Oil Filter Performance Tester
The Oil Filter Performance Tester is a specialized laboratory system designed to evaluate the filtration efficiency, dirt-holding capacity, structural durability, and long-term performance of oil filters under repetitive contaminant-loading cycles. Using the multiple passes through test principle, the tester circulates contaminated oil through the filter element repeatedly, enabling fast and accurate simulation of real-world operating conditions.
1. Applications
The Oil Filter Performance Tester is widely used in industries requiring precise evaluation of filter performance under dynamic fluid contamination environments. Typical applications include:
Hydraulic System Filter Evaluation
Determines particle removal efficiency and pressure drop characteristics under repeated circulation.
Engine and Lubrication Filter Testing
Assesses filter clogging behavior, dirt-holding capacity, and long-term stability.
Research and Development
Supports new filter material development and comparative performance studies.
Quality Assurance / Certification
Ensures filters meet international testing requirements before delivery.
Fatigue and Durability Simulation
Reproduces long-term cyclic use to evaluate degradation and service life prediction.
2. Conformity Standards
This tester complies with major international and domestic filtration testing standards, including:
ISO 16889 — Multi-pass method for evaluating hydraulic filter performance
ASTM D5170 — Hydraulic filter multi-pass test procedures
ASTM D2060 — Wear and durability test methods
ASTM F3445 — Filter testing for various industrial applications
ISO 3724 — Filter element flow fatigue test
ISO/DIS 19438-2004 — Full-flow lubricating oil filter test
ISO 4548-12:2000 — Automotive oil filter multi-pass evaluation
GB/T 18853-2015 — Filter performance multi-pass test method
GB/T 8243.12-2007 — Automotive filter multi-pass test requirements
These standards ensure repeatability, accuracy, and global compatibility for certification and comparison.
3. System Components
The Oil Filter Performance Tester is composed of several precision modules designed for stable, long-term operation:
● Circulation and Pressure Control Unit
High-precision gear pump with strong self-priming capability
Stable flow delivery across the full test range
Smooth low-noise operation
● Contaminated Fluid Loop
Continuous circulation of test oil mixed with standardized test dust (SOFTC-2A)
Controlled contaminant adding system with adjustable ash rate
● Test Oil Tanks
30 L primary tank
10 L auxiliary tank
Optimized for thermal stability and consistent contaminant dispersion
● Differential Pressure Measurement System
High-accuracy sensors for 0–500 kPa measurement
Real-time monitoring of filter clogging and pressure drop behavior
● High Pressure Drop Resistance Function
Supports 0–1 MPa pressure simulations for evaluating structural fatigue and collapse resistance
● Temperature Control (Optional Configuration)
Adjustable medium temperature from room temperature to 90°C
Ensures compliance with temperature-related test protocols
4. Technical Parameters
| Parameter | Specification |
|---|---|
| Flow Range (Qv) | 5 L/min – 30 L/min |
| Pressure Drop Range | 0–500 kPa and 0–1 MPa |
| Media Temperature | Room temp. – 90°C |
| Differential Pressure Range | 0–500 kPa |
| Test Dust | SOFTC-2A |
| Main Oil Tank Capacity | 30 L |
| Auxiliary Oil Tank Capacity | 10 L |
| Ash Adding Rate | 0.06 × Qv g/h (0.3–1.8 g/h) |
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