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Summary of Contents for HYDAC International MultiRheo MRF1E/1 Series
- Page 1 MultiRheo Filter MRF 1 E / 1… MRF 1 N / 1… MRF 1 K / 1… Installation instructions 3550863f / 2025-02...
- Page 2 Translation / original language: German © 2025 HYDAC Filter Systems GmbH. All rights reserved. ® All product names used may be trademarks or registered trademarks of HYDAC or the particular owner. This manual was prepared to the best of our knowledge. Nevertheless, and despite the greatest care, it cannot be ruled out that mistakes could have crept in.
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Page 3: Table Of Contents
CONTENTS Contents General ........................... Target group of the manual ................Illustrations in the manual................... 1.2.1 Depiction of warning signs..............1.2.2 Representation of requirements ............1.2.3 Representation of procedural instructions ..........1.2.4 Representation of intermediate results/results ........1.2.5 Supplementary symbols ............... Warranty ...................... -
Page 4: Tab. 24 Spare Parts Mrf1-N
CONTENTS Replacing the filter element – MRF1 E ............... Replacing the filter element – MRF1 N............... Changing the filter element................. Rectifying a malfunction ....................Decommissioning/Disposal ..................... Temporary shutdown..................Permanent shutdown..................Disposal/Recycling ..................... Annex ..........................10.1 Finding spare parts..................... 10.1.1 Filter elements – Flexmicron Economy FM-E........10.1.2 Filter elements –... -
Page 5: General
1. GENERAL General 54043196243574411 Before you use this product for the first time, read this manual at least up to the chapter "Operation". If you would like to carry out maintenance or troubleshooting, you can find the procedure in the respective chapters. The use and the handling of the product as well as its use are not self-explanatory and are described in detail in this manual. - Page 6 1. GENERAL Warnings visually highlighted in boxes Warnings visually highlighted in boxes provide the following information in connection with a hazard: DANGER High electrical voltages Life-threatening injury or death! Disconnect the system from the power supply and secure it against being switched back on again. Warning level Type and source of the hazard How high is the risk...
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Page 7: Representation Of Requirements
1. GENERAL Warning level What this means for you Warns of dangers for people with a high risk potential. DANGER Failure to observe this warning is highly likely to result in serious injury or even death. Warns of dangers for people with a medium risk potential. WARNING Failure to observe this warning may result in serious injury or even death. -
Page 8: Representation Of Intermediate Results/Results
1. GENERAL 1.2.4 Representation of intermediate results/results 9007199396760075 In the case of some activities, it is necessary to carry out work steps with intermediate results and end results. Intermediate results are the consequence of activities; they are marked with an indented arrow. -
Page 9: Safety Information
2. SAFETY INFORMATION Safety information 5496001291 This section gives you important information on the safe handling and use of your product. Intended use 5496424843 Use the filter housing only for the application described below. The MultiRheo Filter MRF is a filter housing for full-flow and bypass filtration of low- viscosity media. -
Page 10: Personnel Qualifications
2. SAFETY INFORMATION owner must independently define appropriate measures for safety of the machine or system and must compile the documentation of their product accordingly. ● Application of the occupational health and safety and accident prevention regula- tions applicable in the country of use ●... -
Page 11: General Safety Instructions
2. SAFETY INFORMATION Requirements for operating personnel: ● These individuals have received product-related instruction from the owner and have been informed of potential hazards arising from improper conduct. ● Knowledge about how to handle operating media. General safety instructions 5496071691 We develop our products in accordance with the latest technological developments. - Page 12 2. SAFETY INFORMATION The specific protective equipment required in each case is identified in the corre- sponding sections. Required protective equipment – an overview Eye protection Protective gloves Additional protective measures ● Observe the additional notices regarding personal protective equipment in the safety data sheets of the operating medium.
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Page 13: Product And Technical Specifications
3. PRODUCT AND TECHNICAL SPECIFICATIONS Product and technical specifications 9007199322753803 Checking the scope of supply 9007199322808075 Here you will find the scope of supply for the product. ● Check the packaging and the product for damage. Report any damage in transit to the forwarding agent or the HYDAC department in charge. -
Page 14: Tab. 4 Technical Data - Mrf1 E
3. PRODUCT AND TECHNICAL SPECIFICATIONS Size 10“ 20“ 30“ 40“ Permitted operating fluid temperature range -10 … 90°C Permitted storage temperature range 5 … 30°C Permitted humidity during storage 80%, non-condensing Air conditions during storage Clean, salt-free air, not near oxidising substances (rust film) Storage duration Unlimited. -
Page 15: Tab. 5 Technical Data - Mrf1 E
3. PRODUCT AND TECHNICAL SPECIFICATIONS Size 10“ 20“ 30“ 40“ Storage duration Unlimited. Before start-up or after a storage period of greater than two years, the seals must be renewed. Filter head material 1.4581 (cast stainless steel) Filter bowl material 1.4571 (stainless steel) Tab. 5: Technical data –... -
Page 16: Calculating The Pressure Loss Of Filter Housing / Filter Element
3. PRODUCT AND TECHNICAL SPECIFICATIONS 3.2.1 Calculating the pressure loss of filter housing / filter element 9007199322652683 The total pressure loss at a given flow rate is comprised of the filter housing ∆p and the filter element ∆p. The pressure loss in the filter housing is determined using the pressure loss curve. The pressure loss through the filter element(s) is calculated using the R- factor. -
Page 17: 3.2.1.3 Pressure Loss Calculation - Filter Element ∆P
3. PRODUCT AND TECHNICAL SPECIFICATIONS 3.2.1.3 Pressure loss calculation – filter element ∆p 9007199322673291 NOTICE Impermissible differential pressure on the filter element The filter element(s) suffer irreparable damage / No more filtration Note the permitted differential pressure ∆p over the filter element. Use the following formula to calculate the differential pressure ∆p at the filter element. -
Page 18: Tab. 9 R-Factors Flexmicron Standard Fm-S
3. PRODUCT AND TECHNICAL SPECIFICATIONS Filtration rating Aqueous liquids Polyamide Polypropylene 1 µm 3 µm 5 µm 10 µm 20 µm 30 µm 40 µm 50 µm 70 µm 90 µm Tab. 9: R-factors Flexmicron Standard FM-S Filtration rating Aqueous liquids Polypropylene 1 µm 3 µm 5 µm 10 µm 20 µm 30 µm 40 µm 50 µm 70 µm Tab. 10: R-factors Flexmicron Economy FM-E... -
Page 19: Decoding The Type Label
3. PRODUCT AND TECHNICAL SPECIFICATIONS Decoding the type label 9007199323110411 Details for identifying the product are found on the name plates on the product as well as their components. Always mention the part number and the serial number when contacting HYDAC. Fig. 3: Decoding the type label Type label for filter housing Model code for the filter housing... -
Page 20: Model Code
3. PRODUCT AND TECHNICAL SPECIFICATIONS 3.3.1 Model code 9007199323120779 The filter housing is defined by the following model code: MRF - 4 - N / 17 - Q - 40 - 10 - N - E - 0 /-OC Type MRF = MultiRheo Filter MRFD = MultiReho Filter reversible Size... -
Page 21: Components
3. PRODUCT AND TECHNICAL SPECIFICATIONS Components 9007199323179019 The filter housing has the following components: MRF1 E MRF1 N Fig. 5: Components MRF1 E Fig. 6: Components MRF1 N Inlet Inlet OUT Outlet OUT Outlet Filter bowl Filter bowl Emptying / fluid drain Emptying / fluid drain Filter head with fixing thread Filter head with fixing thread Spigot nut... -
Page 22: Unit Dimensions
3. PRODUCT AND TECHNICAL SPECIFICATIONS Unit dimensions 9007199323172491 The filter unit has the following dimensions: MRF1 E MRF1 N Fig. 7: Dimensions Inlet Outlet Required space for removing the filter element 22 / 56 3550863f / 2025-02... -
Page 23: Hydraulic Diagram
3. PRODUCT AND TECHNICAL SPECIFICATIONS Hydraulic diagram 5583714827 The filter housing has the following hydraulic diagram: Item Designation Inlet Outlet VENT Air vent DRAIN Emptying contaminated side DRAIN Emptying clean side Differential pressure display (optional) Fig. 8: Hydraulic diagram 23 / 56 3550863f / 2025-02... -
Page 24: Transportation / Storage
4. TRANSPORTATION / STORAGE Transportation / storage 9007199323349131 You will find the respective notice on the prevention of damage to the product during transport or storage in this chapter. Empty the filter housing fully before transporting it or putting it into storage. Remove the used filter elements and clean the inside of the filter housing. -
Page 25: Mounting/Installing
5. MOUNTING/INSTALLING Mounting/installing 18014398577564299 An optimally assembled and installed product ensures a safe and continuous operation. Fastening/mounting filter housing 9007199322828171 Only install the filter housing vertically in a horizontal pipe or flexible line. Secure the pipe or flexible line in front of and behind the filter housing with suitable clamps. Before mounting, make sure that there is sufficient space below the filter bowl to replace the filter element. -
Page 26: Start-Up
5. MOUNTING/INSTALLING For the hydraulic connection, note the following points: ● Keep the height difference of the product to the Fluid level in the reservoir as small as possible. ● Use a vacuum-resistant suction hose suitable for a pressure of ≤ -0.5 bar. -
Page 27: Operation
6. OPERATION Operation 9007199322866955 To monitor the service life of the filter element during operation, the filter housing can be equipped with a clogging indicator (back pressure / differential pressure, optical or elec- trical). Look and check the visual clogging indicator daily. For details, see ▶Sec. 6.1 "Observing the optical clogging indicator (optional)". -
Page 28: Performing Maintenance
7. PERFORMING MAINTENANCE Performing maintenance 18014398577590283 For a long, trouble-free service life of the product, regular maintenance activities are required. WARNING The hydraulic system is under operating pressure Danger of bodily injury The hydraulic system must be depressurised before performing any work on it. Replacing the filter element –... - Page 29 7. PERFORMING MAINTENANCE 2. Loosen the union nut (1) clockwise, then remove the filter bowl (2). Use a strap spanner to NOTICE remove the union nut (1). 3. Remove the used filter element down- wards out of the holder and dispose of it in an environmentally friendly manner.
- Page 30 7. PERFORMING MAINTENANCE 8. Wet the O-ring with the operating fluid for easier installation of the filter element. 9. Insert the new filter element into the element holder by gently screwing it in upwards under pressure. Do not use striking tools. NOTICE 10.
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Page 31: Replacing The Filter Element - Mrf1 N
7. PERFORMING MAINTENANCE Replacing the filter element – MRF1 N 9007199323063051 In this chapter, you will find the procedure for changing the filter element on the filter housing MRF1 N. 1x Allen key = 6 mm 1x spanner = 27 mm 1x lint-free cloth ü The following activities relate to a filter unit / filter housing with bowl. 1. - Page 32 7. PERFORMING MAINTENANCE 4. Clean dirt from the filter bowl and the sealing surface. 5. Clean the sealing surface on the filter head. 6. Check the O-ring for damage and replace it if necessary. 7. Slightly wet the O-ring on the filter head with the operating fluid.
- Page 33 7. PERFORMING MAINTENANCE 10. Lightly moisten the thread on the filter bowl with fluid (1). 11. Place the filter bowl (2) over the filter element from below and screw the filter bowl counterclockwise into the filter head by hand. 12. Tighten the filter bowl counter- clockwise using a spanner ( = 27 mm).
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Page 34: Changing The Filter Element
7. PERFORMING MAINTENANCE Changing the filter element 5633059083 The duration of use of a filter element depends on the solid particle contamination and/ or the water content in the operating fluid as well as the filtration rating. With increasing load of solids/water in filter element, the differential pressure rises over the filter element steadily and for example, is apparent electrically or visually by means of a clogging indi- cator. - Page 35 7. PERFORMING MAINTENANCE 3. Loosen the union nut (1) clockwise, then remove the filter bowl (2). Use a strap spanner to NOTICE remove the union nut (1). 4. Remove the used filter element down- wards out of the holder and dispose of it in an environmentally friendly manner.
- Page 36 7. PERFORMING MAINTENANCE 6. Clean the sealing surface on the filter head. 7. Check the O-ring for damage and replace it if necessary. 8. Slightly wet the O-ring on the filter head with the operating fluid. 9. Wet the O-ring with the operating fluid for easier installation of the filter element.
- Page 37 7. PERFORMING MAINTENANCE 12. Turn bleed screw (C) counter clockwise by hand and then tighten using a wrench. 13. Screw the filter bowl onto the filter head by turning the union nut counter- clockwise. 14. Tighten the union nut hand-tight. 15.
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Page 38: Rectifying A Malfunction
8. RECTIFYING A MALFUNCTION Rectifying a malfunction 68110219 The following errors may occur during handling or operation of the filter unit / filter housing: Fault Cause(s) Remedy Filter element clogged. The capacity of the Renew the filter The clogging indicator filter element is element. -
Page 39: Decommissioning/Disposal
9. DECOMMISSIONING/DISPOSAL Decommissioning/Disposal 99079191859273099 In the following chapters, you will be provided with information regarding temporary shutdown/final decommissioning and disposal of the product. Temporary shutdown 253902219 If the product is being temporarily shut down, the following measures are adequate: 1. Switch the product off and disconnect it from all sources of energy. 2. -
Page 40: Annex
10. ANNEX Annex 54043195585730443 This Annex contains additional information on the product. 10.1 Finding spare parts 68528011 Use only original spare parts for a long and defect-free life cycle of the product. When ordering spare parts and accessories make sure to always indicate the exact model code and the serial number. -
Page 41: Tab. 12 Filter Elements 10" - Fm-E
10. ANNEX Length Filtration Filter Sealing Model code Part no. rating material material 10" 20 µm N10FM-E020-PP1F 3538511 10" 40 µm N10FM-E040-PP1F 3806002 10" 50 µm N10FM-E050-PP1F 3729162 10" 90 µm N10FM-E090-PP1F 3747224 Tab. 12: Filter elements 10“ – FM-E Filter elements 20“ – Flexmicron E Length Filtration Filter... -
Page 42: 10.1.2 Filter Elements - Flexmicron Standard Fm-S
10. ANNEX Filter elements 40” – Flexmicron E Length Filtration Filter Sealing Model code Part no. rating material material 40" 3 µm N40FM-E003-PP1F 3820869 40" 5 µm N40FM-E005-PP1F 3605055 40" 10 µm N40FM-E010-PP1F 3569703 40" 20 µm N40FM-E020-PP1F 3487667 40" 30 µm N40FM-E030-PP1F 3652678 40"... -
Page 43: Tab. 16 Filter Elements 10" - Fm-S
10. ANNEX Filter elements 10“ – Flexmicron Standard FM-S Length Filtration Filter material Sealing Model code Part no. rating material 10" 1 µm N10FM-S001-PA1F 3510227 10" 3 µm N10FM-S003-PA1F 3510229 10" 3 µm N10FM-S003-PP1F 3510275 10" 5 µm N10FM-S005-PA1F 3510230 10" 5 µm N10FM-S005-PP1F 3510276... -
Page 44: Tab. 17 Filter Elements 20" - Fm-S
10. ANNEX Length Filtration Filter material Sealing Model code Part no. rating material 20" 70 µm N20FM-S070-PP1F 3510127 20" 90 µm N20FM-S090-PP1F 3549072 Tab. 17: Filter elements 20“ – FM-S Filter elements 30“ – Flexmicron Standard FM-S Length Filtration Filter material Sealing Model code Part no. -
Page 45: Tab. 19 Filter Elements 40" - Fm-S
10. ANNEX Length Filtration Filter material Sealing Model code Part no. rating material 40" 20 µm N40FM-S020-PA1F 3531655 40" 20 µm N40FM-S020-PP1F 3504839 40" 30 µm N40FM-S030-PP1F 3505367 40" 40 µm N40FM-S040-PA1F 3483793 40" 40 µm N40FM-S040-PP1F 3497846 40" 50 µm N40FM-S050-PA1F 3510094 40"... -
Page 46: 10.1.3 Filter Elements - Flexmicron Premium Fm-P
10. ANNEX 10.1.3 Filter elements – Flexmicron Premium FM-P 9007199336693771 The filter elements of the Flexmicron Premium FM-P product line are hard-wearing elements which can be created out of Melt Blown or high quality glass using Pleat tech- nology. They are used in particular for applications with the highest purity requirements. Areas of application: Special features: ●... -
Page 47: Tab. 21 Filter Elements 20" - Fm-P
10. ANNEX Filter elements 20” – Flexmicron Premium FM-P Length Filtration Sealing Model code Part no. rating material 20" 1 µm N20FM-P001-PES1F 3510132 20" 3 µm N20FM-P003-PES1F 3510149 20" 5 µm N20FM-P005-PES1F 3510151 20" 10 µm N20FM-P010-PES1F 3510152 20" 20 µm N20FM-P020-PES1F 3510187 20"... -
Page 48: Spare Parts
10. ANNEX 10.1.4 Spare parts 9007199323288459 The following spare parts are available for the filter housing: Fig. 10: Spare parts MRF1-E Item Designation Part no. Qty. Filter bowl 10“ 3204371 Filter bowl 20“ 3204372 Filter bowl 30“ 3204373 Filter bowl 40“ 3204374 Filter head 3211719... -
Page 49: 10.1.5 Spare Parts Mrf1-N
10. ANNEX Item Designation Part no. Qty. Bleed screw 545033 Profile seal ring 413429 Profile seal ring 411600 O-ring 610433 O-ring 604075 Filter element, see ▶Sec. 10.1.1 "Filter elements – Flexmicron Economy FM-E" or ▶Sec. 10.1.2 "Filter elements – Flexmicron Standard FM-S" or ▶Sec. 10.1.3 "Filter elements –... - Page 50 10. ANNEX Item Designation Part no. Qty. Filter bowl 10“ 3542319 Filter bowl 20“ 3542357 Filter bowl 30“ 3542358 Filter bowl 40“ 3542359 Filter head (N) 1299648 Filter head (K) 1299661 O-ring 6001185 O-ring 6038303 Locking screw 615002 Locking screw 615003 Screw connection 608469...
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Page 51: 10.2 Contacting Customer Service
10. ANNEX 10.2 Contacting Customer Service 72057594095185931 Contact details such as the telephone numbers, e-mail and mailing addresses for the Hotline, product support, Customer Service, branch offices, service partners for mainte- nance, repair and spare parts can be found on our homepage www.hydac.com. HYDAC SYSTEMS &... - Page 52 TABLE OF ILLUSTRATIONS Table of illustrations Fig. 1 Pressure loss curve ....................Fig. 2 Pressure loss formula, filter element ................ Fig. 3 Decoding the type label .................... Fig. 4 Model code ....................... Fig. 5 Components MRF1 E ....................Fig. 6 Components MRF1 N....................
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Page 53: Index Of Tables
INDEX OF TABLES Index of tables Tab. 1 Target groups ......................Tab. 2 Depiction of the warning levels................. Tab. 3 Checking the scope of supply................... Tab. 4 Technical data – MRF1 E ..................Tab. 5 Technical data – MRF1 E ..................Tab. 6 Technical data –... -
Page 54: Glossary
GLOSSARY Glossary Glass fibre HYDAC standard with dimensions for the installation space for HYDAC clogging indicators. Polyamide Polyester Polypropylene β-value (beta value) The β-value is a measure of the effec- tiveness of a filter element. For a specific particle size x, this β-value defines the number of these particles before the filter in relation to the number of particles after the filter. -
Page 55: Index
INDEX Index Clogging indicator Pressure drop Observing the 27 Calculate hydraulic lines 25 Customer service 51 Formula 25 Pressure difference 25 Pressure loss curve 16 Decommissioning Permanent 39 Temporary 39 R-factor Disposal Determining 17 Disposal 39 FM-E 17, 18 Recycling 39 FM-S 18... - Page 56 HYDAC Filter Systems GmbH Industriestraße 66280 Sulzbach/Saar Germany Tel. +49 6897 509-01 filtersystems@hydac.com www.hydac.com Further addresses: www.hydac.com/en/contacts...
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