HH8370F48KNUBR24DC filter

Product Overview

The HH8370F48KNUBR24DC filter element is a premium-grade industrial filtration solution engineered to deliver 

exceptional performance in demanding fluid purification applications. Combining advanced material science with 

precision manufacturing, this high-capacity filter element offers outstanding contaminant removal efficiency, remarkable

 thermal stability, and superior chemical resistance. Designed for direct integration into a wide range of filtration systems,

 the HH8370F48KNUBR24DC ensures reliable protection of critical equipment, extended service intervals, and consistently 

high fluid quality across diverse industrial sectors.

Advanced Material and Construction

The HH8370F48KNUBR24DC is manufactured using high-performance filtration media specifically formulated to meet

 the rigorous demands of modern industrial processes. The proprietary material composition results in a filter element

 that delivers superior performance characteristics not achievable with conventional media:

Optimized Pore Structure: The filter media features a carefully controlled pore architecture that balances high flow rates

 with efficient contaminant capture. This optimized structure ensures that the element achieves the required filtration 

accuracy while maintaining minimal flow resistance.

High-Strength Fiber Matrix: The fiber composition provides exceptional mechanical strength, ensuring that the element 

maintains structural integrity under severe operating conditions. Even when subjected to high-velocity fluid flow, 

intense vibration, or mechanical shock, the fiber matrix does not shed or degrade, preventing secondary contamination 

of the filtered fluid.

Welding and Corrugation Capability: The filter material supports both corrugation (pleating) to increase effective filtration 

area and welding processing for custom configurations. This versatility allows the element to be adapted to specific housing 

requirements and performance targets without compromising media integrity.

Technical Specifications

Parameter Specification

Nominal Flow Rate 760 L/min

Filtration Accuracy 5 – 50 μm (selectable)

Nominal Pressure 1.0 MPa

Maximum Pressure Loss 0.35 MPa

Maximum Operating Temperature 480°C

Chemical Resistance Nitric acid, alkalis, organic solvents, pharmaceuticals

Performance Characteristics

(1) High Porosity and Excellent Permeability

The HH8370F48KNUBR24DC features a highly porous filter structure that allows fluid to pass through with minimal resistance. 

This excellent permeability translates to low pressure loss across the element, even at high flow rates. For system operators,

 this means reduced pumping energy consumption, lower operating costs, and maintained system efficiency throughout the 

element's service life.

(2) Large Contaminant-Holding Capacity

The element's depth-loading design provides substantial capacity for contaminant storage before reaching the differential 

pressure limit. This large dirt-holding capacity significantly extends the replacement cycle compared to conventional 

surface-type filters. Maintenance intervals are extended, consumable costs are reduced, and operator exposure to process 

fluids during element changes is minimized.

(3) Exceptional Temperature Resistance

Engineered for extreme thermal environments, the HH8370F48KNUBR24DC maintains its structural integrity and filtration 

performance at continuous operating temperatures up to 480°C. This outstanding heat resistance makes it suitable for

 high-temperature hydraulic circuits, thermal fluid systems, and specialized industrial processes where standard filter 

media would rapidly degrade or fail.

(4) Superior Chemical Resistance

The filter material demonstrates excellent resistance to a broad spectrum of aggressive chemicals, including nitric acid, 

alkalis, organic solvents, and pharmaceutical compounds. This broad chemical compatibility ensures reliable operation 

in corrosive environments, chemical processing applications, and systems utilizing aggressive hydraulic fluid formulations.

(5) High Mechanical Strength

The element's robust construction withstands severe mechanical stress, including high-velocity fluid scouring, strong vibration, 

and pressure surges. The fiber matrix resists erosion, compaction, and breakdown, ensuring consistent filtration performance 

over the entire service life.

(6) Corrugation for Increased Filtration Area

The media can be pleated (corrugated) to significantly increase the effective filtration surface area within a given housing 

envelope. This increased area further reduces pressure drop, enhances dirt-holding capacity, and extends service life—all 

without increasing the element's dimensional footprint.

Filtration Accuracy Options

The HH8370F48KNUBR24DC is available in multiple filtration accuracy grades ranging from 5 μm to 50 μm, allowing operators 

to select the optimal rating for their specific application requirements. Finer grades (5–10 μm) are recommended for protecting 

sensitive servo-valves and precision hydraulic components, while coarser grades (20–50 μm) are suitable for general industrial 

filtration where flow rate and extended service life are prioritized.

Application Fields

The versatility of the HH8370F48KNUBR24DC makes it suitable for a wide array of industrial applications:

· Hydraulic Systems: High-temperature and high-pressure hydraulic circuits, including those in steel mills, forging presses, 

and heavy machinery

· Power Generation: Turbine lubrication systems, EHC (Electro-Hydraulic Control) filtration, and thermal fluid circuits

· Chemical Processing: Filtration of corrosive fluids, acids, alkalis, and organic solvents in chemical manufacturing

· Pharmaceutical Industry: Sterile filtration and chemical-resistant applications requiring high purity levels

· Metallurgical Industry: Rolling mill hydraulic systems, continuous casting lubrication, and high-temperature fluid purification

· Oil and Gas: Hydraulic control systems and process fluid filtration in exploration and production

Quality Assurance

Each HH8370F48KNUBR24DC filter element undergoes comprehensive quality control testing to verify dimensional accuracy,

 media integrity, and filtration performance. Manufacturing processes are validated to international quality standards, 

ensuring consistent product quality batch after batch.

Frequently Asked Questions

Q1: What is the filtration accuracy range of this element?

The HH8370F48KNUBR24DC is available in accuracy grades from 5 μm to 50 μm. Please specify your required filtration rating 

when ordering to ensure the correct element is supplied for your application.

Q2: What is the maximum operating temperature for this filter element?

The element can operate continuously at temperatures up to 480°C without degradation of filtration performance or structural 

integrity. For applications approaching this temperature, please verify housing seal material compatibility.

Q3: What chemicals is the element resistant to?

The element demonstrates excellent resistance to nitric acid, alkalis, organic solvents, pharmaceutical compounds, and many 

other aggressive chemicals. For specific chemical compatibility verification, please contact our technical team with your 

process fluid composition.

Q4: Can this element be cleaned and reused?

No. The HH8370F48KNUBR24DC is a disposable depth-type filter element. Cleaning is not recommended as it may damage 

the media structure and cannot restore the element to its original filtration performance. Always replace with a new element

 when the differential pressure alarm indicates service is required.

Q5: What is the maximum allowable pressure loss?

The maximum pressure loss is 0.35 MPa. When differential pressure approaches this value, the element should be replaced to

 prevent bypass valve activation and maintain system protection.

Q6: What is the nominal flow capacity?

The element is rated for a nominal flow of 760 L/min. Actual flow capacity may vary depending on fluid viscosity, operating 

temperature, and specific system conditions.

Q7: Does the element shed fibers during operation?

No. The high-strength fiber matrix and proprietary manufacturing process ensure that fibers do not shed or release into the

 filtered fluid, even under severe flow surges, vibration, or pressure pulsation.

Q8: Can the element be corrugated or welded for custom configurations?

Yes, the filter material supports both corrugation (pleating) to increase filtration area and welding processing for custom

 configurations. Please consult our engineering team for custom design requirements.

Q9: How long is the replacement cycle?

Replacement intervals depend on system contamination levels, operating hours, and fluid condition. The element's large 

dirt-holding capacity provides extended service compared to standard elements. We recommend monitoring differential 

pressure and replacing the element when the specified change-out value is reached.

Q10: Is the element compatible with water-glycol fluids and phosphate esters?

Yes, the element material is compatible with water-glycol fluids, phosphate ester hydraulic oils, mineral oils, and many other 

hydraulic media. For specific fluid compatibility verification, please contact our technical support team.

Q11: What is the recommended storage condition for unused elements?

Store in a clean, dry environment away from direct sunlight, extreme temperatures, and chemical fumes. Keep in original 

packaging until ready for installation to prevent contamination.

For technical support, custom configurations, or application-specific guidance, please contact our engineering team. 

Specifications are subject to continuous improvement and may be updated without prior notice.

Product details