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DONALDSON
Medium Pressure Filters

Medium Pressure Filters

Product catalog summary

Overview: The document provides comprehensive details on Donaldson's medium pressure filters, suitable for applications up to 2000 psi (13790 kPa). It covers various models, including spin-on and in-line cartridge-style filters, highlighting their features, specifications, and applications.

Specifications:

Max Operating Pressure: Less than 2000 psi (138 bar)
Flow Range: Up to 25 gpm (95 lpm)
Standard Bypass Ratings: 50 psi or No Bypass
Operating Temperatures: -20°F to 250°F (-29°C to 121°C)
Housing Fatigue Strength Ratings: Up to 1,000,000 cycles at varying pressures
Filter Collapse Rating: 290 psid / 20 bar
Beta Rating: Performance to ß6(c)=1000
Porting Size Option: SAE-12 O-ring

HMK03 Duramax® Spin-On Filters:

Features a die-cast aluminum head and a unique radial seal O-ring gasket design.
Max Flow: 25 gpm (95 lpm)
Applications include pilot control circuits, refrigeration compressor circuits, and hydrostatic transmission charge pumps.

HMK04/24 Duramax® Spin-On Filters:

Designed for higher flow rates, with HMK24 handling double the flow capacity of HMK04.
Max Flow: 35 gpm (130 lpm) for HMK04 and 60 gpm (230 lpm) for HMK24.
Features include a die-cast aluminum head, heavy-duty steel body, and a special head-to-canister O-ring seal.

Filter Media Options:

Synteq™ synthetic media designed for liquid filtration.
Various micron ratings available, including 5 µm, 9 µm, 10 µm, and others.
Compatible with petroleum-based fluids, phosphate esters, water oil emulsions, and HWCF.

Performance Data:

Graphs provided for pressure drop versus flow rate for different filter sizes and configurations.

Recommendations:

Lubricate filter-to-head threads when installing new filters to prevent thread damage.
Choose appropriate seals (Buna-N® or Viton®) based on fluid compatibility and operating conditions.

HMK05/25 and HNK04/05 DURAMAX® Spin-On Filters:

HMK05/25 Filters: Double filter head for increased flow capacity, pressure ratings up to 350 psi, and static burst ratings up to 800 psi. Flow rates of 50 gpm for HMK05 and 100 gpm for HMK25.
HNK04/05 Filters: RadialSeal™ design for easy servicing, flow rates of 35 gpm for HNK04 and 50 gpm for HNK05, pressure ratings up to 500 psi.
W061 Filters: In-line cartridge filtration, flow rates up to 100 gpm, working pressures up to 600 psi.

Media Options: Donaldson offers a mix and match system with media options including wire mesh and Synteq™ synthetic media.

Construction and Materials: Filter heads are constructed from cast aluminum or ductile iron, with housing materials including steel.

Applications: Suitable for case drains, fluid conditioning, power transmissions, return-line systems, hydrostatic charge pumps, lube oil systems, cooling circuits, and fuel transfer.

Additional Features: Thermal lockout and surge control in differential indicators to prevent premature actuation during cold start-ups or pressure surges.

DT and DX2 Filters:

Use of glass fiber media with epoxy-based resin for chemical compatibility.
Epoxy-coated steel mesh for pleat support and dirt capacity.
Viton® seals are standard, and DX2 filters use nylon mesh for pleat support.

Service and Maintenance: Guidance on reading the visual indicator for filter servicing and optional tee handle for easier servicing of the HDK06 cartridge.

W041 and W042 Hydraulic Filtration Systems:

W041 In-Line Cartridge Filters: Working Pressure up to 500 psi, Flow Range up to 300 gpm.
W042 Duplex Filters: Working Pressure up to 400 psi, Flow Range up to 300 gpm.
Features include deep pleat filters for higher dirt holding capacity and Donaldson DT 4-layer media filter construction.

Service Parts and Options: Various seals and kits available, including Buna-N® and Fluorocarbon seals.

Ordering Guide: Tables provide codes for filter assembly, collapse options, port size, bypass settings, indicator styles, seal options, and assembly lengths.

DT and HFK08 Series Filters:

Filter Models: DT-8310-16 and DT-8310-39 with various micron ratings.
Max Flow: 300 gpm.
Media Ratings: Bx(c)=1000 for high-performance filtration.

Procedures: Filters are ordered separately and can be configured with specific features and specifications.

Norms and Standards: Operating pressures up to 350 psi, Rated static burst pressure up to 500 psi.

Recommendations: Use Viton® seals for applications involving diester, phosphate ester fluids, and high water content fluids over 150°F.

Component Options: Various port sizes and bypass settings available, Electrical and visual indicator styles for pressure drop monitoring.

Key Features: HFK08 filters available in in-line and in-tank models with Synteq™ synthetic media.

Additional Information: Metric porting available by changing W042 to G042.

Catalog excerpts

FILTRATION SOLUTIONS Medium Pressure Filters Medium Pressure Filters Medium pressure filters Donaldson offers both cartridge-style filters. Donaldson Duramax® filters are the highest rated medium pressure spin-on filters available. Duramax filters are proven, reliable, long-lived Section Index Models arranged from low to maximum flow rates Spin-on Filters In-line Cartridge Filters

Open the catalog to page 1

HMK03 DURAMAX Spin-On Filters Rated Static Burst to: HMK03 Series Duramax® spin-on filters offer twice the capacity of competitive filters, yet they are physically smaller than traditional housing/cartridge filter assembles. It features a die cast aluminum head and a unique radial seal O-ring gasket design that eliminates leakage. Take advantage of Donaldson's mix and match system of in-stock heads, housings and media choices - so you can get exactly what you need. A full range of media options are available, using Donaldson's exclusive Synteq™ synthetic media designed especially for liquid filtration....

Open the catalog to page 2

FILTRATION SOLUTIONS All dimensions are shown in inches [millimeters]. Assembly - Side Views Long Assembly Short Assembly Pilot Control Circuits Refrigeration Compressor Circuits Hydrostatic Transmission Charge Pumps Head - Top View with Indicators Head with DC Electrical Indicator Head with AC/DC Electrical Indicator Head with Visual Indicator

Open the catalog to page 3

FILTRATION SOLUTIONS Filter Choices Filter Notes • Synteq™ filter media is compatible with petroleum based fluids, most phosphate esters, water oil emulsions, and HWCF (high water content fluids). •All models have 2 " -12 threads • Buna-N® is a registered trademark of E. I. DuPont de Nemours and Company. In-Oil Service Indicator Choices "Head is machined to accept optional electrical indicators. See Indicator list at right for the available choices. Electric Single post DC 1 All electric models have a maximum operating temperature of 250°F/121 °C 2 See illustration of indicator styles on next...

Open the catalog to page 4

FILTRATION SOLUTIONS Service Indicator Styles (See table on opposite page Performance Data Friction Ring Lubricate filter-to- head threads when Spin-On Filter Hydraulic Filtration

Open the catalog to page 5

FILTRATION SOLUTIONS HMK04/24 DURAMAX Spin-On Filters Rated Static Burst to: HMK04 (single) and HMK24 (double) Duramax® spin-on filters both feature a die-cast aluminum head, a heavy-duty steel body with diecast aluminum top plate for added strength. A special head-to-canister O-Ring seal prevents leakage. Buna-N seals are standard; Viton® seals are available on some models. Since both HMK04 and HMK24 models use the same replacement filters, they make a great team for your application. Both filters feature identical pressure ratings, but HMK24 handles double the flow capacity as HMK04, so there's...

Open the catalog to page 6

FILTRATION SOLUTIONS All dimensions are shown in inches [millimeters]. Assembly - Side Views Long Assembly Case Drains Side Loop Systems Bearing/Gear Lube Systems Hydrostatic Charge Pumps Power Transmissions Cooling Circuits Fuel Transfer Short Assembly Heads - Top & Side Views with DC Electrical Indicator with AC/DC Electrical Indicator HMK24 Head Side View

Open the catalog to page 7

FILTRATION SOLUTIONS Filter Choices for both HMK04 and HMK24 • Refer to table in the Technical Reference Guide for fluid compatibility with our filter media. • Standard filter collapse rating is 150 psi, except as noted ' Filters with seals made of Buna-N® are appropriate for most applications involving petroleum oil. Filters with seals made of Viton® (a fluoroelastomer) are required when using diester, phosphate ester fluids, water glycol, water/oil emulsions and HWCF (high water content fluids) over 150°F. Donaldson offers both types. Buna- are a registered trademarks of E. I. DuPont de Nemours...

Open the catalog to page 8

FILTRATION SOLUTIONS Head Choices for HMK04 (single) Standard Indicator D (Visual), Both Sides D (Visual), Both Sides D (Visual), Both Sides (25 psi) A, B, C D (Visual, Right Side) D (Visual), Both Sides D (Visual), Left Side (25 psiD) None D (Visual), Left Side (25 psiD) Service Indicator Choices Use with Bypass Indicator Valve Pressure of: Part No. Style3 Description Use with Bypass Indicator The filter head snout/ post must be lubricated thread damage. Head Notes l Reference illustration below for indicator styles. 2 Donaldson uses the inlet port as the reference point. "Left side," for instance,...

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FILTRATION SOLUTIONS HMK05/25 DURAMAX Spin-On Filters Rated Static Burst to: HMK05 (single) and HMK25 (double) Duramax spin-on filters are perfect for high-flow applications, featuring a heavy-duty steel body and diecast top plate for added strength. A special head-to-canister O-Ring seal prevents leakage. Buna-N® seals are standard. Viton® seals made of fluorocarbon are available. Since both HMK05 and HMK25 models use the same replacement filters, they make a great team within your application. Both filters feature identical pressure ratings, but the HMK25 double filter head means double flow...

Open the catalog to page 10

FILTRATION SOLUTIONS All dimensions are shown in inches [millimeters]. Assembly - Side Views REMOVE SPIN-ON ASSEMBLYS Case Drains Fluid Conditioning Power Transmissions Return-Line & Side Loop Systems Hydrostatic Charge Pumps Cooling Circuits Fuel Transfer with AC/DC Electrical with AC/DC Electrical

Open the catalog to page 11

FILTRATION SOLUTIONS Service Parts Filter Notes • Refer to table in the Technical Reference Guide for fluid compatibility with our filter media. ' Filters with seals made of Buna-N® are appropriate for most applications involving petroleum oil. Filters with seals made of Viton® (a fluoroelastomer) are required when using diester, phosphate ester fluids, water glycol, water/oil emulsions, and HWCF (high water content fluids) over 150°F. Donaldson offers both types, as shown in the table above. Filters with seals made of Buna-N® are appropriate for most applications involving petroleum oil Viton®...

Open the catalog to page 12

FILTRATION SOLUTIONS Head Choices for HMK05 (single) Standard Indicator D (Visual), Both Sides (25 psi) VA" NPT 25 psi/172 KPa D (Visual), Left Side (25 psi) 25 psi /172 KPa D (Visual), Both Sides (25 psi) 50 psi / 345 KPa D (Visual), Left Side, Blank Plate Right Side A, B, C, E, F D (Visual), Both Sides (25 psi) Single Head D (Visual), Right Side (25 psi) D (Visual), Both Sides (50 psi) Head Choices for HMK25 (double) Indicator Style Indicator Part Left side only Both sides Both Sides Both sides ' Ductile Iron Construction Head Choice for HMK05 (3rd port return) Indicator Style Indicator 3 Complete...

Open the catalog to page 13

Medium Pressure Filters

Medium Pressure Filters

Catalog excerpts

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