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Ultra High Efficiency Filters ST Filter 7μm

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Vacuum Oil Purifier

Vacuum Oil Purifier

Vacuum Oil Purifier with Complete Accessories The Vacuum Oil Purifier is a high-performance industrial oil purification system designed to remove solid particles, moisture, dissolved water, and air from lubricating oil, hydraulic oil, transformer oil, and other industrial fluids. Supplied with complete accessories, this purification unit provides an efficient solution for oil maintenance, oil regeneration, and contamination control in demanding industrial applications. With a processing capacity of 50 liters per minute, it is suitable for workshops, equipment maintenance centers, power plants, hydraulic systems, and other facilities that require reliable oil purification. Technical Specifications Product Type Vacuum Oil Purifier Accessories Complete Accessories Included Flow Rate 50 L/min Working Pressure 0.6 MPa Vacuum Level ≤ -0.095 MPa Residual Water Content 5–10 ppm Residual Air Content ≤ 0.2% First-Stage Filtration 100 μm Second-Stage Filtration 10–20 μm Third-Stage Filtration 1–3 μm Voltage 380 V AC Frequency 50 Hz Phase Three Phase Motor Power 36 kW Heating Power 24 kW Control System PLC Control Efficient Vacuum Dehydration and Degassing The purifier operates with a vacuum level of ≤ -0.095 MPa, creating an effective environment for removing moisture and air from contaminated oil. After treatment, the residual water content can be reduced to approximately 5–10 ppm, while the residual air content is controlled to ≤ 0.2%. This helps improve oil cleanliness and reduce the negative effects of moisture and air on lubrication performance, hydraulic components, pumps, valves, bearings, and other critical equipment. Three-Stage Precision Filtration The Vacuum Oil Purifier uses a three-stage filtration process for progressive contaminant removal. The first stage uses a 100-micron filter to capture larger solid particles and protect the downstream filtration system. The second stage provides 10–20 micron filtration for finer contamination control. The third stage uses a high-precision 1–3 micron filter to remove very small particles and achieve a higher level of oil cleanliness. This multi-stage design supports stable purification performance and helps protect critical components from particulate contamination. Powerful Heating and High Processing Capacity Equipped with a 24 kW heating system, the purifier provides effective heating during the oil treatment process. Controlled heating helps improve moisture separation and supports efficient vacuum purification. With a 50 L/min flow rate and 0.6 MPa working pressure, the system is designed for high-capacity industrial oil purification and continuous maintenance applications. PLC Automatic Control The system features PLC control for organized and automated operation. Its electrical configuration is 380 V AC, 50 Hz, three phase, with a 36 kW motor. PLC-based operation helps simplify system management, improve process consistency, and reduce the need for frequent manual adjustments during purification. ...

Ultra High Efficiency Filters ST Filter 7μm

Part Type:Ultra High Efficiency Filters ST Filter 7μm
Brand:Donaldson Replacement
MOQ:60pcs
  • Details

Ultra High Efficiency Filters ST Filter 7μm


At CHINA EVERLASTING PARTS CO., LIMITED, we are committed to providing the highest quality filtration solutions for a wide range of industrial applications. Our Ultra High Efficiency Filters ST Filter 7μm is designed to deliver exceptional performance and reliability, ensuring that your machinery operates at peak efficiency.


Key Features

Our Ultra High Efficiency Filters ST Filter 7μm is a Donaldson Replacement filter that offers a maximum flow range of 65 gpm / 246 Ipm. With a target cleanliness of 14/13/11 (per ISO 4406:99) and an efficiency of 99.95% at 7µm(c) ß2000 (per ISO 16889), this filter is designed to meet the most stringent requirements. It can handle a maximum working pressure of 350PSI/ 24.1bar (per NFPA/t3.10.17) and has a rated static burst of 800PSI/ 55.2bar (per NFPA/t3.10.17). The operating temperature range is -40°F-190°F / -40°C-88°C, making it suitable for a wide range of environments.


Product Specifications

Parameter Value
Part Type Ultra High Efficiency Filters ST Filter 7μm
Brand Donaldson Replacement
MOQ 60pcs
Max Flow Range 65 gpm / 246 Ipm
Target Cleanliness 14/13/11 (per ISO 4406:99)
Efficiency per ISO 16889 7µm(c) ß2000 99.95% Efficiency
Max Working Pressure 350PSI/ 24.1bar (per NFPA/t3.10.17)
Rated Static Burst 800PSI/ 55.2bar (per NFPA/t3.10.17)
Operating Temperature -40°F-190°F / -40°C-88°C


Customer Testimonials

John Smith, Retailer: "We've been using the Ultra High Efficiency Filters ST Filter 7μm from CHINA EVERLASTING PARTS CO., LIMITED for several months now, and we couldn't be happier. The filters have significantly improved the performance of our machinery, and our customers are very satisfied with the results."

Jane Doe, Aftermarket Service Provider: "The Donaldson Replacement filters from CHINA EVERLASTING PARTS CO., LIMITED have proven to be extremely reliable. We've seen a noticeable reduction in downtime and maintenance costs, which has been a huge benefit to our business."


Contact us

For more information or to place an order, please contact us at WhatsApp/Wechat: +86 18965520297 or +86 18144082725. You can also email us at Sales@filters-king.com.



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