Aite HCP coalescing & separating oil filter – precision filtration plus dehydration in one unit, NAS Class 5 cleanliness, automatic drainage, unattended operation.
1. Product Overview
Aite HCP Series Coalescing & Separating Oil Filter is a high-performance oil purification system that adopts advanced "coalescing
and separating" dehydration technology to remove water and particles from turbine oil, hydraulic oil, lubricating oil,
and other industrial fluids. This integrated unit combines two critical functions – precision filtration and efficient
dehydration – in a single compact system, effectively removing particle impurities, emulsified water, and free water from oil.
Aite HCP Series Coalescing & Separating Oil Filter features a three-stage filtration system: oil absorption filtration,
pre-filtration, and fine filtration. The pre-filtration and fine filtration stages utilize high-performance filter elements with
high filtration precision, large contaminant holding capacity, and extended service life. After processing through the HCP series,
oil cleanliness can reach NAS Class 5 – meeting the stringent cleanliness requirements of modern hydraulic and lubrication systems.
As a professional manufacturer specializing in oil purification equipment and filtration solutions,
we deliver Aite HCP Series Coalescing & Separating Oil Filter with stable performance, reliable construction,
and competitive pricing for industrial facilities worldwide.
2. Performance Characteristics
Aite HCP Series Coalescing & Separating Oil Filter delivers superior performance through the following key characteristics:
2.1 Integrated Precision Filtration & Dehydration
Aite HCP Series Coalescing & Separating Oil Filter combines two critical functions – precision filtration and efficient
dehydration – in a single integrated system. This eliminates the need for separate filtration and dehydration equipment,
reducing footprint, capital investment, and maintenance complexity.
2.2 Large Flow Continuous Processing
Aite HCP Series Coalescing & Separating Oil Filter features high processing capacity with large flow continuous
processing capability – ensuring efficient oil purification without interrupting production or system operation.
The unit is designed for industrial-grade continuous operation.
2.3 High Filtration Accuracy & Long Service Life
Aite HCP Series Coalescing & Separating Oil Filter utilizes high-precision filter elements with large contaminant
holding capacity and extended service life – reducing replacement frequency, minimizing maintenance downtime,
and lowering overall operating costs.
2.4 Low Energy Consumption & Operating Costs
Aite HCP Series Coalescing & Separating Oil Filter is designed for energy efficiency – achieving high dehydration
efficiency with low power consumption. This translates directly into reduced operating costs and a faster return on investment.
2.5 No Change to Oil Physical & Chemical Properties
Aite HCP Series Coalescing & Separating Oil Filter removes water and particles through physical separation without
altering the oil's physical and chemical properties – preserving valuable additives, extending oil service life,
and reducing oil replacement frequency.
2.6 Simple Operation & Maintenance
Aite HCP Series Coalescing & Separating Oil Filter features simple and convenient operation and maintenance – requiring
minimal operator training and reducing labor costs for routine servicing.
2.7 Automatic Drainage – Unattended Operation
Aite HCP Series Coalescing & Separating Oil Filter incorporates automatic drainage functionality – enabling truly unattended
operation, minimizing labor requirements, and ensuring consistent dehydration performance without manual intervention.
3. Working Principle
Aite HCP Series Coalescing & Separating Oil Filter operates through a carefully engineered three-stage process:
Stage 1 – Oil Absorption Filtration: Oil first passes through the absorption filtration stage, removing large particles and
contaminants that could damage downstream components.
Stage 2 – Pre-Filtration: Oil then flows through the pre-filtration stage, which removes intermediate-sized particles and
prepares the oil for final fine filtration and coalescing dehydration.
Stage 3 – Fine Filtration & Coalescing Dehydration: In the final stage, high-precision fine filtration captures fine particles,
while the coalescing element merges tiny water droplets into larger beads that settle by gravity and are automatically
drained – achieving clean, dry oil up to NAS Class 5.
4. Technical Specifications
Parameter Specification
Product Series HCP Series Coalescing & Separating Oil Filter
Technology Coalescing and separating dehydration
Filtration Stages Oil absorption filtration + pre-filtration + fine filtration
Oil Cleanliness After Treatment NAS Class 5
Water Removal Efficiency Removes emulsified water and free water
Processing Capability Large flow continuous processing
Energy Consumption Low energy consumption, low operating costs
Oil Properties No change to physical and chemical properties
Drainage Automatic drainage – truly unattended operation
Typical Applications Turbine oil, hydraulic oil, lubricating oil
5. Application Fields
Aite HCP Series Coalescing & Separating Oil Filter is widely used across diverse industrial sectors:
Industry Typical Applications
Power Generation Turbine oil purification and dehydration for steam/gas turbines
Hydraulic Systems Precision filtration and dehydration of hydraulic oil
Lubrication Systems Oil cleaning for circulating lubrication systems
Manufacturing Oil purification for machine tools, presses, and automated equipment
Steel & Metallurgy Hydraulic and lubrication oil maintenance in rolling mills
Marine & Offshore Shipboard hydraulic and lubrication oil dehydration
Aite HCP Series Coalescing & Separating Oil Filter is suitable for hydraulic oil, lubricating oil, turbine oil,
and other industrial oils requiring precision filtration and dehydration.
6. Operation & Maintenance Recommendations
To maximize the performance and service life of Aite HCP Series Coalescing & Separating Oil Filter, follow these guidelines:
· Monitor Differential Pressure – Check regularly; replace pre-filter and fine filter elements when pressure indicates saturation
· Inspect Automatic Drainage – Verify proper operation of automatic drainage system to ensure continuous dehydration efficiency
· Check Oil Cleanliness – Periodically test treated oil to confirm NAS Class 5 cleanliness is maintained
· Replace Elements on Condition – Follow condition-based replacement based on differential pressure rather than
fixed time intervals
· Inspect Seals & Connections – Check for leaks or wear during routine maintenance
· Follow Startup/Shutdown Procedures – Strictly follow recommended sequences to protect the pump and system components
7. Frequently Asked Questions (FAQ)
Q1: What is the Aite HCP Series Coalescing & Separating Oil Filter designed for?
A: Aite HCP Series Coalescing & Separating Oil Filter is a high-performance oil purification system designed for precision
filtration and dehydration of turbine oil, hydraulic oil, lubricating oil, and other industrial fluids – removing particle impurities,
emulsified water, and free water.
Q2: What oil cleanliness level can the Aite HCP Series achieve?
A: Aite HCP Series Coalescing & Separating Oil Filter can achieve oil cleanliness up to NAS Class 5 – meeting the
stringent cleanliness requirements of modern hydraulic and lubrication systems.
Q3: How does the Aite HCP Series remove water from oil?
A: Aite HCP Series Coalescing & Separating Oil Filter uses advanced coalescing and separating dehydration
technology – tiny water droplets are merged into larger beads by the coalescing element, which then settle
by gravity and are automatically drained.
Q4: Does the Aite HCP Series change the oil's physical and chemical properties?
A: No. Aite HCP Series Coalescing & Separating Oil Filter removes water and particles through physical separation
without altering the oil's physical and chemical properties – preserving valuable additives and extending oil service life.
Q5: What industries typically use the Aite HCP Series?
A: Aite HCP Series Coalescing & Separating Oil Filter is widely used in power generation, hydraulic systems, lubrication systems,
manufacturing, steel and metallurgy, and marine industries.
Q6: Is the Aite HCP Series suitable for continuous operation?
A: Yes. Aite HCP Series Coalescing & Separating Oil Filter is designed for large flow continuous processing – enabling
efficient oil purification without interrupting production or system operation.
Q7: How often should the filter elements in the Aite HCP Series be replaced?
A: Replacement interval depends on operating conditions and oil contamination levels. We recommend monitoring
differential pressure – replace pre-filter and fine filter elements when pressure indicates saturation, or as part of
your scheduled preventive maintenance program.
Q8: What does automatic drainage mean for the Aite HCP Series?
A: Aite HCP Series Coalescing & Separating Oil Filter incorporates automatic drainage functionality – enabling truly
unattended operation, minimizing labor requirements, and ensuring consistent dehydration performance without
manual intervention.
Q9: What is the typical operating cost of the Aite HCP Series?
A: Aite HCP Series Coalescing & Separating Oil Filter is designed for low energy consumption and low operating
costs – achieving high dehydration efficiency with minimal power consumption and long filter element service life.
Q10: What documentation is provided with the Aite HCP Series?
A: Each unit includes a factory test report, operating manual, electrical schematics, dimensional drawings,
and material certificates – ensuring smooth installation and comprehensive operational guidance.
Q11: Can the Aite HCP Series be customized?
A: Yes. Custom options for Aite HCP Series Coalescing & Separating Oil Filter include special flow rates, filtration precision,
power supply voltage, and connector types – based on site-specific requirements.
Q12: Can I order a trial unit of the Aite HCP Series?
A: Yes. We support trial orders with standard delivery lead time of 20–30 working days. Our technical team can
provide custom configuration recommendations based on your oil type, flow requirements, and site conditions.
Aite HCP Series Coalescing & Separating Oil Filter – integrated precision filtration and dehydration, NAS Class 5 cleanliness,
large flow continuous processing, automatic drainage for unattended operation. Contact us today for a free configuration
recommendation and competitive factory-direct quotation within 24 hours.






HCP coalescing oil filter – NAS 5 cleanliness, dehydration & filtration in one
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