OF5L10P3M2B20E replaces imported oil filters​

Product Introduction – OF5L10P3M2B20E Import Replacement Oil Filter

The OF5L10P3M2B20E is a high-performance import replacement oil filter designed for maintenance of hydraulic 

pump stations and bypass filtration of hydraulic equipment. This versatile filtration unit comes equipped with a

 conversion system that enables two distinct operating functions, making it an essential tool for hydraulic station maintenance,

 hydraulic lubrication system servicing, fresh oil filling, and bypass filtration applications.

In modern industrial operations, maintaining hydraulic fluid cleanliness is critical to equipment reliability and operational 

efficiency. Contaminants such as metal wear particles, dust, oxidation by-products, and moisture can cause accelerated wear 

of pumps, valves, and actuators, leading to premature component failure, unplanned downtime, and increased maintenance

 costs. The OF5L10P3M2B20E addresses these challenges through its robust construction, flexible configuration options, 

and high-performance filtration capabilities, delivering consistent oil cleanliness across a wide range of applications.

Design and Configuration Flexibility

The OF5L10P3M2B20E features a unique conversion unit that allows the filter to be used in two distinct operating modes. 

This dual-function capability provides exceptional versatility, enabling the unit to serve as both a maintenance filter for 

hydraulic pump stations and a bypass filtration unit for hydraulic equipment. The conversion system allows operators to

 quickly reconfigure the unit based on specific application requirements, eliminating the need for multiple dedicated filtration 

units and reducing capital investment.

The unit is available in multiple configurations to suit different application needs. The OF5M variant (20 kg) provides a

 lightweight, portable solution for smaller systems and mobile applications. The OF5SN variant (46 kg) offers enhanced 

durability for standard industrial applications. The OF5FL variant (75 kg) delivers maximum flow capacity and filtration 

performance for demanding, high-volume applications. This range of options ensures that users can select the optimal 

configuration for their specific operating conditions and performance requirements.

Technical Parameters

Parameter Specification

Product Type OF5L10P3M2B20E Import Replacement Oil Filter

Body Material Carbon steel / Stainless steel (options available)

Filter Media Glass fiber / Metal mesh / Paper (options available)

Working Pressure 4.5 ~ 16 bar

Suction Pressure (Inlet) -0.4 bar ~ 0.6 bar

Ambient Temperature Range -20°C ~ +40°C

Medium Temperature Range -10°C ~ +80°C

Viscosity Range 15 mm²/s ~ 800 mm²/s

NAS Cleanliness Grade 5 ~ 6 (achievable depending on element selection)

Hose Length 3 meters

Nominal Hose Inner Diameter Suction hose: 30 mm; Outlet hose: 25 mm

Weight OF5M: 20 kg; OF5SN: 46 kg; OF5FL: 75 kg

Flow Rate Range 30 L/min ~ 100 L/min

Filtration Accuracy Available in multiple grades to suit application requirements

Performance Characteristics

The OF5L10P3M2B20E is engineered with a focus on operational reliability, user convenience, and versatile application. 

Key performance characteristics include:

1. Reliable performance with low noise operation – The industrial-grade motor and pump combination provides stable, 

consistent performance while maintaining low operating noise levels. This creates a more comfortable working environment

 for maintenance personnel and enables operation in noise-sensitive areas.

2. Compact and aesthetically pleasing structure – The unit's space-saving design allows easy integration into existing 

maintenance workflows without occupying excessive floor space. The clean, professional appearance reflects the high

 quality of engineering and manufacturing.

3. Easy maintenance and user-friendly operation – The intuitive control interface and straightforward filter element 

replacement procedure reduce training requirements and simplify routine maintenance tasks. Quick-connect hose fittings 

enable fast setup and connection to various oil systems.

4. High precision with wide filtration range – The unit supports a broad range of hydraulic oil filter elements, allowing users 

to select from multiple precision grades based on specific system requirements. This flexibility ensures optimal filtration

 performance for different applications and cleanliness targets.

5. Versatile media options – The OF5L10P3M2B20E is available with three media types: glass fiber for high-efficiency depth

 filtration, metal mesh for mechanical strength and cleanability, and paper for cost-effective general-purpose applications. 

This range allows users to match the media to their specific contamination control needs.

6. Dual-function conversion capability – The built-in conversion unit enables the filter to serve as both a maintenance filter 

and a bypass filtration unit, providing exceptional application flexibility and reducing the need for multiple dedicated units.

Scope of Application

The OF5L10P3M2B20E is suitable for a wide range of industrial applications, including:

· Hydraulic pump station maintenance – Regular oil purification to maintain system cleanliness and extend oil service life.

· Hydraulic lubrication system servicing – Filtration of circulating lubricating oil in gearboxes, compressors, and turbines.

· Fresh oil filling – Pre-filtration of new oil before introduction into hydraulic systems to prevent contamination ingress.

· Bypass filtration – Continuous or periodic offline oil cleaning for systems where inline filtration is insufficient.

· Equipment commissioning – Oil conditioning during new equipment startup and system flushing.

The unit is ideal for industries such as machinery manufacturing, metallurgy, mining, power generation, automotive production,

 and marine applications.

Economic and Operational Benefits

· Extends oil service life – Continuous contamination control reduces the frequency of full oil changes.

· Prevents equipment wear – Removal of abrasive particles protects pumps, valves, and actuators.

· Reduces maintenance downtime – Quick setup and operation minimize disruption to production schedules.

· Saves operating costs – Low energy consumption and long filter element service life reduce overall expenses.

· Enhances system reliability – Maintains oil cleanliness at recommended ISO and NAS levels.

· Supports sustainability goals – Extended oil life reduces waste generation and disposal costs.

Quality Assurance

The OF5L10P3M2B20E is manufactured under strict quality control standards. Each unit undergoes comprehensive factory

 testing, including flow performance validation, pressure integrity verification, and functional testing of all control systems.

 The wide range of filter media options ensures consistent filtration performance across different applications, while the 

rugged construction guarantees reliable operation in demanding industrial environments.

Frequently Asked Questions (FAQ)

Q1: What types of oil can the OF5L10P3M2B20E handle?

A: The unit is suitable for mineral-based hydraulic oils, lubricating oils, and gear oils within the viscosity range of 15~800 mm²/s. 

For synthetic fluids, fire-resistant fluids, or other specialty oils, please consult our technical team for compatibility verification. 

The unit's versatile media options allow customization for different fluid types.

Q2: What is the difference between the three available configurations (OF5M, OF5SN, OF5FL)?

A: The three configurations differ primarily in weight and flow capacity:

· OF5M (20 kg): Lightweight, portable solution for smaller systems and mobile applications, ideal for maintenance personnel

 who need to move the unit frequently.

· OF5SN (46 kg): Standard industrial configuration with enhanced durability for typical workshop applications.

· OF5FL (75 kg): Heavy-duty configuration delivering maximum flow capacity and filtration performance for demanding, 

high-volume applications. Choose based on your specific flow requirements and operating environment.

Q3: What is the purpose of the conversion unit?

A: The conversion unit enables the OF5L10P3M2B20E to operate in two distinct functions. This allows the unit to serve as both 

a maintenance filter for hydraulic pump stations and a bypass filtration unit for hydraulic equipment. The quick-change 

capability provides exceptional application flexibility and eliminates the need for multiple dedicated units, saving both space 

and capital investment.

Q4: What media options are available, and how do I choose the right one?

A: Three media options are available:

· Glass fiber: Highest filtration efficiency, depth-loading, excellent dirt-holding capacity – ideal for precision hydraulic systems

 requiring tight cleanliness control.

· Metal mesh: Surface filtration, mechanically robust, can be cleaned in certain applications – suitable for high-pressure and 

washable applications.

· Paper (cellulose) : Cost-effective, good general-purpose performance – ideal for non-critical industrial applications. 

Select based on your system's cleanliness requirements, operating conditions, and budget constraints.

Q5: How often should the filter element be replaced?

A: Replacement frequency depends on the contamination level of the oil being processed and the total volume of oil treated. 

The unit is equipped with a differential pressure indicator that signals when the filter element is saturated and requires

 replacement. Under typical operating conditions, elements may need replacement every 3–12 months, depending on usage 

and oil condition. Regular oil analysis is recommended for optimized maintenance scheduling.

Q6: What is the achievable NAS cleanliness grade?

A: The unit can achieve NAS Grade 5–6, depending on the selected filter element precision and the initial oil condition. 

This level of cleanliness is suitable for most hydraulic systems, including those with sensitive servo-valves and proportional

 controls. For applications requiring higher cleanliness (NAS 3–4), please consult our technical team for specialized element

 options.

Q7: Is the unit suitable for continuous operation?

A: Yes. The industrial-grade motor and pump are designed for continuous-duty operation. The unit supports long-term stable 

operation with routine maintenance. For extended continuous operation, we recommend periodic inspection of hoses, seals,

 and the differential pressure indicator to ensure consistent performance.

Q8: What is the recommended operating pressure range?

A: The working pressure range is 4.5~16 bar. The suction pressure at the inlet ranges from -0.4 bar to +0.6 bar. Operating outside 

these ranges may affect filtration performance and pump efficiency. Please ensure your system operating parameters fall 

within these specifications. For applications with higher pressure requirements, alternative models may be recommended.

Q9: Can the unit be used for fresh oil filling?

A: Yes. The OF5L10P3M2B20E is specifically designed for fresh oil filling applications. Pre-filtration of new oil before 

introduction into hydraulic systems prevents contamination ingress and ensures that the system starts with clean oil.

 This practice significantly extends oil service life and reduces the risk of component wear.

Q10: What safety features are incorporated into the design?

A: The unit includes overload protection for the motor, pressure relief valves, and grounding to prevent static discharge. 

The control panel features emergency stop functionality, and all high-voltage components are enclosed for operator protection. 

The robust construction with carbon steel or stainless steel body ensures mechanical integrity during operation. Always follow 

the operating manual for safe operation.

Q11: Can the OF5L10P3M2B20E be used for high-viscosity oils?

A: The unit is designed for oils within the viscosity range of 15~800 mm²/s. For higher viscosity oils, the pump may require 

additional power or preheating of the oil to achieve optimal flow rates. Please consult our technical team for specific 

high-viscosity applications to ensure proper pump and motor selection.

Q12: What is the maximum hose length that can be used?

A: The standard hose length is 3 meters. While longer hoses may be used, increased hose length will add to the suction 

resistance and may reduce flow rate. For extended hose requirements, we recommend consulting our technical team to 

determine the maximum practical length based on your specific system configuration and operating parameters.

Q13: What maintenance is required for the unit itself?

A: Routine maintenance includes:

· Periodic inspection and cleaning of the unit exterior

· Checking hoses and fittings for wear, cracking, or leakage

· Monitoring the differential pressure indicator for element saturation

· Replacing seals during filter element changes (recommended)

· Annual inspection of the motor, pump assembly, and electrical connections

  Refer to the operating manual for a complete maintenance schedule and interval recommendations.

Q14: How do I determine if the OF5L10P3M2B20E is the right solution for my application?

A: We recommend evaluating your application against the following criteria:

· Oil type and viscosity: 15~800 mm²/s range

· Flow rate requirement: 30~100 L/min

· Operating pressure: 4.5~16 bar

· Cleanliness target: NAS 5~6

· Operating temperature: -20°C ~ +80°C

· Required configuration: OF5M (lightweight), OF5SN (standard), or OF5FL (heavy-duty)

  For a detailed application assessment, please contact our technical team with your specific requirements.

Q15: What documentation is provided with each shipment?

A: Each unit ships with a factory test report, operating manual, electrical schematics, dimensional drawings, and a spare parts

 list. Material certificates for wetted components are available upon request. We also provide a startup checklist and

 troubleshooting guide to assist with installation, commissioning, and ongoing operation.

Q16: What is the typical return on investment (ROI) for this unit?

A: ROI depends on application scale and current oil maintenance practices. Typical payback periods range from 6 to 18 

months based on savings from reduced oil consumption, extended equipment life, decreased maintenance labor costs, 

and reduced downtime. The unit's dual-function capability and flexible configuration options further enhance ROI by 

eliminating the need for multiple dedicated units. We can provide a customized ROI analysis based on your specific 

operating parameters and application requirements.

Summary

The OF5L10P3M2B20E Import Replacement Oil Filter is a versatile, high-performance filtration unit designed for maintenance

 of hydraulic pump stations and bypass filtration of hydraulic equipment. With its unique conversion unit enabling two distinct

 operating functions, robust construction, flexible media options, and compact design, the unit provides reliable, 

cost-effective oil purification across a wide range of industrial applications. The three available configurations 

(OF5M, OF5SN, OF5FL) allow users to select the optimal solution for their specific flow requirements and operating conditions,

 delivering measurable economic and operational benefits including extended oil life, reduced equipment wear, 

and decreased maintenance downtime.

Contact Us

For detailed datasheets, configuration advice, or project-specific quotations, please contact our technical team. 

We are here to help you find the optimal solution for your oil maintenance needs.