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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