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 ......................
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.
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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...
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.
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.
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.
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 ●...
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.
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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.
3. PRODUCT AND TECHNICAL SPECIFICATIONS Product and technical specifications 9007199322753803 The filter housing is a stationary filter unit designed for full-flow and bypass filtration of low-viscosity media. The filter housing is designed to accommodate filter elements from the Flexmicron series. This enables the separation of particles from 100 ... 1 µm (absolute).
3. PRODUCT AND TECHNICAL SPECIFICATIONS The scope of supply includes: Qty. Designation MultiRheo Filter MRF (without filter element) Installation instructions (this document) Tab. 3: Checking the scope of supply Technical data 9007199322766219 If you are familiar with the technical data of the product, you will be able to use it opti- mally.
3. PRODUCT AND TECHNICAL SPECIFICATIONS Size 2x10“ 2x20“ 2x30“ 2x40“ Switch-over device material 1.4581 / 1.4571 / 2.0401 Filter bowl material 1.4571 (stainless steel) Tab. 4: Technical data 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.
3. PRODUCT AND TECHNICAL SPECIFICATIONS 3.2.1.2 Permitted differential pressure ∆p across the filter element 9007199322780171 The permitted differential pressure ∆p across the filter element depends on the filter material and the operating temperature range. Filter material Operating temperature Polypropylene Polyamide Polyester Glass fibre range...
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 Model: Model code, for details, see ▶Sec. 3.3.1 "Model code".
3. PRODUCT AND TECHNICAL SPECIFICATIONS 3.3.1 Model code 9007199323120779 The filter housing is defined by the following model code: MRF - 11 30 - C V - C J - F A /-DH Type MRF = MultiRheo filter Size 1 filter element 7 filter elements 11 filter elements 17 filter elements...
3. PRODUCT AND TECHNICAL SPECIFICATIONS Unit dimensions 9007199323172491 The filter unit has the following dimensions: Fig. 6: Dimensions (all specifications are in mm) 22 / 52 4842630 / 2025-02...
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3. PRODUCT AND TECHNICAL SPECIFICATIONS Length according to size Inlet Outlet N3.1 Air vent VENT N3.2 Air vent VENT N4.1 Drain DRAIN N4.2 Drain DRAIN Contamination indicator (optional) Space for removing filter element Size Dimension A Dimension X 10“ 348 mm ≥ 35 mm 20“...
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.
5. 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. 5.2 "Observing the optical clogging indicator (optional)".
5. OPERATION Active filter Passive filter Passive filter Active filter housing housing housing housing Fig. 8: Switch the filter housing To avoid pressure peaks on the filter housing/filter element, slowly move the device from one position to the other. 27 / 52 4842630 / 2025-02...
5. OPERATION Observing the optical clogging indicator (optional) 72057594105490827 If the filter unit / filter housing is equipped with a visual clogging indicator, then check it daily. Replace the filter element as soon as: ● the permitted differential pressure through the filter element is exceeded.
6. 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. Changing the filter element 5633059083 The duration of use of a filter element depends on the solid particle contamination and/...
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6. PERFORMING MAINTENANCE 2. Provide a suitable container (1) to collect any leaking operating fluid. Release the pressure in the filter housing. Do this by carefully opening the drain screw (2) on the filter bowl and drain the filter housing completely using the drain plug ( = 6 mm) at the bottom of the filter housing.
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6. PERFORMING MAINTENANCE 4. Remove the used filter element down- wards out of the holder and dispose of it in an environmentally friendly manner. 5. Clean dirt from the filter bowl and the sealing surface. 6. Clean the sealing surface on the filter head.
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6. PERFORMING MAINTENANCE 10. Insert the new filter element into the element holder by gently screwing it in upwards under pressure. NOTICE Do not use striking tools. 11. Wet the thread before fitting the union nut using lubricant e.g. (MoS2)(1). 12.
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6. PERFORMING MAINTENANCE 13. Screw the filter bowl onto the filter head by turning the union nut counter- clockwise. 14. Tighten the union nut hand-tight. 15. Fill the filter housing slowly to avoid pressure peaks. 16. Check the filter housing for leaks. O The replacement of the filter element is now complete.
7. 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.
8. 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.
9. ANNEX Annex 54043195585730443 This Annex contains additional information on the product. 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.
9. ANNEX 9.1.1 Spare parts 9007199323288459 The following spare parts are available for the filter housing: Fig. 11: Spare parts 37 / 52 4842630 / 2025-02...
9. ANNEX particular for applications with medium fluid purity requirements and represent a cost- effective solution. Areas of application: Special features: ● Industrial part washers (aqueous up to ● Separation efficiency 95% 60 °C) ● Filtration rating 1 ... 90 µm ● Cooling circuits on machines ●...
9. ANNEX Length Filtration Filter Sealing Model code Part no. rating material material 40" 120 µm N40FM-E120-PP1F 3531636 40" 150 µm N40FM-E150-PP1F 3531644 Tab. 14: Filter elements 40“ – FM-E 9.1.3 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.
9. ANNEX 9.1.4 Filter elements – Flexmicron Standard FM-S 9007199336695691 The filter elements of the Flexmicron Standard FM-S product line are Spun-Spray depth filter elements which are produced using Melt-Blown technologies. They are used in particular for applications with high fluid purity requirements. Areas of application: Special features: ●...
9. ANNEX Length Filtration Filter material Sealing Model code Part no. rating material 30" 40 µm N30FM-S040-PA1F 3531614 30" 40 µm N30FM-S040-PP1F 3560116 Tab. 20: Filter elements 30“ – FM-S Filter elements 40“ – Flexmicron Standard FM-S Length Filtration Filter material Sealing Model code Part no.
9. ANNEX 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 &...
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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 ......................Fig. 6 Dimensions (all specifications are in mm) ..............Fig.
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 ......................Tab. 5 Permitted differential pressure ∆p at the filter element..........Tab.
GLOSSARY Glossary Glass fibre The term "Fluororubber" (abbreviation FKM according to DIN SIO 1629 [earlier: FPM] and FKM according to ASTM D 1418) represents an entire group of rubbers, which have, as a common char- acteristic, vinylidene difluoride as one of its monomers.
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