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Proportional pressure relief
valve direct operated
(Area of application according to the explosion protection
Directive 2014/34/EU:II 2G; II 2D)
Type DBET.../...XE
(IECEx Konformitätsbescheinigung
(IECEx certificate of conformity of
des Ventilmagneten)
the valve solenoid)
Operating instructions
RE29162-XE-B/10.20
Replaces: 07.19
Document no.: RA78491199_AB
German
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Summary of Contents for Bosch Rexroth DBET
- Page 1 Proportional pressure relief valve direct operated (Area of application according to the explosion protection Directive 2014/34/EU:II 2G; II 2D) Type DBET.../...XE Replaces: 07.19 Operating instructions Document no.: RA78491199_AB (IECEx Konformitätsbescheinigung (IECEx certificate of conformity of RE29162-XE-B/10.20 German des Ventilmagneten) the valve solenoid)
- 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.
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Page 5: Table Of Contents
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 12.5 Recycling RE29162-XE-B/10.20, DBET.../...XE, Bosch Rexroth AG... - Page 6 6/48 Extension and modification Troubleshooting 14.1 How to proceed for troubleshooting Technical data Appendix 16.1 List of addresses Declaration of conformity Index Bosch Rexroth AG, DBET.../...XE, RE29162-XE-B/10.20...
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Page 7: About This Documentation
Refer to chapter 17 1.3 Representation of information Uniform safety instructions, symbols, terms and abbreviations are used to ensure quick and safe working with the product using this documentation. For a better understanding, they are explained in the following sections. RE29162-XE-B/10.20, DBET.../...XE, Bosch Rexroth AG... - Page 8 Table 3: Meaning of the symbols Symbol Meaning If this information is not observed, the product cannot be used and/or operated optimally. ▶ Individual, independent action Numbered instruction: The numbers indicate that the actions must be carried out one after the other. Bosch Rexroth AG, DBET.../...XE, RE29162-XE-B/10.20...
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Page 9: Safety Instructions
Read this documentation completely and thoroughly before working with the product. ▶ Keep this documentation in a location where it is accessible to all users at all times. ▶ Always include the required documentation when you pass the product on to third parties. RE29162-XE-B/10.20, DBET.../...XE, Bosch Rexroth AG... -
Page 10: Intended Use
Changes and/or modification at the valve are not admissible, see 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, DBET.../...XE, RE29162-XE-B/10.20... -
Page 11: Qualification Of Personnel
• Understanding of the additional importance of work authorization systems and safe electrical isolation with regards to explosion protection Bosch Rexroth offers measures supporting training in specific fields. Please find an overview of the training contents on the Internet at: http://www.boschrexroth.de/didactic... -
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. RE29162-XE-B/10.20, DBET.../...XE, 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. ▶ Regularly check the surface protection on the valve and the valve mounting screws. Bosch Rexroth AG, DBET.../...XE, RE29162-XE-B/10.20...
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Page 15: Notes On The Valve Use
The control electronics must comply with the requirements of the Explosion Protection Directive 2014/34/EU. 2.8 Personal protective equipment The machine end-user must provide the personal protective equipment (such as gloves, working shoes, safety goggles, working clothes, etc...). RE29162-XE-B/10.20, DBET.../...XE, Bosch Rexroth AG... -
Page 16: Obligations Of The Machine End-User
The machine end-user is obligated to check in the order confirmation whether the delivered valve corresponds to the required category and associated zone. 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 17: General Information On Damage To Property And Damage To 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. RE29162-XE-B/10.20, DBET.../...XE, Bosch Rexroth AG... -
Page 18: 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 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". -
Page 19: Product Identification
Mark according to the ATEX Directive 2014/34/EU and mark for the type of protection of the mechanical part according to EN 80079-37 Additional mark according to the ATEX Directive 2014/34/EU and mark for the type of protection of the mechanical part according to EN 80079-37 Rexroth QR code Customer's serial number RE29162-XE-B/10.20, DBET.../...XE, Bosch Rexroth AG... - Page 20 Electrical characteristic values: Resistance, rated current and capacity limit Explosion protection mark CE mark and identification number of the notified body Admissible operating temperature range Under the name plate: Connection line with a temperature resistance of ≧ 115 °C Bosch Rexroth AG, DBET.../...XE, RE29162-XE-B/10.20...
- Page 21 Corresponds to zone 21 according to Directive 1999/92/EC. High safety level. Potentially explosive atmospheres where an explosive atmosphere due to stirred dust (= device group II) is normally not present or occurs only rarely or short-time. Corresponds to zone 22 according to Directive 1999/92/EC. Normal safety level. RE29162-XE-B/10.20, DBET.../...XE, Bosch Rexroth AG...
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Page 22: Transport And Storage
Danger of cut injuries! ▶ Wear suitable protective equipment for the transport of the valve. Further 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/addresses... - Page 23 12 months After expiry of the maximum storage time, we recommend having the valve checked by your competent 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". Following disassembly If a dismounted valve is to be stored, it has to be preserved for protection against...
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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 29162-XE". Bosch Rexroth AG, DBET.../...XE, RE29162-XE-B/10.20... -
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 You only require standard tools to assemble the valve. RE29162-XE-B/10.20, DBET.../...XE, 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 reasons of stability only use the valve mounting screws listed in "Data sheet 29162-XE". - Page 27 Check the seal rings at the valve connection surface for completeness. Other sealants are not admissible. Check whether the pressure connecting line is connected with P and the return line with T at the subplate. Swapping P and T may cause damage at the valve when pressurized. RE29162-XE-B/10.20, DBET.../...XE, Bosch Rexroth AG...
- Page 28 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. Bosch Rexroth AG, DBET.../...XE, RE29162-XE-B/10.20...
- Page 29 Always observe country-specific regulations. Danger of short circuit caused by missing seals and caps! Fluids may enter the valve and cause a short-circuit. ▶ Before commissioning, ensure that all seals and caps of the plug-in connections are leak-proof. RE29162-XE-B/10.20, DBET.../...XE, Bosch Rexroth AG...
- Page 30 Connect the protective grounding conductor and the grounding properly. The following applies to all valve solenoids: Connection of the valve solenoid is polarity-independent. Solenoid coils for connection to alternating voltage have a bridge rectifier which is integrated in the solenoid coil. Bosch Rexroth AG, DBET.../...XE, RE29162-XE-B/10.20...
- Page 31 (1) on the screw-in section (6). Tighten the clamping screw (hexagon SW 22) applying a tightening torque of 10 ±1 Nm When tightening the clamping screw (1), the screw-in section (6) must be held in place with an open-end wrench RE29162-XE-B/10.20, DBET.../...XE, Bosch Rexroth AG...
- Page 32 Connection for protective grounding conductor 1.0...1.2 Nm Connection for potential equalization conductor 3.5...4.5 Nm Assemble the cover with the sealing device underneath. Tighten the mounting screws diagonally, one after the other. Tightening torque of the cover screws: 1...1.5 Nm. Connect external equipotential bonding. Bosch Rexroth AG, DBET.../...XE, RE29162-XE-B/10.20...
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Page 33: Commissioning
▶ Seals are subject to a natural process of aging and, for this reason, are to be checked for damage every time the terminal box is opened and replaced if required. RE29162-XE-B/10.20, DBET.../...XE, Bosch Rexroth AG... -
Page 34: Operation
An unfavorable arrangement of valves results in resonance or fluid noises, such as whistling. In continuous operation, these noises may cause hearing damage in persons or damage at the valves. ▶ In this case, contact a service engineer. Bosch Rexroth AG, DBET.../...XE, RE29162-XE-B/10.20... -
Page 35: Maintenance And Repair
▶ Remove dust and dirt accumulations on the valve at regular intervals. Observe the max. admissible dust layer thickness. ▶ Only clean the valve using a damp, non-linting cloth. Only use water and, if necessary, a mild cleaning agent. RE29162-XE-B/10.20, DBET.../...XE, Bosch Rexroth AG... -
Page 36: Inspection And Maintenance
In case of visible corrosion, remove the valve and have it repaired. Check the internal lines and braided wires of the valve solenoid for visible damage. In case of visible damage, remove the valve and have it repaired. Check all screws and connections for tight seat. Bosch Rexroth AG, DBET.../...XE, RE29162-XE-B/10.20... -
Page 37: Maintenance Schedule
Tightening torque of the cover screws: 1...1.5 Nm. 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 38: Spare Parts
In case of questions about spare parts, please contact your responsible 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 Bosch Rexroth AG, DBET.../...XE, RE29162-XE-B/10.20... -
Page 39: Disassembly And Removal
Close the hydraulic channels of the subplate (on the customer side) to avoid contamination. If the valve is exchanged, all further steps are analogous to mounting, see chapter 7 "Assembly". RE29162-XE-B/10.20, DBET.../...XE, Bosch Rexroth AG... -
Page 40: Disposal
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. 12.4 Materials used Hydraulic components from Bosch Rexroth do not contain any hazardous materials that could be released during intended use. -
Page 41: Recycling
(machine/system, electrical systems, control) or at the valve? If so: What were they? – Was the valve and/or the machine used as intended? – How did the fault become apparent? ▶ Try to get a clear idea of the cause of error. Ask the direct (machine) operator. RE29162-XE-B/10.20, DBET.../...XE, Bosch Rexroth AG... - Page 42 Following faults due to contamination, in addition to the repair, it is essential to check the oil quality and improve it, if necessary, by suitable measures such as flushing or the additional installation of filters. 15 Technical data For the technical data of your valve please refer to "Data sheet 29162-XE". Bosch Rexroth AG, DBET.../...XE, RE29162-XE-B/10.20...
- Page 43 +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/addresses RE29162-XE-B/10.20, DBET.../...XE, Bosch Rexroth AG...
- Page 44 44/48 Declaration of conformity 17 Declaration of conformity Bosch Rexroth AG, DBET.../...XE, RE29162-XE-B/10.20...
- Page 45 Troubleshooting General safety instructions ▶ U ▶ I Unpacking Improper use Information ▶ V Inspection Validity of the documentation Installation conditions Valve subplate Intended use Valve use ▶ L List of addresses ▶ M Maintenance Maintenance schedule RE29162-XE-B/10.20, DBET.../...XE, Bosch Rexroth AG...
- Page 46 46/48 Declaration of conformity Bosch Rexroth AG, DBET.../...XE, RE29162-XE-B/10.20...
- Page 47 Declaration of conformity 47/48 RE29162-XE-B/10.20, DBET.../...XE, 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 RE29162-XE-B/10.20...