Standards:

You can operate this device in compliance with international and domestic standards: (1) GB/T 14039 — Hydraulic transmission: Code for solid particle contamination levels in hydraulic fluids; (2) GB/T 18854 — Hydraulic transmission: Automatic particle counting method for liquid contamination measurement; (3) ISO 4406 — Hydraulic fluid contamination: Coding of solid particle contamination levels; (4) ISO 4407 — Hydraulic fluid contamination: Measurement of particle contamination using optical automatic counters; (5) NAS 1638 — Aerospace hydraulic system contamination levels.

Applications:

You can apply this tester in various scenarios, including:

(1) Pre-cleaning of hydraulic oil during system filling;

(2) Online circulation filtration for hydraulic and lubrication systems;

(3) Bypass purification during equipment operation;

(4) Regeneration and cleaning of used hydraulic or lubricating oil;

(5) Routine maintenance of industrial hydraulic systems;

(6) Hydraulic systems in construction machinery, metallurgical equipment, injection molding machines, and machine tools;

(7) Oil management in power plants, mining, ports, and heavy-duty equipment.

Product Information:

The Hydraulic Oil Purification Filtration Tester is designed to maintain and improve oil cleanliness in hydraulic and lubrication systems. You can use this device to remove solid particle contaminants through multi-stage filtration and bypass circulation, ensuring stable system operation and extending the service life of hydraulic components and the entire system. It supports both online purification during operation and offline oil regeneration during filling, oil replacement, or maintenance.

Parameters

Features

Compact design allows you to move and deploy the unit easily across multiple workstations.

High-performance gear pump and motor provide stable, low-noise, and vibration-free operation with strong self-priming ability.

Multi-stage filtration protects the pump, removes medium particles, and ensures fine particle removal for superior oil cleanliness.

Flexible filtration precision through interchangeable filter elements, meeting different equipment and cleanliness requirements.

Real-time monitoring via pressure gauges enables you to track system performance continuously.

Equipped with differential pressure alarms to alert you when filter replacement is needed.

Safety features include thermal relay, emergency stop, and independent oil-electric separation for reliable operation.

Accessories

(1) Gear pump and motor — provides system drive;

(2) Multi-stage filters — suction, pre-filter, fine filter;

(3) Pressure gauge — monitors system pressure;

(4) Differential pressure alarm — alerts when filters are clogged;

(5) Optional particle counter — measures NAS 1638 / ISO 4406 cleanliness levels;

(6) Optional temperature sensor — monitors oil temperature online;

(7) Optional high-efficiency filter — long-life, high-performance filter element;

(8) Consumable filter elements and seals for routine replacement.

Test Procedures

Connect the oil inlet and outlet to the designated hydraulic system bypass interface.

Start the device and establish stable circulation flow.

Monitor system pressure and oil condition while running the purification process.

Measure oil cleanliness using a particle counter or offline sampling analysis.

Continue operation until the target cleanliness level is reached.

Stop the device, close valves, disconnect pipelines, and complete purification.

Maintenance Information

Confirm the oil type, viscosity, and temperature comply with device requirements.

Inspect filter installation and pipeline connections before operation.

Monitor pressure and differential pressure alarms during operation.

Replace filters promptly upon alarm activation.

Use the emergency stop switch during maintenance or in case of abnormal operation.

FAQ

1.What is this product?

It is a hydraulic oil purification filtration tester designed to control and improve oil cleanliness in hydraulic and lubrication systems.

2.What is this product used for?

You use it to remove solid particle contaminants, regenerate used oil, and maintain oil cleanliness for reliable system operation.

3.How does this product work?

The device circulates oil through multi-stage filters—suction, pre-filter, and fine filter—to remove contaminants and reduce particle levels.

4.Why is this product important?

It prolongs the service life of hydraulic components, improves system reliability, and prevents damage caused by contaminated oil.

5.Which industries is this product suitable for?

It is suitable for construction machinery, metallurgical equipment, injection molding machines, machine tools, power generation, mining, ports, and other heavy-duty hydraulic systems.