Compact high-pressure filtration – protecting servo and control systems.

The PLF series high-pressure filters offer a flow rate range of 30 to 660 L/min, with filtration ratings available at 10 μm and 20 μm to meet diverse system cleanliness requirements. The series supports three pressure classes — 6.3 MPa, 16 MPa, and 32 MPa — accommodating a wide spectrum of hydraulic applications. Designed for reliable operation across extreme conditions, the filters function within a working temperature range of -25°C to 110°C and are compatible with hydraulic oil and glycol-based fluids. Connection options include both threaded and flange types, providing flexible integration into various system layouts.

Key Features

· Compact & Space-Saving – More compact structure and smaller footprint compared to conventional filters

 with equivalent flow capacity, making it ideal for installations with limited space.

· Versatile Pressure Ratings – Available in three pressure classes (6.3, 16, and 32 MPa) to suit a wide range 

of system 

requirements.

· Flexible Element Replacement – The filter element can be replaced in two convenient ways, depending on

 installation 

space:

  · Open the top cover and replace from above.

  · Unscrew the housing (after draining oil) and remove the element from the bottom.

· Reversible Flow Direction – If the standard flow direction poses installation challenges, simply remove

 the 4 screws 

on the cover and rotate it 180 degrees to reverse the direction of medium flow, providing maximum installation

 flexibility.

· Easy Mounting – The filter is designed for straightforward fixing and installation, with multiple options to 

accommodate various system layouts.

Application Fields

The PLF series high-pressure filters are ideal for:

· Automatic Control Systems – Protecting sensitive control components from contamination.

· Servo Systems – Ensuring clean oil supply for precise servo valve operation.

· High-Pressure Hydraulic Systems – Where reliable filtration at elevated pressures is essential.

Summary

The PLF-H110*10P high-pressure filter delivers reliable, high-performance filtration in a compact package.

 With flexible installation options, versatile pressure ratings, and easy maintenance access, it provides effective

 contamination control for precision hydraulic and servo systems, reducing downtime and extending

 component life.

FAQ (Frequently Asked Questions)

Q1: What is the flow rate range of the PLF series filters?

A: The PLF series offers a flow rate range of 30 to 660 L/min, accommodating a wide variety

 of hydraulic system sizes and requirements — from small servo systems to large industrial hydraulic

 applications.

Q2: What pressure ratings are available for this series?

A: The PLF series is available in three pressure classes: 6.3 MPa, 16 MPa, and 32 MPa, 

allowing users to select the appropriate filter based on their system's operating pressure.

Q3: What filtration ratings are available?

A: The PLF series offers filtration ratings of 10 μm and 20 μm, providing flexibility to meet different 

cleanliness requirements for various hydraulic applications.

Q4: What temperature range can this filter handle?

A: The PLF series operates reliably within a working temperature range of -25°C to 110°C,

 making it suitable for both cold-start and high-temperature hydraulic applications.

Q5: What types of connection are available?

A: The PLF series supports both threaded and flange connections, offering installation flexibility to 

match existing piping systems and layouts.

Q6: What working media is this filter compatible with?

A: The PLF series is compatible with hydraulic oil and glycol-based fluids, making it suitable for

 a variety of hydraulic and lubrication systems.

Q7: How is the filter element replaced?

A: The filter element can be replaced in two convenient ways, depending on installation space:

· From above – open the top cover and replace the element

· From below – unscrew the housing (drain oil first) and remove the element from the bottom

This flexible design accommodates different installation configurations and space constraints.

Q8: Can the flow direction be adjusted if my installation layout requires it?

A: Yes. If the standard flow direction poses installation difficulties, simply remove the four screws on 

the cover and rotate it 180 degrees to reverse the medium flow direction, providing maximum installation

 flexibility for complex piping layouts.

Q9: What are the key advantages of the compact design?

A: The PLF series features a more compact structure and smaller footprint compared to conventional

 filters with equivalent flow capacity, making it ideal for installations where space is limited or 

equipment density is high.

Q10: What types of systems is this filter best suited for?

A: The PLF series high-pressure filters are ideal for:

· Automatic control systems – protecting sensitive control components

· Servo systems – ensuring clean oil supply for precise servo valve operation

· High-pressure hydraulic systems – where reliable filtration at elevated pressures (up to 32 MPa) is essential

Q11: Is installation difficult for this filter?

A: Not at all. The PLF series is designed for straightforward fixing and installation, with multiple options to

 accommodate various system layouts, making it easy to integrate into both new and existing hydraulic systems.

Q12: What is the model number of the filter referenced in the summary?

A: The summary references the PLF-H110×10P high-pressure filter, which features a 10 μm filtration rating

 and is designed for high-performance applications.

Q13: What is the overall value proposition of the PLF series?

A: The PLF series delivers:

· High-performance filtration with precision ratings down to 10 μm

· Versatile pressure options (6.3, 16, and 32 MPa) to match system requirements

· Compact footprint for space-saving installation

· Flexible installation with reversible flow direction and two element replacement methods

· Wide temperature range (-25°C to 110°C) for diverse operating environments

· Easy maintenance with accessible element replacement

· Broad application across automatic control, servo, and high-pressure hydraulic systems

· Reduced downtime and extended component life through reliable contamination control

Q14: What is the difference between the PLF series and the PLF-C30×20P model?

A: The PLF series is a product family offering a wide range of flow rates (30–660 L/min),

 pressure ratings (6.3, 16, and 32 MPa), and filtration ratings (10–20 μm), with both threaded and 

flange connections. The PLF-C30×20P is a specific model within this series, featuring a flow rate 

of 30 L/min, 20 μm filtration rating, threaded connection, and 6.3 MPa working pressure.

Q15: Can this filter be used to replace an existing filter of a different brand?

A: For retrofit applications, please consult our technical team with your existing filter specifications and 

system requirements. We will verify compatibility regarding flow rate, pressure rating, connection type, 

and filtration performance to ensure a proper replacement solution.

Q16: How does the wide pressure application benefit system design?

A: The availability of three pressure classes (6.3, 16, and 32 MPa) allows system designers to standardize

 on a single filter platform across different pressure zones within a facility, simplifying spare parts inventory, 

reducing training requirements, and minimizing the number of different filter models needed.

Contact Us

For detailed technical data sheets, model selection assistance, or custom configurations, 

please contact our technical team. We are ready to help you find the right filtration solution for your application.