Hydac OLSW, Operation And Maintenance Instructions

Page 1: ...OLSW OffLine Separator Water Operation and Maintenance Instructions English translation of original instructions Document No 4268435 Keep for future reference ...

Page 2: ...rge c o HYDAC International GmbH Industriegebiet 66280 Sulzbach Saar Telephone 49 6897 509 1511 Fax 49 6897 509 1394 E mail guenter harge hydac com HYDAC FILTER SYSTEMS GMBH All rights reserved No part of this work may be reproduced in any form print photocopy or by other means or processed duplicated or distributed using electronic systems without the written consent of the publisher These docume...

Page 3: ...e clothing 13 Observe regulatory information 13 Stoppage in an emergency EMERGENCY STOP 13 Unpacking the unit 13 Transporting the unit 14 Transporting with the crane 14 Storing the unit 15 Decoding the type label 16 Checking the scope of delivery 18 Characteristics of the unit 19 Identifying components 20 Hydraulic circuit 22 Unit dimensions 23 Unit setup connection 24 Notes on pipes hosing 25 Con...

Page 4: ...ssage 43 Remedy error cause at the fluid filter WBF 44 Performing maintenance 45 Maintenance intervals 45 Perform visual check 45 Replacing hydraulic hoses 45 Breather maintenance 46 Check breather functionality 47 Cleaning breather Replacing parts 48 Help with errors on the breather 49 Changing filter element 50 Removing the guide plate 57 Changing the coalescing elements 58 Taking the unit out o...

Page 5: ...ability shall remain unaffected Technical Support If you have any questions suggestions or encounter any problems of a technical nature please don t hesitate to contact us When contacting us please always include the model code serial no and part no of the product Fax 49 6897 509 9046 E mail filtersystems hydac com Modifications to the Product We would like to point out that changes to the product...

Page 6: ... for The document has a table of contents at the beginning 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 The documentation number with its index enables you to order another copy of the operating and maintenance instructions The index is incremented by one digit every time the manual is revised ...

Page 7: ...he unit and other equipment Maintain the unit inspection intervals prescribed by law Document the results in an inspection certificate and keep it until the next inspection Hazard symbols These symbols are listed for all safety information and instructions in these operating instructions which indicate particular hazards to persons property or the environment Observe these instructions and act wit...

Page 8: ...Safety information Risk of burns due to hot surfaces Flammable Danger from explosive atmosphere Harmful to the environment OLSW en us Page 8 76 BeWa OLSW 4268435 en us 2017 11 09 docx 2017 11 09 ...

Page 9: ...ardous situation with a low level of risk which if not avoided can result in minor or moderate injury NOTICE NOTICE The signal word indicates a hazardous situation with a high level of risk which if not avoided will result in damage to property Structure of the safety information and instructions All warning instructions in this manual are highlighted with pictograms and signal words The pictogram...

Page 10: ...stem nor for the use or functionality of your system Use the unit only for the application described in the following The OffLine Separator Water OLSW is a filter unit which is used to separate oil from watery fluids NOTICE Impermissible operating media The unit will be damaged Use the unit only in conjunction with with water based cleaning fluids and for oil volumes of 15 Proper designated use of...

Page 11: ...YSTEMS GMBH will assume no liability for any damage resulting from such use The user alone shall assume any and all associated risk Improper use or use deviating from intended may result in hazards and or will damage the unit Examples of improper use Operation with an impermissible fluid Operation under non approved operational conditions Operation when the safety devices are defective Modificatio...

Page 12: ... unit operation and are aware of potential hazards due to improper use Specialist personnel such persons with corresponding specialist training and several years work experience They are able to assess and perform the work assigned to them they are also able to recognize potential hazards Activity Person Knowledge Transport storage Auxiliary personnel No specialist knowledge required Startup opera...

Page 13: ...e safety data sheet of the operating fluid Observe regulatory information Observe the following regulatory information and guidelines Legal and local regulations for accident prevention Legal and local regulations for environmental protection Country specific regulations organization specific regulations Stoppage in an emergency EMERGENCY STOP In the event of an emergency pull the power plug Unpac...

Page 14: ...lescing and filter housings Pull out the power plug and securely fasten the power cord to the unit Transporting with the crane To transport with the crane fasten suitable band loops to the attachment points or to the lifting eyes 104 OLSW en us Page 14 76 BeWa OLSW 4268435 en us 2017 11 09 docx 2017 11 09 ...

Page 15: ...ge See chapter Technical Data on page 69 Permitted air humidity See chapter Technical Data on page 69 Air Clean salt free air not near oxidizing substances rust film Storage duration Unrestricted but in any case before the unit is started up again after a storage period of greater than 2 years all seals must be replaced Storage position Only standing OLSW en us Page 15 76 BeWa OLSW 4268435 en us 2...

Page 16: ...tion unit can be found on the name plates on the unit and the components Item Description 1 Name plate of filtration unit 2 Name plate of electric motor 3 Type label for WBF 4 Model code for details see page 71 OLSW en us Page 16 76 BeWa OLSW 4268435 en us 2017 11 09 docx 2017 11 09 ...

Page 17: ...Current Current consumption Pressure max Maximum permitted operating pressure Pressure IN Permissible operating pressure at INLET WATER connection Pressure OUT Permissible operating pressure at OUTLET WATER connection Weight Empty weight Flow rate Flow rate Temp oil Permitted fluid temperature range Temp amb Permitted ambient temperature range Volume Fluid volume in unit OLSW en us Page 17 76 BeWa...

Page 18: ...mes factory assembled Check that the filtration unit is complete before starting up The following items are supplied Qty Designation 1 OffLine SeparatorWater 1 Operation and Maintenance Instructions this document OLSW en us Page 18 76 BeWa OLSW 4268435 en us 2017 11 09 docx 2017 11 09 ...

Page 19: ...nodes during this process Large oil drops climb upwards and can be removed from the system by opening a valve The application is used in the bypass flow The use of a micro filtration system is expedient to ensure the maximum possible service life of the coalescing elements Limits of the coalescing procedure The unit is unsuitable for the separation of oils whose density is higher than 900 kg m3 su...

Page 20: ...Identifying components Identifying components Additional details regarding the versions can be found in the following OLSW en us Page 20 76 BeWa OLSW 4268435 en us 2017 11 09 docx 2017 11 09 ...

Page 21: ...r differential pressure indicator 2 bar 8 Flow restrictor 20 l min 9 Flow direction mark 10 Coalescing housing 10 2 O ring 10 3 Housing clamp 11 Contamination sensor coalescing casing differential pressure indicator 0 8 bar 12 Drain valve 13 Orifice 14 Control 15 Phase boundary sensor 16 Automatic breather 17 Tray sensor OLSW en us Page 21 76 BeWa OLSW 4268435 en us 2017 11 09 docx 2017 11 09 ...

Page 22: ...in DRAIN 4 Oil drain DRAIN OIL 5 Motor pump group 6 Pre filter 7 Contamination sensor filter housing differential pressure indicator 2 bar 8 Flow restrictor 20 l min 9 Flow direction mark 10 Coalescing housing 11 Contamination sensor coalescing casing differential pressure indicator 0 8 bar 12 Drain valve 13 Orifice OLSW en us Page 22 76 BeWa OLSW 4268435 en us 2017 11 09 docx 2017 11 09 ...

Page 23: ...ollowing dimensions A Required dismantling space for changing the filter coalescing elements B Recommended working range All dimensions in mm All measurements with 10 mm tolerance OLSW en us Page 23 76 BeWa OLSW 4268435 en us 2017 11 09 docx 2017 11 09 ...

Page 24: ...d Install the return line as far as possible from the suction point in order to obtain an optimum intermixing of the tank contents Take the following steps to prepare the unit for operation 1 Check that the power supply cable is undamaged Replace damaged cables immediately 2 Check the connecting lines for leaks Eliminate any leakages immediately 3 Check and insert the filter element For details se...

Page 25: ...Kinematic viscosity mm s D Density kg dm Mineral oil based hydraulic fluid has a density of 0 9 kg dm This applies for straight pipelines Additional threaded connections and pipe bends increase the pressure differential Keep the height difference between the unit and the fluid level in the tank as small as possible Constrictions in the connections and lines should be avoided This could compromise ...

Page 26: ...amaged The pressure on the suction port connection INLET WATER must not be more than 0 6 to 0 4 bar Checking setting the flow rate Set the maximum permissible volumetric flow of Q 20 l min 10 for external motor pump assembly Connecting the pressure connection OUTLET WATER Make sure that the nominal width of the pressure line corresponds to the connector thread of the OUTLET WATER port connection I...

Page 27: ...surized reservoir without cross section reduction Take care to ensure that no pressure can prevail and or develop The nominal size of the connecting line must match the cross section of the threaded connection The separated oil can contain some parts of operating medium Dispose of the oil water mixture in an environmentally friendly manner OLSW en us Page 27 76 BeWa OLSW 4268435 en us 2017 11 09 d...

Page 28: ...er supply and frequency on the unit with the network specifications The filtration unit has a thermal motor protection switch to protect it from electrical overload Checking the direction of rotation at the electric motor Start the motor by switching it on for a short time jog mode The arrow on the fan cover shows the correct direction of rotation If the rotation is in the opposite direction rever...

Page 29: ... cover 615 The description of the connection clamps can be found on the rear NOTICE Incorrect voltage current at the relay contact The control will be destroyed Take note of the maximum voltage and current permitted in the relay contacts of 24 V DC 2 A Only use cables with a cable cross section of 0 5 mm Use a free screw type conduit fitting on the lower rear side to connect the control line OLSW ...

Page 30: ...utput Output status Potential free relay contact 1 If one of the two clogging indicators reaches 75 the outlet will flash 1 second on 1 second off 2 If one of the two clogging indicators reaches 100 the outlet will switch on X3 7 8 Input Input for potential free push button to switch motor pump group on off No voltage is to be applied here Function To use the function the unit at the main switch n...

Page 31: ...l is over The timer has priority when switching off Thus the set interval and the switch on time are not influenced by the remote control Instead the timer assumes control again once the interval is over During activation of the manual drain the unit cannot be operated via remote control When the unit is switched on and the interval control is set to you can control the unit using the remote start...

Page 32: ...ting elements Item Designation 610 Main switch See page 33 for details 611 Motor protection switch See page 33 for details 612 Interval control See page 34 for details 613 Status LEDs See page 33 for details 614 Manual oil drain See page 34 for details OLSW en us Page 32 76 BeWa OLSW 4268435 en us 2017 11 09 docx 2017 11 09 ...

Page 33: ...ized Only the control circuit will have power Checking the motor protection switch The motor protection switch is aligned and adjusted at the installed electric motor at the works It is not necessary to correct the setting If the motor protection switch triggers proceed as indicated in the chapter Status LED Causes and remedies on page 38 OLSW en us Page 33 76 BeWa OLSW 4268435 en us 2017 11 09 do...

Page 34: ...ion Permanent operation time selector switch does not function One time operation the time set at the time selector switch time adjustment using time selector switch Operation once every 24 hours the time set at the time selector switch time adjustment using time selector switch Operation once every 7 days the time set at the time selector switch time adjustment using time selector switch OLSW en ...

Page 35: ...l be closed and the motor pump group will continue to run If the selector switch is rotated from position to an operating time the motor pump group will return to Remote stop if Remote stop had previously been activated When manual drainage is active Remote stop is not possible If the selector switch is not rotated from position inside 15 seconds to an operating time the motor pump group will be s...

Page 36: ...seconds and the LED beside the symbol illuminates in green If the phase boundary sensor is still signaling after 12 seconds that the drain level has been reached the motor pump group will switch off and the LED beside the symbol will illuminate in yellow If the error has been fixed the LED will flash yellow beside the symbol Resetting this fault is only possible by switching off and then restartin...

Page 37: ...INLET WATER and OUTLET WATER 2 Close the ball valve Drain 3 Prefill the motor pump group to the top with operating medium using the filling supports Open the ball valve INLET WATER 4 Switch on the unit at the main switch 5 The filter housing and the coalescing housing will be filled and automatically vented 6 Check the flow at the flow indicator 7 If no air exits at the breather then the filter an...

Page 38: ... explained below LED no Icon Meaning of the symbols 1 Status Power supply 2 Status Unit timer remote stop 3 Status Operation Sensor error 4 Status Drip tray sensor 5 Status Motor protection switch 6 Status Drain valve 7 Status of the coalescing elements 8 Status of the pre filter elements OLSW en us Page 38 76 BeWa OLSW 4268435 en us 2017 11 09 docx 2017 11 09 ...

Page 39: ...ration there was a drop in voltage Restart protection Switch off the unit at the main switch for 3 seconds and then back on LED continuous white light The power supply is available and the main switch is on restart protection is not active The LEDs 3 to 8 will show whether or not measures should still be necessary LED is dark LED is off The main switch is off The main switch is switched on and the...

Page 40: ... switched on or off with the main switch If the selector switch for the interval control is set to then the operation has switched off once according to the setting of the selector switch s time selector switch LED continuous green light The main switch is on and the unit is running No remedy is required LED continuous yellow light The main switch is on but the unit is not running Error Entry bloc...

Page 41: ...or replace the clogging indicator LED continuous green light The main switch is on and the unit is running or can be stopped via remote stop or timer controlled Also see LED flashing green No remedy is required LED continuous yellow light The drip tray sensor reports fluid in the drip tray Empty the drip tray search for the leakage and remedy it LED continuous white light The collecting tank is fu...

Page 42: ...remedy is required LED continuous yellow light The phase limit sensor signals Drainage level reached longer than the maximum valve opening time lasts The selector switch was activated longer than the maximum valve opening time This automatically closed the drain valve due to the maximum opening time being exceeded Turn the selector switch to a different position Check the DRAIN OIL connection for ...

Page 43: ... 100 contaminated Replace the corresponding element Resetting an error message To reset the error message on the control switch off the unit at the main switch for at least three seconds and then switch it back on Error messages where the LED of the error switches from continuous yellow or white to flashing yellow can be reset OLSW en us Page 43 76 BeWa OLSW 4268435 en us 2017 11 09 docx 2017 11 0...

Page 44: ... filter housing cover will not close The guide plate is still installed when using filter cartridges or a bar magnet Remove the guide plate Leak between filter housing and filter housing cover The O rings are damaged Replace the O rings seal kit see page 62 The filter housing cover is not tightened properly Tighten the 4 nuts on the filter housing cover No filtration The seal ring on the filter ba...

Page 45: ...ekly Daily Every 3 months 1 year 6 years When indicated Perform visual check 45 X Replacing hydraulic hoses 45 X Breather maintenance 46 X Changing filter element 50 X X Changing the coalescing elements 58 X X Perform visual check Check the unit for leaks brittle hoses and cables daily Replace damaged or brittle parts immediately Replacing hydraulic hoses Replace all hydraulic hoses every six year...

Page 46: ... Plan and carry out maintenance work at regular intervals NOTICE Faulty breather The filter area of the filter elements is not being used to its full potential The breather has functional parts which need to remain in smooth operation Make sure that parts touched by the fluid do not become clogged by deposits or dirt at the float in particular Adhere to the maintenance intervals The breather is no...

Page 47: ...only be carried out when the filtration unit is running 2 The air bleed plug has ventilation slots Loosen the air bleed screw approx 2 thread turns If fluid exits the breather is working everything is OK If air escapes the function of the breather is disrupted Perform the works detailed in chapter Cleaning breather Replacing parts on page 48 3 Screw in the air bleed screw 134 and tighten it 4 The ...

Page 48: ... with the repair set proceed as follows 1 Detach the drain line to the breather 2 Detach the breather from the filter housing 3 Detach the housing clamp 8 4 Remove one housing half 2 5 Remove the holding clamp 6 6 Remove the ball float 4 7 Gently loosen the screw 9 and remove the poppet seal 5 8 Clean the float or replace it 9 Insert a new poppet seal 5 OLSW en us Page 48 76 BeWa OLSW 4268435 en u...

Page 49: ...errors on the breather The following malfunctions at the breather may come about during operation Malfunction Cause Measure Leakage between the housing parts The housing clamp is not fastened tightly enough Retighten the screws 8 of the housing clamp in a clockwise direction Leakage at the poppet valve fluid comes out through the bleed line Foreign matter dirt prevents the full sealing of the valv...

Page 50: ... the shut off valves at the inlet INLET WATER and outlet OUTLET WATER 2 Depressurize the filter housing Remove the air bleed screw by turning it counterclockwise with a 6 mm Allen wrench 3 Open the drain ball valve DRAIN to empty the filter housing Collect the escaping fluid in a suitable container and dispose of it in an environmentally friendly manner OLSW en us Page 50 76 BeWa OLSW 4268435 en u...

Page 51: ...intenance 4 Undo the 4 nuts 1 30 mm on the filter housing cover and unscrew them 15 mm Fold the screws 2 down 5 Open the filter housing cover OLSW en us Page 51 76 BeWa OLSW 4268435 en us 2017 11 09 docx 2017 11 09 ...

Page 52: ...bing it with a cloth CAUTION Danger of cuts from sharp pointy particles CAUTION Wear gloves 7 Use the strap to lift the used filter element out of the filter housing Dispose of the filter element in an environmentally friendly manner OLSW en us Page 52 76 BeWa OLSW 4268435 en us 2017 11 09 docx 2017 11 09 ...

Page 53: ...use a hammer etc 9 Optional Only when using a bar magnet Remove the guide plate as described in the Removing the guide plate section on page 57 Insert the cleaned bar magnet into the mounting cavities of the filter element Do not use a hammer etc OLSW en us Page 53 76 BeWa OLSW 4268435 en us 2017 11 09 docx 2017 11 09 ...

Page 54: ...Performing maintenance 10 Check the O rings and gasket for damage and replace if necessary OLSW en us Page 54 76 BeWa OLSW 4268435 en us 2017 11 09 docx 2017 11 09 ...

Page 55: ... 12 1 Fold the four screws up 1 2 Tighten the four nuts 30 mm on the filter housing cover with a tightening torque 10 bar 100 Nm 16 bar 160 Nm To keep the screws operating smoothly we recommend assembly paste OLSW en us Page 55 76 BeWa OLSW 4268435 en us 2017 11 09 docx 2017 11 09 ...

Page 56: ...ith a torque of 20 Nm 14 Prefill the motor pump group to the top with operating medium using the filling supports Open the ball valve INLET WATER 15 The filter housing will be automatically vented 16 The filter housing is ready for operation OLSW en us Page 56 76 BeWa OLSW 4268435 en us 2017 11 09 docx 2017 11 09 ...

Page 57: ...tridges are damaged Remove the guide plate before using 30 filter cartridges To remove the guide plate proceed as follows Turn the guide plate screw counterclockwise using a 5 mm Allen wrench and remove the guide plate OLSW en us Page 57 76 BeWa OLSW 4268435 en us 2017 11 09 docx 2017 11 09 ...

Page 58: ...switch off the unit at the main switch 2 Close the ball cocks at INLET WATER and OUTLET WATER connections 3 Drain the existing oil from the coalescing container by manually letting it out via the DRAIN OIL 4 port connection into a suitable container 4 Release the quick action coupling 2 of the breather by pulling back the ring 1 and hang the supply line to the side OLSW en us Page 58 76 BeWa OLSW ...

Page 59: ...le container part up and off 7 Unscrew the three star grips 10 5 and remove the element holding plate 10 4 by lifting them upward Remove the coalescing elements and dispose of them in an environmentally friendly way Insert the new coalescing elements 10 1 into the housing Do not use a hammer etc Position the element holding plate 10 4 and use it to center the coalescing elements Screw on the three...

Page 60: ...tighten the tensioning clamp with max 20 Nm 9 Push on the quick action coupling 2 of the supply line until the ring 1 engages visibly audibly 13 Connect the electrical connector and the phase boundary sensor together and secure them by rotating clockwise OLSW en us Page 60 76 BeWa OLSW 4268435 en us 2017 11 09 docx 2017 11 09 ...

Page 61: ... including all of its components before decommissioning Pull out the power plug and securely fasten the hoses and power cord to the unit Stopping the Unit See chapter Taking the unit out of operation Disposing of the unit Dispose of the packaging material in an environmentally friendly manner After dismantling the unit and separating the various materials dispose of the unit in an environmentally ...

Page 62: ...Finding spare parts Finding spare parts Additional details regarding the versions can be found in the following OLSW en us Page 62 76 BeWa OLSW 4268435 en us 2017 11 09 docx 2017 11 09 ...

Page 63: ...Finding spare parts OLSW en us Page 63 76 BeWa OLSW 4268435 en us 2017 11 09 docx 2017 11 09 ...

Page 64: ...0 1 Coalescing elements N20WR005 1F 3277940 11 10 2 O ring 6012630 2 10 3 Housing clamp 6005235 2 10 4 Element holding plate 3741852 1 10 5 Star knob 6205545 3 11 Contamination sensor coalescing casing differential pressure indicator 0 8 bar 1 12 Drain valve 6074859 1 13 Orifice 3303401 1 15 Phase boundary sensor 4234490 1 16 Automatic breather 6166933 1 16 1 Repair set for breather consisting of ...

Page 65: ...Finding spare parts Fluid filter spare parts WBF The following spare parts are available for the WBF casing OLSW en us Page 65 76 BeWa OLSW 4268435 en us 2017 11 09 docx 2017 11 09 ...

Page 66: ...Type label 1 10 Filter element receptacle WBF 200 W 1 3477525 11 Filter element N200 1 12 Bar magnet insert 1 20 Filter bag receptacle WBF 200 B 1 3909007 21 Filter bags WBF200 1 OLSW en us Page 66 76 BeWa OLSW 4268435 en us 2017 11 09 docx 2017 11 09 ...

Page 67: ...1 X 131 Screw plug 1 X 132 Screw plug 1 X 160 Foot 1 X 162 Screw plug 1 X 170 Screw block for clogging indicator 1 X 171 Pipe 1 X 172 Screw connection 2 X 173 Coupling nut 2 X 174 Cutting ring 2 X 175 Screw connection 1 X 176 Screw connection 1 X INLET label 1 OUTLET label 1 DRAIN label 1 AIR BLEED label 1 Seal kit FKM consisting of 1x O ring 112 1x O ring 113 1x profile seal ring 1 3919114 Seal k...

Page 68: ...rt not orderable Upon request Accessories The following accessories are available for the unit Item Designation Part no 20 Drip tray mobile 21 Fluid level gauge 6199678 OLSW en us Page 68 76 BeWa OLSW 4268435 en us 2017 11 09 docx 2017 11 09 ...

Page 69: ...erial of seal FPM INLET connector INLET WATER G1 OUTLET connector OUTLET WATER G1 2 Connection for water drain DRAIN OIL G 1 2 Electrical data Power supply See type label Power consumption See type label Required fuse element 16 Amperes Power cable length 0 5 m Protection class in accordance with DIN 40050 IP 54 General data Permitted ambient temperature range 5 50 C Permitted storage temperature ...

Page 70: ...rmany Telephone 49 681 509 883 Fax 49 681 509 324 E mail service hydac com Glossary The terms and abbreviations used in this manual are explained below Term abbreviation Definition OLSW OffLine Separator Water FKM Fluoroelastomer rubber WB Wombat WBF Wombat Filter OLSW en us Page 70 76 BeWa OLSW 4268435 en us 2017 11 09 docx 2017 11 09 ...

Page 71: ...lic connection D G 1 J DN 50 B1 only Pre filter Fluid filter 1 WBF201 Z without pre filter B1 only Water drain 1 Manual 2 Automatic Premium only Control concept B1 Coalescing housing E Eco with sensors for connecting to external customer side controls S Standard PKZ manual functions P Premium all automatic Material of seal F FKM FPM Viton Clogging indicator A Screw in block without contamination s...

Page 72: ...on 16 18 19 25 28 44 47 Flow direction 21 22 64 Flow rate 17 25 69 Fluid filter 65 71 G Glossary 70 H Hazard symbol 7 9 Hydraulic connection 71 Hydraulic data 69 I Imprint 2 IN 17 INLET 17 21 22 26 37 50 56 58 61 67 69 installation 10 44 Internal pipe diameter 25 IP 69 M Main switch 32 Maintenance 1 12 18 45 Maintenance interval 45 Maintenance intervals 45 Malfunction 44 49 Measure 49 Measures 9 M...

Page 73: ...g 26 33 35 40 Signal word 9 signal words 9 Specialist personnel 12 switching off 31 36 switching on 31 T Time 35 Transport 12 Troubleshooting 12 Type label 16 66 V venting 46 W Weight 17 OLSW en us Page 73 76 BeWa OLSW 4268435 en us 2017 11 09 docx 2017 11 09 ...

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Page 76: ...striegebiet Postfach 1251 66280 Sulzbach Saar 66273 Sulzbach Saar Germany Germany Tel 49 6897 509 01 Central Fax 49 6897 509 9046 Technology Fax 49 6897 509 577 Sales Department Internet www hydac com E Mail filtersystems hydac com ...