Bosch Rexroth M SED 10 XN Series Operating Instructions Manual Download

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Operating instructions
RE 22045-XN-B/05.17

Replaces: 04/16
English

Directional seat valves,

direct operated,

with solenoid actuation

(Area of application according to the explosion protection directive 2014/34/EU:

II 3G, II 3D

)

Type M-.SED 10...XN...

Summary of Contents for Rexroth M SED 10 XN Series

Page 1: ...ions RE 22045 XN B 05 17 Replaces 04 16 English Directional seat valves direct operated with solenoid actuation Area of application according to the explosion protection directive 2014 34 EU II 3G II 3D Type M SED 10 XN ...

Page 2: ...ligation of own judgment and verification Our products are subject to a natural process of wear and aging This document as well as the data specifications and other information set forth in it are the exclusive property of Bosch Rexroth AG It may not be reproduced or given to third parties without its consent The cover shows an example configuration The product supplied may therefore differ from t...

Page 3: ...oduct information 16 5 1 Product identification 17 6 Transport and storage 21 6 1 Transporting the valve 21 6 2 Storing the hydraulic valve 22 7 Assembly 23 7 1 Unpacking 23 7 2 Changes to the surface protection of the valve 23 7 3 Installation conditions 23 7 4 Before the assembly 24 7 5 Required tools 24 7 6 Required accessories 25 7 7 Assembling the valve 26 8 Commissioning 32 9 Operation 34 9 ...

Page 4: ...XN B 05 17 12 5 Recycling 41 13 Extension and modification 41 14 Troubleshooting 41 14 1 How to proceed for troubleshooting 41 15 Technical data 43 16 Appendix 43 16 1 List of addresses 43 17 Declaration of conformity 44 18 Alphabetical index 45 ...

Page 5: ...book symbol and you have understood and observed it Table 1 Required and amending documentation Title Document number Document type Directional seat valves direct operated with solenoid actuation 22045 XN Data sheet General product information on hydraulic products 07008 Data sheet Subplates 45100 Data sheet Declaration of conformity M SED 10 XN Document Refer to the operating instructions 22045 X...

Page 6: ...ngerous situation which may cause death or severe injury if not avoided CAUTION Indicates a dangerous situation which may cause minor or moderate personal injury if not avoided NOTICE Damage to property The product or the environment could be damaged 1 3 2 Symbols The following symbols indicate notices which are not safety relevant but increase the comprehensibility of the documentation Table 3 Me...

Page 7: ...hen you pass the product on to third parties 2 2 Intended use The product is a hydraulic component You may use the product as follows as a direct operated directional seat valve with solenoid actuation for intended use in explosive atmospheres The product is only intended for professional use and not for private use Intended use includes having read and understood this documentation completely esp...

Page 8: ...per and thus not admissible The installation or use of inappropriate products in safety relevant applications could result in unintended operating states during use which in turn could cause personal injuries and or damage to property Therefore please only use a product for safety relevant applications if this use is expressly specified and permitted in the documentation of the product For example...

Page 9: ...ucts reading and completely understanding hydraulic schemes in particular completely understanding the correlations regarding the safety equipment and having knowledge of the function and set up of hydraulic components The personnel must have the following additional qualifications to the extent required to fulfill their tasks Understanding of the general principles of explosion protection protect...

Page 10: ...y hazard to persons due to unsuitable spare parts Comply with the technical data and environmental conditions specified in the product documentation The installation or use of inappropriate products in safety relevant applications could result in unintended operating states during use which in turn could cause personal injuries and or damage to property Therefore only use a product for safety rele...

Page 11: ...s may lead to functional failures like e g overheating of the valve solenoid This means that the explosion protection is no longer ensured Only use the valve within the intended environmental and hydraulic fluid temperature range Hot surface at the valve solenoid Risk of burning Provide for a suitable touch guard During operation only touch the valve solenoid using heat protective gloves Allow the...

Page 12: ...g or blocking of nozzles of the valve In the worst case this may result in unexpected system movements and thus constitute a risk of injury for persons Ensure adequate hydraulic fluid cleanliness according to the cleanliness classes of the directional valve over the entire operating range Leakage in case of incorrect working temperatures Use of the valve outside the approved temperature range may ...

Page 13: ...for flow limitation With a 4 2 directional seat valve with Plus 1 plate the throttle insert for flow limitation does not have to be inserted in port P at the valve body but rather in port P of the Plus 1 plate Ports P A and T of a 3 2 directional seat valve or P A B and T of a 4 2 directional seat valve are clearly assigned according to their function and must not be exchanged or closed The flow i...

Page 14: ...of the Bosch Rexroth valve is responsible that the valve is only used according to the intended use as defined in these operating instructions the valve is only stored operated and maintained according to the technical data operating and environmental conditions indicated in Data sheet 22045 XN in particular that the limit values indicated in Data sheet 22045 XN are not exceeded the applicable pro...

Page 15: ...ticles in the valve Penetrating dirt and foreign particles in the valve lead to wear and malfunctions Safe function of the valve is therefore no longer ensured During installation ensure utmost cleanliness in order to prevent foreign par ticles such as welding beads or metal chips from getting into the hydraulic lines Before commissioning ensure that all hydraulic connections are tight and that al...

Page 16: ...ss Check the scope of delivery for possible transport damage see chapter 6 Transport and storage In case of complaints please contact Bosch Rexroth AG see chapter 16 1 List of addresses Accessories such as mating connectors valve subplates and valve mounting screws are not included in the scope of delivery and must be ordered separately See chapter 7 6 Required accessories 5 Product information Fo...

Page 17: ...of manufacture year and week e g FD 03W01 7 Maximum operating pressure e g pmax 350 bar 8 Ambient temperature range 20 C Ta 50 C 9 Hydraulic symbol according to ISO 1219 Graphic 10 Designation of origin Made in Germany 11 Name and address of the manufacturer Bosch Rexroth AG D 97816 Lohr 12 Customer s or production order number e g 123456789012345678 13 Customer material number or additional infor...

Page 18: ...and address of the manufacturer of the valve solenoid ETO MAGNETIC Sp z o o 52 407 Wroclaw Pl 2 Type designation NG6 45 104918 02 3 CE mark CE 4 Explosion protection mark Ex 5 Internal identification number R901307006 6 Nominal voltage 24 VDC 7 Rated current at 20 C and nominal voltage 0 95 A 8 Mark according to the explosion protection directive 2014 34 EU and type of protection according to EN 6...

Page 19: ...ich explosive gasses mists or vapors device group II occur permanently or for a long time or frequently Corresponds to zone 0 according to directive 1999 92 EC Very high level of safety 0 1 2 II 2G Potentially explosive atmospheres in which explosive gases mists or steams device group II occur sometimes Corresponds to zone 1 according to directive 1999 92 EC High level of safety 1 2 II 3G Potentia...

Page 20: ...n atmospheres which are potentially explosive due to explosive gasses mists or vapors zone 0 1 2 for which device group II categories 1G 2G and 3G are intended the maximum surface temperature of the directional valve must in addition be below the ignition temperature of the surrounding explosive gas mist or vapor Based on their maximum surface temperature these hydraulic products are classified ac...

Page 21: ...s If transported improperly the valve may fall down and cause damage and or injuries since the parts may be e g sharp edged oily unstable loose or bulky Use the original packaging for transport Use personal protective equipment such as gloves working shoes safety goggles working clothes etc Comply with the national laws and regulations regarding occupational health and safety and transport Do not ...

Page 22: ... closed with closing elements After opening the transport packaging it must be closed properly again for storage Use the original packaging for storage 1 Check the complete valve for damage and corrosion prior to installation 2 In a test run check the valve for correct function and leak tightness After expiry of the maximum storage time we recommend having the valve checked by your competent Rexro...

Page 23: ...ordance with the national regulations of your country 7 2 Changes to the surface protection of the valve WARNING Explosion hazard caused by changes at the valve Any change at the surface protection of the valve solenoid will lead to loss of the explosion protection The valve solenoid must not be painted or otherwise coated with non conductive substances Additional painting of the valve housing may...

Page 24: ...um cross section W H of the manifold in case of bank assembly of several valves 85 x 60 mm Minimum distance between the longitudinal valve axes in case of the bank assembly of several valves 73 mm 7 4 Before the assembly WARNING Explosion hazard due to the wrong area of application A valve which is not approved for the area of application may cause an explosion Check whether the explosion protecti...

Page 25: ...t according to VDA 235 101 Material number ISO 4762 M6 90 10 9 flZn 240h L 4 0 09 0 14 R913000259 For subplates with dimensions for valves with porting pattern according to ISO 4401 refer to Data sheet 45100 Table 14 Throttle inserts Throttle diameter Material number 1 2 mm R900306521 1 5 mm R900306523 1 8 mm R900306524 2 0 mm R900306525 2 2 mm R900320156 Table 15 Check valve insert Material numbe...

Page 26: ...ting Mounting of the valve using valve mounting screws of reduced stability insufficient mounting or fastening at blocks and plates with insufficient stability may cause the valve to become loose and fall down Consequently hydraulic fluid may leak and lead to personal injuries and or damage to property Special care must be taken with valves with suspended installation Completely assemble the valve...

Page 27: ...ns hydraulic lines and attachment parts are clean Ensure that no cleaning agents are able to penetrate the hydraulic system Do not use hemp as a sealant under any circumstances With the 4 2 directional seat valve you have to assemble the supplied Plus 1 plate between valve and valve mounting surface with throttle insert or check valve insert if necessary see chapter 2 7 Notes on the valve use To e...

Page 28: ...ted on connection surfaces of a different material it might be necessary to use a lower tightening torque in order to exclude any damage 7 7 2 Hydraulically connecting the valve CAUTION Damage to the valve If you install hydraulic lines and hoses under pressure they are exposed to additional mechanical forces during operation which reduce the life cycle of the valve and the complete machine or sys...

Page 29: ...e machine may be caused Provide for correct earthing and provide for proper equipotential bonding The base plate or subplate on which the valve is fitted must be electrically conductive and included in the equipotential bonding according to EN 60079 14 and IEC 60364 4 41 Explosion hazard caused by overheating A wrongly dimensioned fuse protection may lead to overheating during operation and thus c...

Page 30: ...lied with the mating connector and the tightening torques and use of other sealing devices specified in the same WARNING Improper installation The protection class IP 65 of the mating connector see chapter 7 6 Required accessories is not ensured if the sealing device included in the scope of delivery is not installed The sealing device included in the scope of delivery must be installed The maximu...

Page 31: ...in staggered assembly around the pole tube i e the longitudinal axis of the valve displaced by 90 The pole tube of the valve solenoid is completely sealed towards the oil circuit The solenoid coil can therefore still be turned if the valve has already been installed 1 Detach the mounting nut of the valve solenoid at the pole tube hexagon nut wrench size 32 2 Remove the solenoid coil and the O ring...

Page 32: ...cations with different area ratios the hydraulic pressure is increased and may in case of incorrect design lead to an exceedance of the maximum admissible operating pressure Thus the valve may burst or the closing elements may fly around and cause serious injuries Ensure before the commissioning of the hydraulic system that the maximum admissible pressure of the hydraulic valve in the system is no...

Page 33: ...fe cycle of the valve is extended Do not switch the valve under operating pressure as this may cause damage You can also achieve the switching movement of the valve control spool necessary for the bleeding procedure by manual actuation of the manual override see chapter 9 2 Operating the manual override only relevant for type M SED 10 N9 Ensure that during operation no hydraulic fluid leaks at the...

Page 34: ...ions If the maximum dust layer thickness of 50 mm is exceeded there is an explosion hazard Make sure that the maximum dust layer thickness is not exceeded Regularly remove dust accumulations if required CAUTION Loud noise In case of an unfavorable disposition of valves resonance or fluid noises e g whistling may result In continuous operation these noises may cause hearing damage in persons or dam...

Page 35: ...ve this pressure value the actuating force to be applied is too large Do not use sharp edged tools to operate the manual override Valve type M SED 10 N9 is equipped with a manual override Using this manual override the switching function of the valve can also be triggered if the solenoid is not energized The manual override is only intended for manual operation It is not suitable for frequently re...

Page 36: ... the plug in connections are firmly attached so that no humidity can penetrate the valve during cleaning Remove external coarse dirt and keep sensitive and important parts such as valve solenoids clean Remove dust and dirt accumulations on the valve at regular intervals Comply with the max admissible dust layer thickness of 50 mm 10 2 Inspection and maintenance WARNING Uncontrolled machine movemen...

Page 37: ...mating connector 5 Check the valve for external leakage replace the sealing devices if required see chapter 10 5 Rectifying external leakages 10 3 Maintenance schedule Valves are low maintenance provided that they are used as intended To ensure that the valve functions reliably for a long time Rexroth recommends checking the hydraulic system and the valve regularly 10 3 1 Checking for leakage Chec...

Page 38: ...t the valve for cleanliness and damage 3 Check the recesses and seal rings of the connection flanges for cleanliness and damage 4 Dry the valve connection surface and the valve contact surface using suitable cleaning materials 5 Assemble the new sealing devices 6 Assemble the valve at the contact surface see chapter 7 Assembly 10 6 Spare parts Table 18 Seal kit for the valve connection surface Spa...

Page 39: ...led valve may fall down and cause injuries During the disassembly secure the valve against falling down Have sufficiently dimensioned collecting containers sufficient cleaning cloths and medium binding materials ready in order to collect or bind leaking hydraulic fluid 1 De energize and de pressurize the relevant system part 2 Professionally remove the electrical connections 3 Prepare a container ...

Page 40: ...en products are returned Valves are to be drained before being returned The components have to be sent free to the door to the following address Bosch Rexroth AG Service Industriehydraulik Industrial hydraulics Bürgermeister Dr Nebel Straße 8 97816 Lohr am Main Germany 12 3 Packaging Upon request reusable systems can be used for regular deliveries The materials for disposable packaging are mostly ...

Page 41: ...onger be possible 14 Troubleshooting 14 1 How to proceed for troubleshooting Always work systematically and purposefully even when under time pressure Random and imprudent disassembly and readjustment of settings can in the worst case scenario result in the inability to determine the original cause of error First get a general idea of the function of your valve in conjunction with the overall syst...

Page 42: ...nd or reapply pressure at port P Control spool is jammed due to contamination If possible try to release the control spool by manually actuating the manual override See chapter 9 2 Operating the manual override only relevant for type M SED 10 N9 If this fails Remove valve and replace it with a new one External leakage Seal defective Seal at the connection surface is defective Remove the valve and ...

Page 43: ...k Industrial hydraulics Bürgermeister Dr Nebel Straße 8 97816 Lohr am Main Germany Phone 49 93 52 40 50 60 Email repair hydraulics boschrexroth de Headquarters Bosch Rexroth AG Zum Eisengießer 1 97816 Lohr am Main Germany Phone 49 93 52 18 0 Email info boschrexroth de The addresses of our sales and service network and sales organizations can be found at www boschrexroth com adressen Contacts for t...

Page 44: ...44 48 Declaration of conformity Bosch Rexroth AG M SED 10 XN RE 22045 XN B 05 17 17 Declaration of conformity ...

Page 45: ...nditions 23 Intended use 7 L Leakage 38 List of addresses 43 M Maintenance 36 Maintenance schedule 37 Manual override 35 Modification 41 N Name plate 17 O Obligations of the machine end user 14 Operation 34 P Packaging 40 Personal protective equipment 14 Q Qualification of personnel 9 R Recycling 41 Repair 36 38 Required and amending documentation 5 S Safety instructions 7 Scope of delivery 16 Spa...

Page 46: ...46 48 Alphabetical index Bosch Rexroth AG M SED 10 XN RE 22045 XN B 05 17 19 Alphabetical index ...

Page 47: ...Alphabetical index 47 48 RE 22045 XN B 05 17 M SED 10 XN Bosch Rexroth AG ...

Page 48: ...Bosch Rexroth AG Zum Eisengießer 1 97816 Lohr a Main Germany Phone 49 0 9352 18 0 info boschrexroth de www boschrexroth com Subject to change without notice Printed in Germany RE 22045 XN B 05 17 ...

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