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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. ...

Custom Air Filter 400401-00004 40040100004

Part Number:400401-00004
Part Type:Air Filter
Brand:Doosan Replacement
MOQ:20pcs
Air Filter 400401-00004 Equivalent to 612600114993A For Doosan Loader Excavator.
  • Details

Company Overview

CHINA EVERLASTING PARTS CO., LIMITED is a professional high-quality filters manufacturer serving global B2B customers. Our main products include Air Filter, Air Cleaner Filter, Air Dryer, Ventilation Filter, Breather Filter, Oil Filter, Fuel Filter, Hydraulic Filter, Fuel Water Separator, Air Oil Separator, and Filter Assemblies. With strong engineering capability and stable production capacity, we support OEM and ODM customization for distributors, wholesalers, and aftermarket service providers worldwide.


Custom Air Filter 400401-00004 for Doosan Equipment


Key Features

The Custom Air Filter 400401-00004 is designed as a reliable Doosan air filter cross reference solution for heavy-duty construction equipment. Manufactured with high-performance filter media and reinforced structure, this OEM engine air filter ensures stable airflow and effective dust retention in harsh working environments.

  • Exact replacement for Doosan part number 400401-00004
  • Compatible with Doosan Dx300 excavators
  • Supports cross reference with Weichai 612600114993A
  • Factory-controlled quality with consistent filtration efficiency
  • Available for bulk orders with low MOQ


Product Advantages

Compared with standard aftermarket options, this Doosan excavator air filter provides improved structural stability and longer service life. Advanced sealing design minimizes air bypass, while optimized filter paper ensures balanced airflow and dust-holding capacity. As a professional manufacturer, we offer cost-effective pricing without compromising quality.


Benefits for B2B Buyers

For distributors, wholesalers, and filter stores, choosing this loader air filter replacement helps reduce customer complaints, extend maintenance intervals, and increase repeat orders. Stable quality and OEM-level compatibility make it an ideal choice for aftermarket service providers who require dependable filtration solutions.


Proven Performance & Reliability

Each custom air filter is produced under strict quality inspection standards and tested for airflow resistance and filtration efficiency. Our long-term cooperation with global customers proves its suitability for demanding construction and industrial applications.


Technical Specifications

Parameter Details
Part Number 400401-00004
Part Type Air Filter
Brand Doosan Replacement
Compatibility Doosan Dx300
Cross Reference Weichai 612600114993A
MOQ 20 pcs


Customer Testimonials

★★★★★

Filter Distributor, USA
“The quality of this custom air filter fully meets OEM standards. Perfect Doosan air filter cross reference with stable supply.”

★★★★★

Aftermarket Service Provider, Europe
“Excellent fit for Doosan Dx300. Our customers are very satisfied with the filtration performance.”

★★★★★

Wholesale Buyer, Middle East
“Reliable OEM engine air filter supplier. Competitive price and consistent quality for bulk orders.”


Contact & OEM Support

For pricing, bulk orders, or OEM/ODM customization of custom air filters, please contact us:

WhatsApp / WeChat: +86 18965520297
WhatsApp / WeChat: +86 18144082725

Email: Sales@filters-king.com



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