehensive evaluation of engine oil filters, including spin-on filters and filter bypass valves. It is suitable for:

Production quality control and factory testing

Research and development of engine oil filters

Verification of filter efficiency, pressure drop, and service life

Testing the performance of bypass elements and blocked filter behavior

The bench measures pressure drop, bypass characteristics, original filtration efficiency, and blocked filter life under controlled flow and temperature conditions.

Standards

The system is designed to meet the following standards:

JB/T 5088.2—2008 – Internal combustion engine spin-on oil filters

Section 6.2: Pressure drop – flow characteristic test

Section 6.3: Filter bypass element characteristic test

Section 6.6: Original filter efficiency test

Section 6.7: Blocked filter service life test

Notes:

Sections 6.2, 6.3, and 6.7 use CC30 diesel engine oil (temperature controlled below 100°C).

Section 6.6 uses 0# diesel or -10# light diesel at room temperature.

Feature

Comprehensive Testing: Measures pressure drop, bypass valve behavior, filter efficiency, and blocked filter life in a single bench.

High Accuracy: Precision sensors and controlled flow/temperature ensure repeatable, reliable results.

Automatic Control: Integrated control system allows automated testing and data acquisition.

Durable Design: Stainless steel piping, high-capacity filters, and robust frame for long-term use.

Flexible Operation: Supports different oil types and flow rates per manufacturer specifications.

Technical Parameters

Main Test System:

Parameter	Unit	Value
Flow range	L/min	5 … 100
Working medium	–	CC30 diesel engine oil (viscosity 24 mm²/s at 74°C), 0# diesel
Pressure gauge range	MPa	0 … 2 (accuracy ±5%)
Medium temperature	°C	Room temp … 100
Differential pressure measurement	kPa	0 … 600
Test oil tank volume	L	80 (negotiable)

Original Filter Efficiency Test System:

Parameter	Unit	Value
Flow range	L/min	1 … 10
Working medium	–	0# diesel
Medium temperature	°C	Room temp
Test liquid container	L	10

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