4/2 and 4/3 directional valves, internally pilot operated, externally pilot operated

Transcription

1 1/ / nd /3 directionl vlves, internlly pilot operted, externlly pilot operted RE 751-D-/0.1 Replces: ype H-WEH D... Sizes 10, 1, 5, 3 Component series,, 7 Mximum operting pressure 350 r Mximum flow 1100 l/min HD7 E units For explosive res rt II Dt sheet Informtion on the explosion protection: re of ppliction in ccordnce with the Explosion rotection Directive 9/9/EC: I M, II G ype of protection of the vlve solenoids: Ex d I M, Ex d IIC G EN :009 / EN :007 Specil fetures of sewter-resistnt vlves he externl metl prts re glvnized or treted with n nti-corrosion gent. he conditionl sewter resistnce is defined y the "SO39" ordering code. Wht you need to know out these operting instructions hese operting instructions pply to the explosion-proof version of Rexroth vlves nd consist of the following three prts: rt I Generl informtion rt II Dt sheet 751-D- Operting instructions 751-D-0 rt III roduct-specific instructions 751-D-3 ou cn find further informtion on the correct hndling of Rexroth hydrulic products in our puliction "Generl product informtion on hydrulic products" 0700.

2 / osch Rexroth G Hydrulics H-WEH D... RE 751-D- le of contents Contents ge Fetures Function, section 3 Ordering code nd scope of delivery spool symols ilot oil supply 9 echnicl dt 10 Electricl connection 13 Chrcteristic curves, performnce limits 15 Switching time djustment, pressure reducing vlve, prelod vlve 19 Device dimensions 0 Fetures Vlve to control the strt, stop nd direction of flow, for intended use in explosive res Electro-hydrulic ctution (WEH) For suplte mounting, porting pttern ccording to DIN 30- nd ISO 01, supltes ville in FE/ZN version (see pges 0 to 3) Spring centering, spring end position or hydrulic end position Wet-pin DC solenoids Mnul override Electricl connection s individul connection with cle glnd (see pge 13) Switching time djustment, optionl relod vlve in chnnel of the min vlve, optionl

3 RE 751-D- H-WEH D... Hydrulics osch Rexroth G 3/ Function, section ype H-WEH 1 D "" "" Directionl vlve type H-WEH he vlve type H-WEH is directionl spool vlve with electro-hydrulic ctution. It controls the strt, stop nd direction of flow. he directionl vlves siclly consist of the min vlve with housing (1), the min control spool (), one or two return springs (3.1) nd (3.), s well s the pilot control vlve () with one or two solenoids "" (5.1) nd/or "" (5.). he min control spool () in the min vlve is held in the zero or initil position y the springs or y mens of pressuriztion. In the initil position, the two spring chmers () nd () re connected with the tnk in depressurized form vi the pilot control vlve (). he pilot control vlve is supplied with pilot oil vi the control line (7). Supply cn e effected internlly or externlly (externlly vi port ). Upon ctution of the pilot control vlve, e.g. solenoid "", the pilot control spool (10) is moved to the left nd thus, the spring chmer () is pressurized with pilot pressure. he spring chmer () remins depressurized. he pilot pressure cts on the left side of the min control spool () nd moves it ginst the spring (3.1). his connects ports with nd with in the min vlve. When the solenoid is switched off, the pilot control spool returns into the initil position (except for impulse spool). he spring chmer () is unloded to the tnk. he pilot oil from the spring chmer is displced into chnnel vi the pilot control vlve. he pilot oil supply nd return cn e effected internlly or externlly. he mnul override (9) llows control spool (10) to e moved without solenoid energiztion.

4 / osch Rexroth G Hydrulics H-WEH D... RE 751-D- Ordering code nd scope of delivery H WEH D Up to 350 r = H -wy version = Directionl vlve, electro-hydruliclly ctuted = WEH Size Size 10 = 10 Size 1 = 1 Size 5 = 5 Size 3 = 3 spool return min vlve y mens of springs = no code Hydruliclly 1) = H spool symols, see pge Component series 0 to 9 size 10 = (0 to 9: Unchnged instlltion nd connection dimensions) Component series 0 to 9 size 5 (W.H 5.) nd size 3 = (0 to 9: Unchnged instlltion nd connection dimensions) Component series 70 to 79 size 1 = 7 (70 to 79: Unchnged instlltion nd connection dimensions) spool return in the pilot control vlve with spool positions nd solenoids only possile with control spool C, D, K, Z nd hydrulic control spool return in the min vlve Without spring return = O Without spring return with detent = OF ilot control vlve with wet-pin solenoids, high-power vlve (dt sheet 317-D-) = Direct voltge V = G Direct voltge 110 V = G110 With mnul override (stndrd) Explosion protection "ressure-resistnt enclosure" For detils see informtion on the explosion protection, pge 11 ilot oil supply externl, pilot oil return externl ) ilot oil supply internl, pilot oil return externl 3) ilot oil supply internl, pilot oil return internl 3) ilot oil supply externl, pilot oil return internl ) = N = D = no code = E = E = Included in the scope of delivery: Vlve operting instructions with declrtion of conformity in prt III Explntion of the foot notes, see pge 5

5 RE 751-D- H-WEH D... Hydrulics osch Rexroth G 5/ Ordering code nd scope of delivery Z Z = no code = S = S = Surfce protection SO39 = Conditionlly sewter-resistnt, glvnized no code = Stndrd no code = NR sels V = FKM sels (other sels upon request) Importnt Oserve comptiility of sels with hydrulic fluid used! no code = Without pressure reducing vlve D3 = With pressure reducing vlve ) relod vlve (not for size 10) no code = without prelod vlve,5 = With prelod vlve (p ö =.5 r) hrottle insert no code = Without throttle insert 0 = hrottle Ø 0. mm 10 = hrottle Ø 1.0 mm 1 = hrottle Ø 1. mm 15 = hrottle Ø 1.5 mm Electricl connection Solenoid with terminl ox nd cle glnd, for detils see chpter Electricl connection Without switching time djustment Switching time djustment s supply control Switching time djustment s dischrge control 1) spool positions (hydrulic end position): Only control spool C, D, K, Z, ) ilot oil supply or pilot oil return externl: - Oserve the mximum pilot pressure ccording to pge 10! 3) ilot oil supply internl (version "E" nd "E"): - Oserve the minimum pilot pressure ccording to pge 10! - In order to prevent indmissily high pressure peks, throttle insert "10" hs to e provided in the port of the pilot control vlve (see pge 9). - ou must moreover provide the pressure reducing vlve "D3". ) Only in connection with throttle insert "10"

6 / osch Rexroth G Hydrulics H-WEH D... RE 751-D- spool symols spool positions 3 spool positions../....h../....h../o..h../of = C = D = K = Z ) 0. = E 1) = F = G = H = J = L../....H../.. = M = = Q = = R = S ) = 1) Exmple: spool E with spool position "" Order exmple: H-WEH 1 E7/EGN9DESZ10..V.. ) spool S only for size 1 Other control spool vrints upon request = U = V = W

7 Hydrulics osch Rexroth G RE 751-D- H-WEH D... 7/ spool symols for vlves with spool positions Continution, see next pge Vlves with spring end position Vlves with hydrulic end position = externl = externl ype H-WEH.../... ype H-WEH..H.../... ype H-WEH..H.../O... ype H-WEH..H.../OF...,,,,,,,, = internl = externl ype H-WEH.../...E... ype H-WEH..H.../...E... ype H-WEH..H.../O...E... ype H-WEH..H.../OF...E...,,,,,,,,

8 / osch Rexroth G Hydrulics H-WEH D... RE 751-D- spool symols for vlves with spool positions Continution from previous pge Vlves with spring end position Vlves with hydrulic end position = internl = internl ype H-WEH.../...E... ype H-WEH..H.../...E... ype H-WEH..H.../O...E... ype H-WEH..H.../OF...E...,,,,,,,, = externl = internl ype H-WEH.../... ype H-WEH..H.../... ype H-WEH..H.../O... ype H-WEH..H.../OF...,,,,,,,,

9 RE 751-D- H-WEH D... Hydrulics osch Rexroth G 9/ spool symols for vlves with 3 spool positions ype H-WEH.../... Vlves with spring-centered zero position ype H-WEH.../...E... = externl = externl 0,, 0 = internl = internl 0,, 0 ype H-WEH.../...E... ype H-WEH.../... = internl = externl 0,, 0 = externl = internl 0,, 0 ilot oil supply ype H-WEH he pilot oil supply is effected externlly vi the chnnel from seprte circuit. he pilot oil return is effected externlly vi the chnnel into the tnk. ype H-WEH E he pilot oil supply is effected internlly from the chnnel of the min vlve. he pilot oil return is effected externlly vi the chnnel into the tnk. In the suplte, port is closed. ype H-WEH E he pilot oil supply is effected internlly from the chnnel of the min vlve. he pilot oil return is effected internlly vi the chnnel into the tnk. In the suplte, ports nd re closed. ype H-WEH he pilot oil supply is effected externlly vi the chnnel from seprte circuit. he pilot oil return is effected internlly vi the chnnel into the tnk. In the suplte, port is closed. hrottle insert Use of the throttle insert () is necessry if the pilot oil supply in the chnnel of the pilot control vlve (1) is to e limited. he throttle insert () is inserted in chnnel of the pilot control vlve (1). 1 ilot control vlve hrottle insert 3 Sel ring Min vlve 1 3

10 10/ osch Rexroth G Hydrulics H-WEH D... RE 751-D- echnicl dt generl Instlltion position ny; horizontl with vlves with hydrulic control spool return "H" nd control spool C, D, K, Z or mient temperture rnge C 0 +0 Storge temperture rnge C Sizes Size Weight Vlve with one solenoid kg Vlve with two solenoids, spring-centered kg Switching time djustment kg 0. ressure reducing vlve kg 0. Surfce protection Vlve ody ilot control vlve Glvniclly coted Min vlve Stndrd: inting, lyer thickness mx. 100 µm SO39: Glvniclly coted, Zn nd pssivted Solenoid Glvniclly coted hydrulic Sizes Size Mximum operting pressure orts,, r 350 ort with pilot oil return externl r 50 with pilot oil return internl r 10 ort with pilot oil return externl r 10 Flow of the min vlve l/min up to 10 up to 300 up to 50 up to 1100 Mximum pilot pressure r 50 (with higher pilot pressure, use of pressure reducing vlve is required) Minimum pilot pressure with pilot oil supply externl or internl (control spool D, K, E, J, L, M, Q, R, U, W) 3-spool position vlve, spring-centered r spool position vlve, spring end position r spool position vlve, hydrulic end position r with pilot oil supply internl (control spool C, F, H,,, V, Z, S 1) ) r.5 ).5 3).5 3).5 3) ilot volume for switching process 3-spool position vlve, spring-centered cm spool position vlve cm ilot volume for shortest switching time l/min pprox. 35 pprox. 35 pprox. 35 pprox. 5 Hydrulic fluid Minerl oil (HL, HL) ccording to DIN 515 ), fst iodegrdle hydrulic fluids ccording to VDM 5 (see lso dt sheet 901), HEG (rpe seed oil) ), HEG (polyglycols) 5), HEES (synthetic esters) 5), flme-resistnt hydrulic fluid HFC ccording to ISO 19 ), other hydrulic fluids on request ignition temperture > 10 C Continution nd foot notes, see pge 11

11 RE 751-D- H-WEH D... Hydrulics osch Rexroth G 11/ echnicl dt hydrulic (continued) Hydrulic fluid temperture rnge C (NR sels) (FKM sels) Viscosity rnge mm /s. 500 Mximum dmissile degree of contmintion of the hydrulic fluid, clenliness clss ccording to ISO 0 (c) Clss 0/1/15 7) electric Voltge type Direct voltge ville voltges V, 110 Voltge tolernce (nominl voltge) % ±10 dmissile residul ripple % < 5 Duty cycle / operting mode ccording to VDE 050 S1 (continuous opertion) Switching time ccording to ISO 03 See pge 1 Switching frequency 1/h up to Nominl power t mient temperture 0 C W 13 Mximum power with 1.1 x nominl voltge nd mient temperture 0 C W 15. rotection clss ccording to EN 059 I 5 with correctly instlled connection line Informtion on the explosion protection re of ppliction s per directive 9/9/EC I M, II G ype of protection Vlve c (EN 133-5:011) Mximum surfce temperture ) C 130 emperture clss ype of protection Vlve solenoid ccording to EN :009 / EN :007 ype exmintion certificte Solenoid "IEC Certificte of Conformity" Solenoid Specil conditions for sfe use mient temperture rnge C 0 +0 Ex d I M Ex d IIC G VS 03 E E 300 IECEx VS In cse of nk ssemly, only one solenoid of ll vlves my e energized t time. In cse of vlves with two solenoids, mximlly one of the solenoids my e energized t time. 1) spool S only for size 1 ) For control spools C, F, G, H,,, V, Z, n internl pilot oil supply without prelod vlve is only possile if the flow from in the centrl position (for 3-spool position vlve) or while crossing the centrl position (for -spool position vlve) is so lrge tht the pressure differentil of reches vlue of t lest.5 r. 3) For control spools C, F, G, H,,, V, Z, S 1) y mens of prelod vlve (not size 10) or correspondingly high flow. ) Suitle for NR nd FKM sels 5) Suitle only for FKM sels ) If HFC hydrulic fluid is used, the following prmeters hve to e complied with: ressure t,, mx. 10 r, t mx. 3 r (with E, E nd ) nd/or t mx. 10 r nd mx. 3 r mient temperture C Hydrulic fluid temperture mx. 55 C Duty cycle 0 % Only NR sels re dmissile. For more informtion, plese sk our sles stff. 7) he clenliness clsses specified for the components must e dhered to in hydrulic systems. Effective filtrtion prevents fults nd t the sme time increses the life cycle of the components. For the selection of the filters see ) Surfce temperture > 50 C, provide contct protection

12 1/ osch Rexroth G Hydrulics H-WEH D... RE 751-D- echnicl dt Switching times (= Contcting t the pilot control vlve until strt of opening of the control edge in the min vlve nd chnge in the control spool stroke y 95 %) ilot pressure r Spring ON OFF Size 10 without throttle insert ms with throttle insert ms Size 1 without throttle insert ms with throttle insert ms Size 5 without throttle insert ms with throttle insert ms Size 3 without throttle insert ms with throttle insert ms Importnt: he switching times re mesured ccording to ISO 03 with HL, ϑ oil = 0 C ± 5 C. With different oil tempertures, devitions re possile. he switching times increse y pprox. 30 ms if the pressure reducing vlve "D3" is used. he switching times hve een determined under idel conditions nd my differ in the system, depending on the ppliction conditions. Free flow cross-sections in zero position with control spools Q, V nd W spool Q, mm spool V, mm , mm spool W, mm

13 RE 751-D- H-WEH D... Hydrulics osch Rexroth G 13/ Electricl connection he type-exmintion tested vlve solenoid of the vlve is equipped with one terminl ox nd type-tested cle entry. he connection is polrity-independent. 1 Importnt When estlishing the electricl connection, the protective erthing conductor (E ) hs to e connected properly. 3 roperties of the connection terminls nd mounting elements Item Function Connectle line cross-section 1 Operting voltge connection Single-wire mx..5 mm Finely strnded mx..5 mm Connection for protective erthing conductor Single-wire mm Finely strnded mm 3 Connection for potentil equliztion conductor Single-wire mm Finely strnded min. mm Screws for cover Cle glnd Line dimeter mm 9 1 Seling Outer sheth seling Connection line Line type Non-rmored cles nd lines (outer sheth seling) emperture rnge C 0 > +110

14 1/ osch Rexroth G Hydrulics H-WEH D... RE 751-D- Electricl connection (continued) Circuit digrm Direct voltge, polrity-independent +( ) (+) Over-current fuse nd switch-off voltge pek Importnt fuse pproprite for the solenoid's rted current (mx. 3 x I rted ccording to DIN 1571 nd/or IEC 017) or protective motor switch with short-circuit nd therml instntneous tripping must e connected to ech vlve solenoid s short-circuit protection. he cut-off cpcity of this fuse must mtch or exceed the short-circuit current of the supply source. his fuse or motor protection switch my only e fitted outside the explosive re or must e of n explosion-proof design. When inductivities re switched off, voltge peks result which my cuse filures in the connected control electronics. For this reson, the vlve solenoids comprise suppression circuit which dmpens this voltge pek to the voltge vlue shown in the tle. Voltge dt in the vlve type code Nominl voltge Vlve solenoid Rted current Vlve solenoid Recommended pre-fuse chrcteristics medium time-lg ccording to DIN 1571 Mximum voltge vlue upon switch-off Suppression circuit G V DC 0.5 DC 30 m 90 V G V DC 0.11 DC 15 m 390 V Suppressor diode i-directionl

15 RE 751-D- H-WEH D... Hydrulics osch Rexroth G 15/ Chrcteristic curves: ype H-WEH 10 (mesured with HL, ϑ oil = 0 C ± 5 C) p - q V chrcteristic curves ressure differentil in r Flow in l/min Chrcteristic curve selection Spool position Zero position spool spool E,, D 5 F 1 1 F 3 G, G, 7 H, C 1 H J, K L 3 1 L 3 M Q, V, W, Z 3 5 R 3 U U erformnce limits: ype H-WEH 10 (mesured with HL, ϑ oil = 0 C ± 5 C) - nd 3-spool position vlves Mximum flow q V in l/min spool Operting pressure p mx in r E, J, L, M, Q, R, U, V, W, C, D, K, Z, H G, F, Importnt he specified switching power limits re vlid for opertion with two directions of flow (e. g. nd simultneous return flow ) in the rtio 1:1. Due to the flow forces cting within the vlves, the dmissile switching power limit my e considerly lower with only one direction of flow (e. g. while port is locked)! (In such cses, plese consult us!) he switching power limit ws estlished while the solenoids were t operting temperture, t 10 % undervoltge nd without tnk pre-loding.

16 1/ osch Rexroth G Hydrulics H-WEH D... RE 751-D- Chrcteristic curves: ype H-WEH 1 (mesured with HL, ϑ oil = 0 C ± 5 C) p - q V chrcteristic curves ressure differentil in r Chrcteristic curve selection Flow in l/min Spool position spool E,, D F G, H, C, Q, V, Z J, K, L Spool position spool M, W R U 3 5 S erformnce limits: ype H-WEH 1 (mesured with HL, ϑ oil = 0 C ± 5 C) -spool position vlve Mximum flows q V in l/min Operting pressure p mx in r spool externl, spring end position in the min vlve (with p St min = 1 r) C, D, K,, Z externl, spring end position in the min vlve 1) C D, K Z externl, hydrulic end position in the min vlve HC, HD, HK, HZ, H Importnt See lso "Importnt" pge 15 3-spool position vlve Mximum flows q V in l/min Operting pressure p mx in r spool externl, spring centering in the min vlve E, H, J, L, M, Q, U, W, R F, G, S V Importnt 1) If the specified flow vlues re exceeded, the function of the return spring is no longer gurnteed if the pilot pressure fils! With pilot oil supply internl, you must lwys use prelod vlve due to the negtive overlp of the control spools F, G, H,,, S, C nd HC. With control spools V, Z nd HZ, the prelod vlve is not required for flows > 10 l/min.

17 RE 751-D- H-WEH D... Hydrulics osch Rexroth G 17/ Chrcteristic curves: ype H-WEH 5 (mesured with HL, ϑ oil = 0 C ± 5 C) p - q V chrcteristic curves 7 spool G Centrl position spool Centrl position ressure differentil in r Chrcteristic curve selection Flow in l/min Spool position Spool position spool spool E F G 3 1 H 3 J, Q 3 5 erformnce limits: ype H-WEH 5 (mesured with HL, ϑ oil = 0 C ± 5 C) -spool position vlve Mximum flows q V in l/min Operting pressure p mx in r spool externl, spring end position in the min vlve (with p St min = 13 r) C, D, K,, Z externl, spring end position in the min vlve 1) C D, K Z externl, hydrulic end position in the min vlve HC, HD, HK, HZ, H HC../O.. HD../O.. HK../O.. HZ../O HC../OF.. HD../OF.. HK../OF.. HZ../OF.. Importnt See lso "Importnt" pge control spool R L 3 3 M R 1 1 spool Spool position U 1 1 V 3 W spool position vlve Mximum flows q V in l/min Operting pressure p mx in r spool externl, spring centering in the min vlve E, L, M, Q, U, W, G, F H J V R Importnt 1) If the specified flow vlues re exceeded, the function of the return spring is no longer gurnteed if the pilot pressure fils! With pilot oil supply internl, prelod vlve hs to e used for flows < 10 l/min due to the negtive overlp of the control spools Z, HZ nd V. With pilot oil supply internl, you must lwys use prelod vlve due to the negtive overlp of the control spools C, HC, F, G, H, nd.

18 1/ osch Rexroth G Hydrulics H-WEH D... RE 751-D- Chrcteristic curves: ype H-WEH 3 (mesured with HL, ϑ oil = 0 C ± 5 C) ressure differentil in r 1 p - q V chrcteristic curves spools E, R nd W Flow in l/min ressure differentil in r p - q V chrcteristic curves spools G nd Flow in l/min ressure differentil in r p - q V chrcteristic curves ll remining control spools Flow in l/min Spool position spool E 3 R 3 1 W 3 Spool position spool G erformnce limits: ype H-WEH 3 (mesured with HL, ϑ oil = 0 C ± 5 C) -spool position vlve Mximum flows q V in l/min Operting pressure p mx in r spool externl, spring end position in the min vlve (with p St min = 10 r) C, D, K,, Z externl, spring end position in the min vlve 1) C D, K Z externl, hydrulic end position in the min vlve HC, HD, HK, HZ, H Importnt See lso "Importnt" pge 15 3-spool position vlve Mximum flows q V in l/min Operting pressure p mx in r spool externl, spring centering in the min vlve E, J, L, M, Q, U, W, R G,, H, F, V Importnt 1) If the specified flow vlues re exceeded, the function of the return spring is no longer gurnteed if the pilot pressure fils! With pilot oil supply internl, prelod vlve hs to e used for flows < 10 l/min due to the negtive overlp of the control spools Z, HZ nd V. With pilot oil supply internl, you must lwys use prelod vlve due to the negtive overlp of the control spools C, HC, F, G, H, nd.

19 RE 751-D- H-WEH D... Hydrulics osch Rexroth G 19/ Switching time djustment, pressure reducing vlve, prelod vlve Switching time djustment "S/S" he switching time of the min vlve (1) is influenced y using twin throttle check vlve (), type ZFS. Symol (3) shows the switching time djustment "S" (supply control), symol () shows the switching time djustment "S" (dischrge control) ype H-WEH 10../ S or S 3 1 ressure reducing vlve "D3" With the design internl pilot oil supply (E or E) or externl pilot oil supply nd pilot pressure of more thn 50 r, the vlve must e ordered with pressure reducing vlve (3), type ZDRO, nd throttle insert "10". Ordering code: "10..D3" ype H-WEH 10../ /..D3 3 relod vlve ",5" (not for size 10) In cse of vlves with depressurized circultion nd internl pilot oil supply, prelod vlve is necessry in the chnnel of the min vlve in order to uild up the minimum pilot pressure. Ordering code: ",5" he pressure differentil of the prelod vlve is to e dded to the pressure differentil of the min vlve (see chrcteristic curves) to result in one totl vlue. he crcking pressure mounts to pprox..5 r. p q V chrcteristic curve (mesured with HL, ϑ Oil = 0 C ± 5 C) ressure differentil in r Flow in l/min 1 = Size 1 = Size 5 3 = Size 3

20 0/ osch Rexroth G Hydrulics H-WEH D... RE 751-D- Device dimensions: ype H-WEH 10 (dimensions in mm) "" "" ,01/ Rzmx 9 5, ,5 Required surfce qulity of the vlve contct surfce 3 Ø, Ø , F1 F 1 F F Supltes without ports, with ports, G 53/01 FE/ZN (G3/) G 535/01 FE/ZN (G3/) G 53/01 FE/ZN (G1) with dimensions s in the dt sheet 505 (must e ordered seprtely) Vlve mounting screws For resons of stility, exclusively use the following vlve mounting screws: hexgon socket hed cp screws ISO 7-Mx flZn-0h-L (friction coefficient totl: ccording to VD ) (must e ordered seprtely) Item explntions nd informtion on the supltes, see pge

21 RE 751-D- H-WEH D... Hydrulics osch Rexroth G 1/ Device dimensions: ype H-WEH 1 (dimensions in mm) "" "" ,01/100 Rzmx ,1 1 Ø11 Ø, Ø1 Ø , Required surfce qulity of the vlve contct surfce , 1, 35 9,9 1 F1 F G F5 1 F G1 F F3 9 Supltes G 17/01 FE/ZN (G3/) G 17/0 FE/ZN (M7 x ) G 17/01 FE/ZN (G1) G 17/0 FE/ZN (M33 x ) G 17/0 FE/ZN (flnge) with dimensions s in the dt sheet 505 (must e ordered seprtely) Item explntions nd informtion on the supltes, see pge Vlve mounting screws For resons of stility, exclusively use the following vlve mounting screws: hexgon socket hed cp screws ISO 7-M10x flZn-0h-L (friction coefficient totl: ccording to VD ) hexgon socket hed cp screws ISO 7-Mx flZn-0h-L (friction coefficient totl: ccording to VD ) (must e ordered seprtely)

22 / osch Rexroth G Hydrulics H-WEH D... RE 751-D- Device dimensions: ype H-WEH 5 (dimensions in mm) "" "" ,01/100 1 Rzmx ,5 9 Required surfce qulity of the vlve contct surfce 1 99, Ø0 Ø F1 F G F5 195 G7 F F F3 10 Supltes G 151/01 FE/ZN (G1) G 15/01 FE/ZN (G1 1/) G 15/0 FE/ZN (flnge) G 15/01 FE/ZN (G1 1/) with dimensions s in the dt sheet 505 (must e ordered seprtely) Item explntions nd informtion on the supltes, see pge Vlve mounting screws For resons of stility, exclusively use the following vlve mounting screws: hexgon socket hed cp screws ISO 7-M1x flZn-0h-L (friction coefficient totl: ccording to VD ) (must e ordered seprtely)

23 RE 751-D- H-WEH D... Hydrulics osch Rexroth G 3/ Device dimensions: ype H-WEH 3 (dimensions in mm) "" "" ,01/100 9 Rzmx 1 1,5 75,5 10,5,5,5,5 9 Required surfce qulity of the vlve contct surfce 75,5 315, Ø Ø19 Ø 0,5 F1 F5 G1 F ,5 00 F G F F3 11, ,5 Supltes G 157/01 FE/ZN (G1 1/) G 157/0 FE/ZN (M x ) G 15/10 FE/ZN (flnge) with dimensions s in the dt sheet 500 (must e ordered seprtely) Item explntions nd informtion on the supltes, see pge Vlve mounting screws For resons of stility, exclusively use the following vlve mounting screws: hexgon socket hed cp screws ISO 7-M0x flZn-0h-L (friction coefficient totl: ccording to VD ) (must e ordered seprtely)

24 / osch Rexroth G Hydrulics H-WEH D... RE 751-D- Device dimensions: Item explntions nd notice Item explntions regrding the device dimensions on pges 0 to 3 1 Min vlve ilot control vlve type WE E ccording to technicl dt sheet 317-E-.1 ilot control vlve type WE D (1 solenoid "") For min vlves with spools C, D, K, Z spool HC, HD, HK, HZ ilot control vlve type WE J... (1 solenoid "") For min vlves with control spools E, F, etc., spring return. ilot control vlve type WE... (1 solenoid "") For min vlves with spool spool H ilot control vlve type WE J... (1 solenoid "") For min vlves with control spools E, F, etc., spring return.3 ilot control vlve type WE J ( solenoids) For min vlves with 3 spool positions, spring-centered 3.1 Vlve solenoid "" 3. Vlve solenoid "" Switching time djustment, optionl 5 ressure reducing vlve, optionl rocessed vlve contct surfce orting pttern ccording to: DIN nd ISO for size 10 DIN 30-1 nd ISO for size 1 DIN 30-5 nd ISO for size 5 DIN 30-3 nd ISO for size 3 7 Nme plte for the pilot control vlve Nme plte for the complete vlve 9 R-rings/O-rings 10 -spool position vlves with spring end position in the min vlve (C, D, K, Z) 11 -spool position vlves with spring end position in the min vlve () 1 3-spool position vlves, spring-centered -spool position vlves with hydrulic end position in the min vlve 13 erminl ox 1 Locking pin 15 Mnul override "N" Importnt: Supltes re no components in the sense of directive 9/9/EC nd cn e used fter the mnufcturer of the overll system hs ssessed the risk of ignition. he G...FE/ZN versions re free from luminum nd/or mgnesium nd glvnized. osch Rexroth G Hydrulics Zum Eisengießer Lohr m Min, Germny hone +9 (0) 93 5 / 1-0 documenttion@oschrexroth.de his document, s well s the dt, specifictions nd other informtion set forth in it, re the exclusive property of osch Rexroth G. It my not e reproduced or given to third prties without its consent. he dt specified ove only serve to descrie the product. No sttements concerning certin condition or suitility for certin ppliction cn e derived from our informtion. he informtion given does not relese the user from the oligtion of own judgment nd verifiction. It must e rememered tht our products re suject to nturl process of wer nd ging.