Bosch Rexroth M SED 6 VE1 Series Скачать руководство пользователя страница 39 | Manualshive

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Содержание Rexroth M SED 6 VE1 Series

Страница 1: ...Explosion proof hydraulic valves Type M SED 6 VE1 Operating instructions RE 22049 VE1 B0 12 17 Replaces 04 13 Material Number R901489373 ...

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Страница 3: ...ANSI ISA 60079 7 ANSI ISA 60079 18 For explosive areas Part I Data sheet What you need to know about these operating instructions These operating instructions apply to the explosion proof version of Rexroth valves and consist of the following two parts Part I Data sheet 22049 VE1 B1 Part II Product specific instructions 22049 VE1 B2 You can find further information on the correct handling of Rexro...

Страница 4: ... limits 10 Characteristic curves 11 Dimensions 12 Installation conditions 16 Features Direct operated directional seat valve with solenoid actua tion for use in explosive atmospheres Porting pattern according to ISO 4401 03 02 0 05 Subplates available in FE ZN version see pages 12 to 15 Blocked leak tight connection Safe switching even with longer standstill periods un der pressure Wet pin DC sole...

Страница 5: ...R seals V FKM seals Notice Observe compatibility of seals with hydraulic fluid used no code Without check valve insert Without throttle insert P With check valve insert B12 Throttle Ø 1 2 mm B15 Throttle Ø 1 5 mm B18 Throttle Ø 1 8 mm B10 Throttle Ø 2 0 mm B12 Throttle Ø 2 2 mm Electrical connection Z2 Solenoid with terminal box and cable gland For details see chapter Electrical connection VE1 Exp...

Страница 6: ...e initial position of the valve normally open UK or nor mally closed CK is determined by the arrangement of the spring 5 The chamber 3 behind the control spool 4 is connected to port P and sealed against port T Thus the valve is pressure compensated in relation to the actuating forces solenoid and spring By means of the control spool 4 the ports P A and T can be loaded with the maximum operating p...

Страница 7: ...e seat 10 Now P is connected to B and A to T Transition position When the main valve is operated the control spool 4 is shifted against the spring 5 and pressed onto the seat 7 Thereby port T is blocked P A and B are briefly connected to each other Spool position P is connected to A As the pump pressure acts via A on the large area of the control spool 8 the ball 9 is pressed onto the seat 12 Thus...

Страница 8: ...on Any Ambient temperature range C 20 60 Storage temperature range C 15 30 Admissible vibration load 20 2000 Hz amplitude 0 05 g2 Hz 10 g RMS Weight 3 2 directional seat valve kg 3 1 4 2 directional seat valve kg 3 9 Surface protection Galvanic coating hydraulics Maximum operating pressure bar See table on page 10 Maximum flow l min 25 Hydraulic fluid Mineral oil HL HLP according to DIN 51524 1 Ra...

Страница 9: ...operation Switching time according to ISO 6403 See table below Switching frequency 1 h up to 15000 Nominal power at ambient temperature 20 C W 17 Maximum power with 1 1 x nominal voltage and ambi ent temperature 20 C W 20 6 Protection class according to NEMA 250 NEMA TYPE 4 1 1 If the electrical connection is correctly installed Area of application according to NEC 505 Class I Zone 1 Maximum surfa...

Страница 10: ...rties of the connection terminals and mounting elements Item Function Connectable line cross section 1 Operating voltage connection Single wire 0 75 2 5 mm2 Finely stranded 0 75 1 5 mm2 2 Connection for protective earthing conductor Single wire max 2 5 mm2 Finely stranded max 1 5 mm2 3 Connection for potential equalization conductor Single wire 6 mm2 Finely stranded 4 mm2 4 Screws for cover 5 Plug...

Страница 11: ...on circuit which dampens this voltage peak to the voltage value shown in the table Prescribed external miniature fuses according to IEC 60127 Voltage data in the valve type code Nominal voltage valve solenoid Rated current valve solenoid Rated current fuse Rated voltage fuse Maximum voltage value upon switch off Suppression circuit G24 24 V DC 0 708 A DC 800 mA 250 V 90 V Bi directional suppressor...

Страница 12: ... pre loading General information Seat valves can be used according to the control spool sym bols and the related operating pressures and flows see per formance limits below In order to guarantee safe functioning the following points must imperatively be observed Seat valves have negative spool overlap i e leakage oil occurs during the switching process However this process takes place within such ...

Страница 13: ...8 12 10 20 24 25 350 300 200 250 150 100 50 0 4 8 12 16 20 24 25 B22 B20 B18 B15 B12 Pressure differential in bar Pressure differential in bar Pressure differential in bar Flow in l min Flow in l min Flow in l min p qV characteristic curves 3 2 directional seat valve p qV characteristic curves 4 2 directional seat valve p qV characteristic curves Check valve insert p qV characteristic curves Throt...

Страница 14: ...terbore Valve mounting screws For reasons of stability exclusively use the following valve mounting screws 4 hexagon socket head cap screws ISO 4762 M5x50 10 9 flZn 240h L friction coefficient 0 09 0 14 according to VDA 235 101 have to be ordered separately Subplates G 341 01 FE ZN G1 4 G 342 01 FE ZN G3 8 G 502 01 FE ZN G1 2 with dimensions as in the data sheet 45052 have to be ordered separately...

Страница 15: ...ng pattern according to DIN 24340 A6 9 Port B is designed as blind counterbore Valve mounting screws For reasons of stability exclusively use the following valve mounting screws 4 hexagon socket head cap screws ISO 4762 M5x50 10 9 flZn 240h L friction coefficient 0 09 0 14 according to VDA 235 101 have to be ordered separately Subplates G 341 01 FE ZN G1 4 G 342 01 FE ZN G3 8 G 502 01 FE ZN G1 2 w...

Страница 16: ...alve mounting screws For reasons of stability exclusively use the following valve mounting screws 4 hexagon socket head cap screws ISO 4762 M5x95 10 9 flZn 240h L friction coefficient 0 09 0 14 according to VDA 235 101 included in the scope of delivery Subplates G 341 01 FE ZN G1 4 G 342 01 FE ZN G3 8 G 502 01 FE ZN G1 2 with dimensions as in the data sheet 45052 have to be ordered separately Impo...

Страница 17: ...e plate 8 Porting pattern according to DIN 24340 A6 9 Plus 1 plate 10 Valve mounting screws For reasons of stability exclusively use the following valve mounting screws 4 hexagon socket head cap screws ISO 4762 M5x95 10 9 flZn 240h L friction coefficient 0 09 0 14 according to VDA 235 101 included in the scope of delivery Subplates G 341 01 FE ZN G1 4 G 342 01 FE ZN G3 8 G 502 01 FE ZN G1 2 with d...

Страница 18: ...y for a certain applica tion can be derived from our information The information given does not release the user from the obligation of own judgment and verification It must be remembered that our products are subject to a natural process of wear and aging 16 16 Bosch Rexroth AG Hydraulics M SED 6 VE1 RA 22049 VE1 B1 Installation conditions dimensions in mm Individual assembly Bank assembly Subpla...

Страница 19: ...What you need to know about these operating instructions These operating instructions apply to the explosion proof version of Rexroth valves and consist of the following two parts Part I Data sheet 22049 VE1 B1 Part II Product specific instructions 22049 VE1 B2 You can find further information on the correct handling of Rexroth hydraulic products in our publication General product infor mation on ...

Страница 20: ...late and the valve solenoid 8 5 2 Special residual risks and protective measures 10 6 Assembly and initial commissioning 12 6 1 Safety instructions for assembly and initial commissioning 12 6 2 Rotating the solenoid coil by 90 12 6 3 Installation 12 6 4 Establishing the electrical connection 13 6 5 Initial commissioning re commissioning 14 7 Disassembly 14 8 Operation 15 8 1 Operating the optional...

Страница 21: ...ta sheet of the manufacturer is available and all measures prescribed therein have been realized If leakage at the valve can lead to water or soil contamina tion the valve must be put into a suitable collecting pan The machine end user is responsible for The valve only being used according to the intended use as defined in these operating instructions The valve only being used in such a way that t...

Страница 22: ...ust always be supervised by a Qualified Registered Professional Engineer Works on the electronic equipment may only be carried out according to the electrical regulations by an authorized electrician or an instructed person who is supervised by an authorized electrician 3 3 Copyright Without the express prior written approval of Bosch Rexroth AG these operating instructions may not be copied elect...

Страница 23: ...ectric shock Loss of explosion protection Work on electric components only when they are de energized De energize electrical connections prior to installation and disassembly Any work requiring the disassembly of prod uct components may only be carried out in the scope specified in this part Failure due to excessive moisture as a result of cleaning with a high pressure washer Protect the valve fro...

Страница 24: ...y be modified in the scope specified in this part Any safeguards fitted by Bosch Rexroth AG have to be pres ent properly installed and fully functional unless this is not appropriate for setup or maintenance operation Their posi tion must not be changed they must not be circumvented or made ineffective Persons under the influence of alcohol other drugs or phar maceuticals that may affect their abi...

Страница 25: ...onditions Zone 1 Areas where dangerous concentrations of flammable gases fumes or vapors are occa sionally present under normal operating conditions Zone 2 Areas where dangerous concentrations of flammable gases fumes or vapors are rarely present or present for short periods under normal operating conditions Class I Groups NEC 505 7 CEC J18 050 IIC acetylene hydrogen IIB ethylene IIA propane Class...

Страница 26: ...omplete valve e g M 3SEDUK1X 350CG24VE1Z2 P 4 Serial number of the valve e g SN 0002111 5 Manufacturer s factory number e g Ro 10 6 Date of manufacture year and week e g FD 03W01 7 Maximum operating pressure pmax 350 bar 8 Ambient temperature range 20 C Ta 60 C 9 Hydraulic symbol according to ISO 1219 Graphic 10 Designation of origin Made in Romania 11 Name and address of the manufacturer BOSCH RE...

Страница 27: ...rmany 3 Explosion protection mark 4 Internal identification number e g EX 1516 000 USA 5 Nominal voltage e g 24 VDC 6 Rated current e g 0 155 A 7 Customer material number e g R901346916 8 Mark for protection class according to NEC 505 Class I Zone 1 AEx e mb IIC T4 Gb 9 FM certificate no 3044741 10 Admissible ambient temperature range 20 C Ta 60 C 11 Electric characteristic values Duty cycle accor...

Страница 28: ...m distance when installing several valves in a valve battery Observe the specified minimum dimensions and minimum heat con ductivity of the valve subplate Make sure that the heat dissipation of the valve is not impeded See 5 2 1 Requirements on the valve subplate Observe the special conditions for safe use in the Data sheet Valve solenoid Risk of burning from hot surfaces Provide for a suitable to...

Страница 29: ...at the valve body but rather in port P of the Plus 1 plate If a check valve insert is to be used with a 4 2 directional seat valve with Plus 1 plate it doesn t have to be inserted in port P at the valve body but rather in port P of the Plus 1 plate In order to switch the valve safely and or to keep it in its spool position the conditions T P 40 bar T A 40 bar and or T B 40 bar regarding pressure i...

Страница 30: ...ighten the mounting nut of the valve solenoid hexagon nut wrench size 32 Tightening torque 4 1 Nm 6 3 Installation WARNING Risk of explosion Check whether the explosion protection marks on the name plate of the valve match the information in these operating instructions Check whether the correct valve type is used based on the type designation on the name plate of the valve based on the informatio...

Страница 31: ...e of the valve casing surface is 125 C This has to be considered when selecting the connection cables and or contact of the connection cable with the casing surface is to be prevented Connect the protective earthing conductor and the earthing properly Avoid sharp bends in connection lines and litz wires to prevent short circuits and interruptions When using a finely stranded conductor equip it wit...

Страница 32: ...ating instructions of the device and or sys tem into which the valve is installed 1 Switch the valve several times under operating pres sure before placing it into full operation This will press out any remaining air from the valve Thus mechanical damage being caused by inadmissibly high acceleration of the fluid and the control spool is avoided and the life cycle of the valve is extended IMPORTAN...

Страница 33: ... exceed 50 bar Above this pressure value the required actuating force is too large and there is a risk of injury if the tool slips DANGER Only operate the manual override if it is ensured that this will not trigger any dangerous working movement of the connected actuator CAUTION Do not use sharp edged tools to operate the man ual override There is a risk of damaging sealing surfaces at the valve s...

Страница 34: ...e date of manufacture of the valve The date of manufacture of the valve can be seen from the name plate see 5 1 Information on the name plate and the valve solenoid IMPORTANT The check is also to be carried out if the valve is only stored however not used For ordering details for seal kits please refer to 11 3 Avail able spare parts 1 De energize the connection line 2 Remove coarse dirt from the e...

Страница 35: ...have to be rectified by special ists of the manufacturer 11 2 1 Repairing leakage at the valve connection surface 1 Remove the valve see 7 Disassembly 2 Check the seal ring recesses on the valve connection surface for cleanliness and damage 3 Fit the new seals 11 3 Available spare parts NBR seal kit for the valve connection surface mat no R900075699 FKM seal kit for the valve connection surface ma...

Страница 36: ...ion coefficient 0 09 0 14 according to VDA 235 101 Mat no R913000223 Subplates with dimensions for valves with porting pattern according to ISO 4401 refer to Data sheet 45100 Throttle inserts Throttle Ø 1 2 mm mat no R900542133 Throttle Ø 1 5 mm mat no R900542134 Throttle Ø 1 8 mm mat no R900542128 Throttle Ø 2 0 mm mat no R900542129 Throttle Ø 2 2 mm mat no R900542157 Check valve insert Mat no R9...

Страница 37: ...19 20 RA 22049 VE1 B2 M SED 6 VE1 Hydraulics Bosch Rexroth AG ...

Страница 38: ...t are the exclusive property of Bosch Rexroth AG It may not be reproduced or given to third parties without its consent The data specified above only serve to describe the product No state ments concerning a certain condition or suitability for a certain applica tion can be derived from our information The information given does not release the user from the obligation of own judgment and verifica...

Страница 39: ......

Страница 40: ...Printed in Germany RE 22049 VE1 B0 12 17 Bosch Rexroth AG Hydraulics Zum Eisengießer 1 97816 Lohr Germany info boschrexroth de www boschrexroth com ...

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