Bosch SED6 XN Series Manual
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Bosch SED6 XN Series Manual

Directional seat valves, direct operated, with solenoid actuation
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Directional seat valves,
direct operated,
with solenoid actuation
(Area of application according to Explosion Protection Directive 2014/34/EU
and Technical Rules EAC TR CU 012/2011: II 3G, II 3D)
Type SED6..1X/...XN...
Operating instructions
RE 22049-XN-B/01.21
Replaces: 09.19
Document no.: RA78488344_AB
English

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Summary of Contents for Bosch SED6 XN Series

  • Page 1 Directional seat valves, direct operated, with solenoid actuation (Area of application according to Explosion Protection Directive 2014/34/EU and Technical Rules EAC TR CU 012/2011: II 3G, II 3D) Type SED6..1X/...XN... Replaces: 09.19 Operating instructions Document no.: RA78488344_AB RE 22049-XN-B/01.21 English...
  • Page 2 BG: Въвеждането в експлоатация на този продукт може да се извърши едва тогава, когато разполагате с това ръководство за експлоатация на разбираем за Вас официален език на ЕС и сте разбрали неговото съдържание. Ако това не е така, обърнете се към Вашия партньор Bosch Rexroth или към компетентен сервиз. Ще го намерите на www.boschrexroth.com.
  • Page 3 UE que você entenda e se você tiver compreendido seu conteúdo. Se não for esse o caso, entre em contato com a pessoa de contato da Bosch Rexroth ou com o centro de serviço responsável.
  • Page 4 Our products are subject to a natural process of wear and aging. © All rights with Bosch Rexroth AG, also in case of applications for industrial property protection. It may not be reproduced or given to third parties without consent of Bosch Rexroth AG.

  • Page 5: Table Of Contents

    Maintenance and repair 10.1 Cleaning and care 10.2 Inspection and maintenance 10.3 Maintenance schedule 10.4 Repair 10.5 Rectifying external leakages 10.6 Spare parts Disassembly and removal Disposal 12.1 Environmental protection 12.2 Return to Bosch Rexroth AG 12.3 Packaging 12.4 Materials used RE22049-XN-B/01.21, SED6..1X/...XN..., Bosch Rexroth AG...
  • Page 6 12.5 Recycling Extension and modification Troubleshooting 14.1 How to proceed for troubleshooting Technical data Appendix 16.1 List of addresses Certificates 17.1 EU declaration of conformity according to ATEX Directive 2014/34/EU 17.2 Certificate according to technical rules EAC TR CU 012/2011 (excerpt) Index Bosch Rexroth AG, SED6..1X/...XN..., RE22049-XN-B/01.21...

  • Page 7: About This Documentation

    "Product-specific safety instructions" and in chapter 3 "General information on damage to property and damage to product" and whenever a sequence of actions or instructions is explained which bears the danger of personal injury or damage to property. The hazard avoidance measures described must be observed. RE22049-XN-B/01.21, SED6..1X/...XN..., Bosch Rexroth AG...

  • Page 8: Signal Word

    The following abbreviations are used in this documentation: Table 4: Abbreviations Abbreviation Meaning ATEX EU Directive for Explosion Protection (Atmosphère explosible) European Standard International Organization for Standardization International Electrotechnical Commission Rexroth document in English language Ingress protection class of electric operating equipment Bosch Rexroth AG, SED6..1X/...XN..., RE22049-XN-B/01.21...

  • Page 9: Safety Instructions

    You can find details about the device group, category, temperature class/surface temperature and equipment protection level (EPL) in accordance with ATEX Directive 2014/34/EU and the derived standards in "Data sheet 22049-XN" under "Information on explosion protection" and on the name plate of the valve. RE22049-XN-B/01.21, SED6..1X/...XN..., Bosch Rexroth AG...

  • Page 10: Improper Use

    • Non-compliance with the specified performance limits Changes and/or modifications to the valve are not admissible, refer to chapter 13 "Extension and modification". Bosch Rexroth AG does not assume any liability for damage caused by improper use. The user assumes all risks involved with improper use. Bosch Rexroth AG, SED6..1X/...XN..., RE22049-XN-B/01.21...

  • Page 11: Qualification Of Personnel

    • Understanding of the additional importance of work permit systems and safe electrical separation regarding explosion protection. Bosch Rexroth offers measures supporting training in specific fields. An overview of the training content can be found online at: http://www.boschrexroth.de RE22049-XN-B/01.21, SED6..1X/...XN..., Bosch Rexroth AG...

  • Page 12: General Safety Instructions

    • Only use original Bosch Rexroth accessories and spare parts in order to prevent any hazard to persons due to unsuitable spare parts. • Comply with the technical data and environmental conditions specified in the product documentation.

  • Page 13: Product-Specific Safety Instructions

    ▶ Ensure before working at the hydraulic product that the hydraulic system is depressurized and the electrical control de-energized. ▶ Completely unload the pressure at machines and systems before working at the valve. RE22049-XN-B/01.21, SED6..1X/...XN..., Bosch Rexroth AG...
  • Page 14 To prevent the valve from becoming loose and causing a risk of injury: ▶ Exchange the valves with corrosion damage as soon as possible. ▶ Check the surface protection on the valve and the valve mounting screws at regular intervals. Bosch Rexroth AG, SED6..1X/...XN..., RE22049-XN-B/01.21...

  • Page 15: Notes On The Valve Use

    The machine end-user of the Bosch Rexroth valve is responsible that • the valve is only being used according to the intended use as defined in these operating instructions.

  • Page 16: General Information On Damage To Property And Damage To The Product

    Ensure that no cleaning agents are able to penetrate the hydraulic system. Environmentally harmful hydraulic fluid! Leaking hydraulic fluid leads to environmental pollution. ▶ Immediately remedy possible leakage. ▶ Dispose of the hydraulic fluid in accordance with the currently applicable national regulations in your country. Bosch Rexroth AG, SED6..1X/...XN..., RE22049-XN-B/01.21...

  • Page 17: Scope Of Delivery

    ▶ 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 cable set, valve subplates and valve mounting screws (except for valve type M-4SED 6...) are not included in the scope of delivery and must be ordered separately;...

  • Page 18: Product Identification

    - for the type of protection of the mechanical part according to EN 80079-36 Other mark - according to ATEX Directive 2014/34/EU - for the type of protection of the mechanical part according to EN 80079-36 Bosch Rexroth data matrix code Mark for customer/factory specific information Bosch Rexroth QR code Bosch Rexroth AG, SED6..1X/...XN..., RE22049-XN-B/01.21...
  • Page 19 Other marking according to technical rules EAC TR CU 012/2011 Approved certification body Certificate number With the 4/2 directional seat valve, another name plate is attached to the Plus-1 subplate. It only contains an identification number internally used by Bosch Rexroth. RE22049-XN-B/01.21, SED6..1X/...XN..., Bosch Rexroth AG...
  • Page 20 Nominal voltage Rated current at 20 °C Mark according to ATEX directive 2014/34/EU and for the type of protection according to EN 60079-7 Mark according to ATEX directive 2014/34/EU and for the type of protection according to EN 60079-31 Number of the type examination certificate Bosch Rexroth AG, SED6..1X/...XN..., RE22049-XN-B/01.21...
  • Page 21 Potentially explosive atmospheres in which an explosive atmosphere due to stirred dust (= device group II) is normally not present or occurs only rarely or only for a short period of time. Corresponds to zone 22 according to Directive 1999/92/EC. Normal safety level. RE22049-XN-B/01.21, SED6..1X/...XN..., Bosch Rexroth AG...

  • Page 22: Transport And Storage

    Danger of cut injury! ▶ Wear suitable protective equipment for the transport of the safety valve. More information regarding transport is available from Bosch Rexroth, see chapter 16.1 "List of addresses". Report any transport damage to your responsible sales contact person within one week. The addresses of the sales subsidiaries can be found on the Internet at: http:/www.boschrexroth.com/adressen...
  • Page 23 12 months After expiry of the maximum storage time, we recommend having the valve checked by your competent Bosch Rexroth service. In case of questions regarding spare parts, please contact the Bosch Rexroth service responsible for your valve, see chapter 10.6 "Spare parts".

  • Page 24: Assembly

    It is imperative to provide for absolute cleanliness. The valve must be protected from dirt during installation. Contamination of the hydraulic fluid may considerably reduce the life cycle of the valve. ▶ Observe the installation position specified in "Data sheet 22049-XN". Bosch Rexroth AG, SED6..1X/...XN..., RE22049-XN-B/01.21...

  • Page 25: Prior To Assembly

    Also observe the safety instructions in chapter 2.6 "Product-specific safety instructions". ▶ Transport protection elements (e.g. cover plates, protective plugs) must be removed prior to use in an explosive atmosphere. 7.5 Required tools In order to assemble the valve, you need standard tools only. RE22049-XN-B/01.21, SED6..1X/...XN..., Bosch Rexroth AG...

  • Page 26: Required Accessories

    The following accessories are recommended for the connection of the valve. These accessories are not included in the scope of delivery and can be ordered separately from Bosch Rexroth: Valve mounting screws For the valve type M-4SED6..., valve mounting screws are included in the scope of delivery.

  • Page 27: Assembling The Valve

    This might cause persons to slip or fall. ▶ Do not remove the protective caps of the valve until assembly. ▶ After disassembly, seal the hydraulic fluid bores with suitable cap elements. ▶ Immediately remove any hydraulic fluid that has leaked out. RE22049-XN-B/01.21, SED6..1X/...XN..., Bosch Rexroth AG...
  • Page 28 7 Nm ± 0.7 Nm (with a friction coefficient of µ = 0.09...0.14). This tightening torque refers to the maximum total admissible operating pressure. Bosch Rexroth AG, SED6..1X/...XN..., RE22049-XN-B/01.21...
  • Page 29 Mark all checked fittings, e.g. using a permanent marker. Make sure that all pipes and hose lines and every combination of connection pieces, couplings or connection points with hoses or pipes are checked for their operational safety by a person with appropriate knowledge and experience. RE22049-XN-B/01.21, SED6..1X/...XN..., Bosch Rexroth AG...
  • Page 30 This fuse or a protective motor switch may only be fitted outside the potentially explosive atmospheres or must be of an explosion-proof design. ▶ The fuse can be accommodated in the related supply unit or must be interconnected separately. For information on the prescribed pre-fuse, refer to "Data sheet 22049-XN". Bosch Rexroth AG, SED6..1X/...XN..., RE22049-XN-B/01.21...
  • Page 31 Route the connection line in a strain-relieved form. The first mounting point must be within 15 cm of the cable entry. The connection of the solenoid coil is polarity-independent. The plug-in connection is not suitable for normal separation of the electric circuit during operation. RE22049-XN-B/01.21, SED6..1X/...XN..., Bosch Rexroth AG...
  • Page 32 Assemble the O-ring onto the pole tube and slide it forward up to the solenoid coil. Re-tighten the mounting nut of the valve solenoid (hexagon nut, wrench size 32, tightening torque 8 + 1 Nm). Afterwards, there must be no visible gap between the solenoid coil and the valve housing. Bosch Rexroth AG, SED6..1X/...XN..., RE22049-XN-B/01.21...

  • Page 33: Commissioning

    Risk of short-circuit! Condensed water may form inside the electrical connection and cause a short-circuit! ▶ Allow the valve to acclimatize for some hours prior to commissioning as the electric connection might be damaged by the generation of condensed water. RE22049-XN-B/01.21, SED6..1X/...XN..., Bosch Rexroth AG...
  • Page 34 Ensure that no hydraulic fluid leaks at the valve and the connections during operation. ▶ Check for internal leakage. The check must be carried out according to the possibilities present at the hydraulic system. Internal leakage can be valve-specific but does not necessarily affect the functionality of the valve. Bosch Rexroth AG, SED6..1X/...XN..., RE22049-XN-B/01.21...

  • Page 35: Operation

    Changing the settings at the valve is not admissible. For information on the operation, please refer to the operating instructions for the hydraulic system into which the valve is installed. If errors occur, refer to chapter 14 "Troubleshooting". RE22049-XN-B/01.21, SED6..1X/...XN..., Bosch Rexroth AG...

  • Page 36: Manual Override (Only Relevant For Type M-.Sed6

    For operation, push the manual override in the direction of the valve housing using a rounded tool with a maximum diameter of 5 mm or using a dedicated special tool (see chapter 7.6 "Required accessories"). The manual override may only be activated when the rubber cap is removed. Bosch Rexroth AG, SED6..1X/...XN..., RE22049-XN-B/01.21...

  • Page 37: Maintenance And Repair

    - that deficiencies that have to be anticipated are identified timely. The check must, however, at least be carried out every three years from the date of manufacture of the valve. The date of manufacture of the valve is indicated on the name plate. RE22049-XN-B/01.21, SED6..1X/...XN..., Bosch Rexroth AG...

  • Page 38: Maintenance Schedule

    Check the valve for external leakage; replace the sealing devices, if required, see chapter 10.5 "Rectifying external leakages". 10.3 Maintenance schedule Valves require low maintenance if used as intended. For a long and reliable operation of the valve, Bosch Rexroth recommends regularly checking the hydraulic system and the valve. 10.3.1 Checking for leakage Check the valve for leakage.

  • Page 39: Repair

    NBR seal kit for the valve connection surface R900075699 FKM seal kit for the valve connection surface R900075700 Ensure the suitability of the sealing materials for the hydraulic fluid used! See "Data sheet 22049-XN". Valve mounting screws For information on the valve mounting screws refer to "Data sheet 22049-XN". RE22049-XN-B/01.21, SED6..1X/...XN..., Bosch Rexroth AG...

  • Page 40: Disassembly And Removal

    40/48 Disassembly and removal In case of questions regarding spare parts, please contact your local Bosch Rexroth service: Bosch Rexroth AG Service Hydraulics Bürgermeister-Dr.-Nebel-Str. 8 97816 Lohr am Main Tel: +49 (0) 9352/40 50 60 service@boschrexroth.de For the addresses of our sales and service network please refer to: www.boschrexroth.com/adressen...

  • Page 41: Disposal

    Upon request, reusable systems can be used for regular deliveries. The materials for disposable packaging are mostly cardboard, wood, and expanded polystyrene. They can be recycled without any problems. For environmental reasons, disposable packaging should not be used for returning products to Bosch Rexroth. RE22049-XN-B/01.21, SED6..1X/...XN..., Bosch Rexroth AG...

  • Page 42: Materials Used

    42/48 Extension and modification 12.4 Materials used Hydraulic components from Bosch Rexroth do not contain any hazardous materials that could be released during intended use. Normally, no unfavorable effects on human beings and on the environment have to be expected. The valves basically comprise of: •...

  • Page 43: How To Proceed For Troubleshooting

    In case of failure: Remove valve and replace it with a new one. External leakage Seal defective • Seal at the connection Remove the valve and replace the seals surface is defective • Other leakage Remove valve and replace it with a new one RE22049-XN-B/01.21, SED6..1X/...XN..., Bosch Rexroth AG...

  • Page 44: Technical Data

    +49 (0) 9352/40 50 60 Email service@boschrexroth.de Headquarters Bosch Rexroth AG Zum Eisengießer 1 97816 Lohr am Main Germany Phone +49 (0) 9352/40 30 20 Email my.support@boschrexroth.de The addresses of our sales and service network and sales organizations can be found at www.boschrexroth.com/adressen Bosch Rexroth AG, SED6..1X/...XN..., RE22049-XN-B/01.21...
  • Page 45 Certificates 45/48 17 Certificates 17.1 EU declaration of conformity according to ATEX Directive 2014/34/EU RE22049-XN-B/01.21, SED6..1X/...XN..., Bosch Rexroth AG...
  • Page 46 46/48 Certificates 17.2 Certificate according to technical rules EAC TR CU 012/2011 (excerpt) Bosch Rexroth AG, SED6..1X/...XN..., RE22049-XN-B/01.21...
  • Page 47 Fault table ▶ V ▶ I Valve subplate Improper use Valve use Installation conditions Intended use ▶ L Leakage List of addresses ▶ M Maintenance Maintenance schedule Manual override Modification ▶ O Obligations of the machine end-user Operation RE22049-XN-B/01.21, SED6..1X/...XN..., Bosch Rexroth AG...
  • Page 48 Bosch Rexroth AG Zum Eisengießer 1 97816 Lohr a. Main Germany Tel: +49 (0) 9352/40 30 20 my.support@boschrexroth.de www.boschrexroth.com Subject to change without notice Printed in Germany RE 22049-XN-B/01.21...

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