background image

MRFD4 

Replacing the filter elements

 

8. 

Prepare the new filter elements by moistening 
the O-ring on each element with the operating 
medium. 

9. 

Insert the new elements into the element 
receptacle by applying pressure while slightly 
rotating the element. 

 Do not use excessive force or a hammer, 

etc. 

 

10. 

g. 

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. 

ce the cover on the filter housing and center 

 

Pla
it. 

13.  Engage all toggle screws. 

 

14. 

 crosswise with a maximum of 85 Nm 

force. 

Tighten the toggle screws with a 24 mm box 
wrench

HYDAC FILTER SYSTEMS GMBH 

en 

Page 29 / 36

BeWa MRFD4 3342322a us 2010-05-20.doc 

2010-05-20

 

Summary of Contents for MultiRheo MRFD4

Page 1: ...MRFD4 MultiRheo Filter Installation and Maintenance Instructions English translation of original instructions Documentation no 3342322a ...

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 12...

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: ...ion of the MRF 20 Notes on Piping Hosing 21 Starting up the MRF 22 Filter housing switchover 23 Performing Maintenance 24 Define passive filter housing 25 Filling bleeding passive filter housing 26 Replacing the filter elements 28 Spare Parts 31 Disposing of the MRF 32 Customer Service 32 Technical data 32 Model Code 33 ...

Page 5: ...on 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 Sulz...

Page 6: ...uct 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 modification...

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: ...fe 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 ...

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: ...ing 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 of mechanical faults X X Remedying of electrical faults X X Maintenance X X X X Repair work X Decommissioning Storage X X X X Dangers by pressure in the hydraulic system WARNING Hydraulic ...

Page 11: ...age 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 apply a new...

Page 12: ... 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 D4 2 34 Filter elements type and quantity as per order 1 Installation and Maintenance Instructions HYDAC FILTER SYSTEMS GMBH en Page 12 36 BeWa MRFD4 3342322a us 2010 05 20 doc 2010 05 20 1 2 ...

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 CAUTION 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 lubrican...

Page 14: ...sing 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...

Page 15: ...er 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 20 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: ...ew 4 Filter switchover 5 Pressure compensation line 6 Air vent plug 7 Inlet flange IN DIN DN80 8 Outlet flange OUT DIN DN80 9 Drain valve clean side 10 Drain valve dirt side 11 Clogging indicator HYDAC FILTER SYSTEMS GMBH en Page 17 36 BeWa MRFD4 3342322a us 2010 05 20 doc 2010 05 20 ...

Page 18: ...Filter switchover 5 Pressure compensation line 7 Inlet flange IN DIN DN80 8 Outlet flange OUT DIN DN80 9 Drain valve clean side 10 Drain valve dirt side 11 Clogging indicator HYDAC FILTER SYSTEMS GMBH en Page 18 36 BeWa MRFD4 3342322a us 2010 05 20 doc 2010 05 20 ...

Page 19: ...MRFD4 Dimensions Dimensions 700 Ø 22 310 230 1455 1536 1077 Ø 500 120 Ø 355 6 110 12 HYDAC FILTER SYSTEMS GMBH en Page 19 36 BeWa MRFD4 3342322a us 2010 05 20 doc 2010 05 20 ...

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 28 in the chapter Replacing the filter elements Before commissioning fill and bleed a filter housing in accordance with the description on page 26 in the chapter Filling bleeding passive filter housing ...

Page 23: ...ng 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 closed Switch off Active Passive Passive Switch off Active HYDAC FILTER SYSTEMS GMBH en Page 23 36 BeWa MRFD4 3342322a us 2010 05 20 doc 2010 05 20 ...

Page 24: ...needs to be changed The MRF can be optionally equipped with an electric back pressure indicator Every time an element is changed the housing O ring is to be checked for any damage and if necessary replaced 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 passi...

Page 25: ...aulic system Work only on the passive filter housing To define the passive filter housing observe the position of the change over valve The following diagram shows the passive filter housing with a determined position of the change over valve Switch off Active Passive Passive Switch off Active HYDAC FILTER SYSTEMS GMBH en Page 25 36 BeWa MRFD4 3342322a us 2010 05 20 doc 2010 05 20 ...

Page 26: ...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 26 36 BeWa MRFD4 3342322a us 2010 05 20 doc 2010 05 20 ...

Page 27: ...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 27 36 BeWa MRFD4 3342322a us 2010 05 20 doc 2010 05 20 ...

Page 28: ...valve Close the drain ball valve once no more fluid escapes 3 Have a suitable container approx 20 liters handy or guide the draining fluid back to the dirt tank 4 Loosen all toggle screws on the cover with a 24 mm box wrench and disengage them 5 Remove the cover from the filter housing and place it on a clean surface Observe the cover s weight of approx 23 kg 6 Remove all filter elements and dispo...

Page 29: ...mmer etc 10 g 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 ce the cover on the filter housing and center Pla it 13 Engage all toggle screws 14 crosswise with a maximum of 85 Nm force Tighten the toggle screws with a 24 mm box wrench HYDAC...

Page 30: ...flow to fill the passive filter housing 16 After completely filling the filter housing 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 30 36 BeWa MRFD4 3342322a us 2010 05 20 doc 2010 05 20 ...

Page 31: ...206523 2 2 O ring for tank cover 316122 602369 3 2 Screw plug 608658 615003 4 4 Ball valve for draining 551095 551095 5 4 Screw plug 607168 625356 8 1 Clogging indicator V02 3 VZ 0 1277300 1277300 9 1 Change over valve 1273046 1293544 10 1 Ball valve for depressurization 551094 551094 2 Label set Filter elements Available on request HYDAC FILTER SYSTEMS GMBH en Page 31 36 BeWa MRFD4 3342322a us 20...

Page 32: ...egulations 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 17 pcs Permissible p on the element in bar See element data sheet Material of body Normal steel not coated Content of the housing 2x 120 liters Operating pressure...

Page 33: ...ber of elements 17 17 filter elements Connection type Q DIN DN80 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 Modification ID 0 In...

Page 34: ......

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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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