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MRFD7 Technical 

Description

 

HYDAC FILTER SYSTEMS GMBH 

en 

Page 13 / 36

BeWa MRFD7 3551097 us 2010-05-18.doc 

2010-05-18

 

Technical Description 

The MultiRheo Filter MRF is a stationary filtration unit used for full-flow and bypass 
filtration of low-viscosity fluids for the separation of particles of 100 ... 1 µm 
(absolute). 

The MultiRheo Filter is part of a filter series for the use of Flexmicron filter elements. 

 

Restrictions pertaining to use 

NOTICE 

Impermissible operating media 

The filter will be damaged. 

  The unit is only to be used with mineral oils or mineral oil-based raffinates or 

for cooling lubricants. 

 

Summary of Contents for MRFD7

Page 1: ...MRFD7 MultiRheo Filter Installation and Maintenance Instructions English translation of original instructions Documentation no 3551097 ...

Page 2: ... as may exist nor for any damage or loss whatsoever which may arise as a result of such errors The content of the manual is checked regularly Any corrections required will be incorporated in future editions We welcome any suggestions for improvements All details are subject to technical modifications Technical specifications are subject to change without notice HYDAC FILTER SYSTEMS GMBH Postfach 1...

Page 3: ...ring the MRF 11 Checking the Scope of Delivery 12 Technical Description 13 Restrictions pertaining to use 13 Calculating the pressure differential of the filter housing filter element 14 Housing Pressure loss curve housing 14 p Filter element pressure loss calculation filter element 14 p R Resistance Factors 15 Filter material of element 15 Maximum differential pressure at the filter element 15 Fi...

Page 4: ...on of the MRF 20 Notes on Piping Hosing 21 Starting up the MRF 22 Filter housing switchover 23 Performing Maintenance 25 Define passive filter housing 26 Filling bleeding passive filter housing 27 Replacing the filter elements 29 Spare Parts 32 Disposing of the MRFD 34 Customer Service 34 Technical data 34 Model Code 35 ...

Page 5: ...ion cannot always keep up with changes made to the product as we attach considerable importance to keeping our products cutting edge There may be deviations in technical details figures and dimensions as a result If you discover errors while reading the documentation or have additional comments or suggestions contact us at HYDAC FILTER SYSTEMS GMBH Technische Dokumentation Postfach 12 51 66273 Sul...

Page 6: ...ct e g purchasing additional options etc may mean that the information in the operating instructions is no longer applicable or adequate After modification or repair work that affects the safety of the product has been carried out on components the product may not be returned to operation until it has been checked and released by a HYDAC technician Please notify us immediately of any modifications...

Page 7: ...mentation has a table of contents at the beginning There I select the chapter I m looking for and the corresponding page number de HYDAC Filtertechnik GmbH BeWa 123456a de Seite x Produkt Kapitel 200x xx xx Chapter Page number Edition date Document language Documentation no with index file name The documentation number with its index enables you to order another copy of the operating and maintenan...

Page 8: ...e and limb of the individual using the product or to third parties Risk of damage may be posed to the product or other equipment and property Use the MRF solely for its designated use only when in a safe perfect condition Immediately remedy any malfunctions that might impair safety Our General Terms and Conditions apply They are made available to the owner upon concluding purchase of the unit at t...

Page 9: ...ch can lead to property damage if safety precautions are not observed Proper Designated Use The MultiRheo Filter MRF is a stationary filtration unit used for full flow or bypass filtration of low viscosity fluids Proper or designated use of the product extends to the following Maintaining adherence to all the instructions contained herein Performing requisite inspection and maintenance work Improp...

Page 10: ...ner Staff undergoing training may not use the MRF unless supervised by an experienced staff member Individuals Individuals undergoing training Individuals with technical training engineering background Electrician Supervisor with the appropriate authority Activity Packing transportation X X X Commissioning X X X Operation X X X X Troubleshooting locating the source of malfunction X X X Remedying o...

Page 11: ...rt any damage to the forwarding agent immediately The connectors ports are closed off so that no contamination can enter the unit while it is in transit Dispose of the packaging material as appropriate for your area Storing the MRF Store the filter in a clean dry place Drain the filter housing completely before putting it into storage Check the external corrosion protection paint coat for damage a...

Page 12: ...ion Report any damages in transit to the transport company or the responsible agent immediately Do not put the unit into operation The following items are included Item Qty Description 1 1 MultiRheo Filter D7 104 Filter elements type and quantity as per order 1 Installation and Maintenance Instructions HYDAC FILTER SYSTEMS GMBH en Page 12 36 BeWa MRFD7 3551097 us 2010 05 18 doc 2010 05 18 ...

Page 13: ...for full flow and bypass filtration of low viscosity fluids for the separation of particles of 100 1 µm absolute The MultiRheo Filter is part of a filter series for the use of Flexmicron filter elements Restrictions pertaining to use NOTICE Impermissible operating media The filter will be damaged The unit is only to be used with mineral oils or mineral oil based raffinates or for cooling lubricant...

Page 14: ...ng curve holds for mineral oil with a density of 0 86 kg dm and a kinematics viscosity of 30 mm s The lower housing curve holds for water at 20 C For turbulent flow the differential pressure will change proportionally to the density for laminar flow it will change proportionally to the density and viscosity The flow velocity should not exceed 3 m s at the filter inlet for oil and 4 m s for water F...

Page 15: ...r Maximum differential pressure at the filter element The maximum differential pressure Δpmax and the permitted temperature at the filter element are Filter material of element Fluid temperature PP PA PES 10 30 C 4 bar 7 bar 8 bar 10 60 C 2 bar 5 5 bar 6 5 bar 10 100 C 3 5 bar 5 bar Filter element FlexMicron P Premium Aqueous fluids Oils Filtration rating PES PES GF 1 µm 32 0 10 4 5 4 3 µm 24 0 7 ...

Page 16: ...010 05 18 Filter element FlexMicron S Standard Aqueous fluids Filtration rating PA PP 1 µm 274 321 3 µm 116 186 5 µm 42 132 10 µm 15 99 20 µm 11 54 30 µm 6 16 40 µm 3 8 12 50 µm 1 9 10 70 µm 1 1 8 90 µm 0 6 6 Filter element FlexMicron E Economy Aqueous fluids Filtration rating PP 1 µm 37 3 µm 29 5 µm 20 10 µm 11 20 µm 8 30 µm 6 8 40 µm 5 4 50 µm 4 2 70 µm 3 1 ...

Page 17: ...r switchover 5 Pressure compensation line 6 Air vent plug 7 Inlet flange IN DIN DN200 8 Outlet flange OUT DIN DN200 9 Drain valve clean side 10 Drain valve dirt side 11 Clogging indicator 12 Cover lifting device HYDAC FILTER SYSTEMS GMBH en Page 17 36 BeWa MRFD7 3551097 us 2010 05 18 doc 2010 05 18 ...

Page 18: ...ilter switchover 5 Pressure compensation line 7 Inlet flange IN DIN DN200 8 Outlet flange OUT DIN DN200 9 Drain valve clean side 10 Drain valve dirt side 11 Clogging indicator HYDAC FILTER SYSTEMS GMBH en Page 18 36 BeWa MRFD7 3551097 us 2010 05 18 doc 2010 05 18 ...

Page 19: ...MRFD7 Dimensions Dimensions 2780 525 1774 1864 2004 115 559 720 890 2423 Ø 583 120 2088 1505 240 161 HYDAC FILTER SYSTEMS GMBH en Page 19 36 BeWa MRFD7 3551097 us 2010 05 18 doc 2010 05 18 ...

Page 20: ...rying capacity and resilience Make sure to leave sufficient room at least 1 m over the filter housing to change the filter element Fasten the filter with 6 suitable floor anchors Hydraulic connection of the MRF Connect the MRF hydraulically using a flexible hose connection or pipeline Make sure that no vibrations and or stress from other machinery and equipment are carried over to filter housing U...

Page 21: ... D Density kg dm Mineral oil based hydraulic fluid has a density of 0 9 kg cm This applies to straight pipe runs and hydraulic oils Additional threaded connections and pipe bends increase the pressure differential Keep the height difference between the pump and the oil level in the tank as minimal as possible Hoses must be suitable for suction pressures of at least 0 5 bar Constrictions in the con...

Page 22: ...supplied ex works without any filter elements installed Prior to commissioning insert all filter elements into the filter housing Proceed as described on page 29 in the chapter Replacing the filter elements Before commissioning fill and bleed a filter housing in accordance with the description on page 27 in the chapter Filling bleeding passive filter housing ...

Page 23: ... damaged Before switching fill and bleed the passive filter housing in each case Switch the flow rate on the change over valve A from the active filter housing to the passive one Make sure that the pressure equalization valve B is always closed HYDAC FILTER SYSTEMS GMBH en Page 23 36 BeWa MRFD7 3551097 us 2010 05 18 doc 2010 05 18 ...

Page 24: ...wheel to control the shut off valves Use the handwheel on the gear for switching The gear and a connection rod allow all four shut off valves to be operated at the same time Switch off Active Passive Passive Switch off Active HYDAC FILTER SYSTEMS GMBH en Page 24 36 BeWa MRFD7 3551097 us 2010 05 18 doc 2010 05 18 ...

Page 25: ...th an electric pressure gauge It shows when an element needs to be changed The MRF can be optionally equipped with an electric back pressure indicator Once the dirt holding capacity of the filter elements has been reached the clogging indicator responds Switch to the other filter housing and replace the filter elements in what is now the passive filter housing HYDAC FILTER SYSTEMS GMBH en Page 25 ...

Page 26: ...Bodily injury The hydraulic system must be depressurized before performing any work on the hydraulic system Work only on the passive filter housing Switch off Active Passive Passive Switch off Active HYDAC FILTER SYSTEMS GMBH en Page 26 36 BeWa MRFD7 3551097 us 2010 05 18 doc 2010 05 18 ...

Page 27: ...tion valve B A small output flow is removed from the active output flow to fill the passive filter housing 2 Unscrew the air bleed screw C on the cover of the passive filter housing Wait until the filter housing is completely filled and no more air escapes 3 Close the pressure equalization valve B HYDAC FILTER SYSTEMS GMBH en Page 27 36 BeWa MRFD7 3551097 us 2010 05 18 doc 2010 05 18 ...

Page 28: ...Filling bleeding passive filter housing 4 Screw the air bleed screw C back onto the cover of the passive filter housing HYDAC FILTER SYSTEMS GMBH en Page 28 36 BeWa MRFD7 3551097 us 2010 05 18 doc 2010 05 18 ...

Page 29: ... valve once no more fluid escapes 3 Have a suitable container approx 50 liters handy or guide the draining fluid back to the dirt tank 4 Loosen all toggle screws on the cover with a 30 mm box wrench and disengage them 5 Turn the handwheel on the cover lifting device D in a counterclockwise direction The cover will be raised upward Swivel the cover lifting device D along with the cover to the side ...

Page 30: ...g ring for damage Lightly wet the O ring on the cover with medium Clean the sealing surface on the filter housin Check the housing sealin Replace it if necessary 11 Clean the sealing surface on the cover 12 ver lifting device r lifting rection Center the cover on the filter housing Swivel the cover including the co D back over the filter housing Turn the handwheel C on the cove device D in a clock...

Page 31: ...ization valve B A small output flow is removed from the active output flow to fill the passive filter housing 16 Close the pressure equalization valve B 17 Screw in the air bleed screw C on the cover 18 The passive filter housing is now ready for switching to active filtration HYDAC FILTER SYSTEMS GMBH en Page 31 36 BeWa MRFD7 3551097 us 2010 05 18 doc 2010 05 18 ...

Page 32: ...are Parts Make sure to always indicate the unit designation see rating plate and the serial number when ordering spare and wear parts HYDAC FILTER SYSTEMS GMBH en Page 32 36 BeWa MRFD7 3551097 us 2010 05 18 doc 2010 05 18 ...

Page 33: ...2 113 2 Screw plug G FPM 615003 124 4 Ball valve for draining G1 551095 125 4 Screw plug G1 FPM 625356 126 8 Seal ring G1 FPM 607757 127 8 O ring 24x2 FPM 601104 410 1 Ball valve for filling G3 4 551094 515 4 Seal ring G1 4 FPM 607753 517 6 O ring 6x1 5 FPM 601867 520 2 O ring 20x2 FPM 604176 600 2 Clogging indicator 304359 2 Label set Filter elements Available on request ...

Page 34: ...embling the unit and separating the various materials reuse them or dispose of them properly in accordance with local regulations Customer Service HYDAC SERVICE GMBH Rehgrabenstrasse 3 66125 Saarbrücken Dudweiler Germany Telephone 49 0 681 509 883 Telefax 49 0 681 509 324 E mail service hydac com Technical data Technical data Number of filter elements 2x 52 pcs Material of body Normal steel not co...

Page 35: ...ated Number of elements 52 52 filter elements Connection type W DIN DN200 Element construction length 40 40 Pressure stage 10 10 bar 16 16 bar 25 25 bar Material of sealings F FPM Viton N NBR Perbunan E EPDM Clogging indicator 0 without clogging indicator E Standard pressure gauge B VM 2B 1 C VM 2C 0 D3 VM 2 D 0 L220 D4 VM 2 D 0 L24 D5 VM 2 LZ 1 DB F VR 2 F 0 pressure switch electrical Modificatio...

Page 36: ...iet Postfach 1251 66280 Sulzbach Saar 66273 Sulzbach Saar Germany Germany Phone 49 0 6897 509 01 Central Fax 49 0 6897 509 846 Technical Department Fax 49 0 6897 509 577 Sales Department Internet www hydac com E Mail filtersystems hydac com ...

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