unit dimensions 11 [inch] 4/3, 4/2 and 3/2 directional

1/124/3, 4/2 and 3/2 directional valve with mechanical, manual actuation

Type WMR, WMU, WMM, WMD(A) and WMRZ

RE 22280/04.10Replaces: 10.07

Table of contents Features

– Direct operated directional seat valve– Actuating elements: •Rollerplunger •Handle-operatedlever •Rotaryknob

– Porting pattern according to DIN 24340 form A (without locating hole)

– PortingpatternaccordingtoISO4401-03-02-0-05andNFPAT3.5.1R2-2002D03 (with locating hole)

– Subplatesaccordingtodatasheet45052(separateorder)– Inductivepositionswitchandproximitysensors(contactless),

see data sheet 24830

H7114

Content PageFeatures 1Ordering code 2Standardtypes 2Spool symbols 3Typesofactuation 4Function, section 5Technical data 6Actuating force/torque 6Characteristic curves 7Performance limits 7, 8Unit dimensions 9 to 11

Informationonavailablespareparts: www.boschrexroth.com/spc

Size 6Componentseries5X,6XMaximumoperatingpressure315bar [4569 psi]Maximum flow 60 l/min [15.8 US gpm]

InhaltTableofcontents 1Features 1Codification 2Spoolsymbols 3Typesofoperation 4Function, section 5Technical data (For applications outside these parameters, please consult us!) 6Actuating force/torque 6

Characteristic curves(measuredwithHLP46, Oil=40°C±5°C [104 °F ± 9 °F]) 7

Performance limits(measuredwithHLP46, Oil=40°C±5°C [104 °F ± 9 °F]) 7

Performance limits(measuredwithHLP46, Oil=40°C±5°C [104 °F ± 9 °F]) 8Unit dimensions (dimensions in mm [inch]) 9Unit dimensions (dimensions in mm [inch]) 10Unit dimensions 11Notes 12

2/12 Bosch Rexroth AG Hydraulics WMR, WMRZ, WMU, WMM and WMD(A) RE 22280/04.10

Ordering code

3 main ports = 34 main ports = 4

Type of actuationRoller plunger 1) = WMRRoller plunger 1) = WMRZRoller plunger 1) = WMUHandle-operatedlever = WMMRotaryknob = WMDRotaryknob,lockable2) = WMDASize 6 = 6Spoolsymbols,e.g.C,E,EA,EB,etc. 3)

Componentseries50to59 = 5X(50to59:unchangedinstallationand connection dimensions)Componentseries60to69(onlyWMRZtype) = 6X(60 to 69: unchanged installation and connection dimensions)Withspringreturn = no code (availableforWMR,WMRZ,WMU,WMM)Withdetent = F (availableforWMM,WMD,WMDA)Improvedcorrosionprotection(only“WMM”design) 4) = J

Further details in the plain text

no code = Withoutlocatinghole

/60 5) = Withlocatinghole/62 = With locating hole and locatingpinISO8752-3x8-St

Seal materialno code = NBRsealsV = FKM seals

(other seals upon request)Attention!

Observecompatibilityofsealswith hydraulicfluidused!

Clamping length no code = 42 mm (standard unit)Z = 22mm(only“WMRZ”design)

no code = Withoutthrottleinsert B08 6) = Throttle-Ø0.8mm B10 6) = Throttle-Ø1.0mm B12 6) = Throttle-Ø1.2mm

Spool position monitoring 7) no code = WithoutpositionswitchQMAG24 = Monitoredspoolposition“a”QMBG24 = Monitoredspoolposition“b”QM0G24 = Monitored rest position

For further details see data sheet 24830

6 J *

1) See page 10.2)Keywithmaterialno.R900006980forseries50to52

and R900008158fromseries53isincludedinthescope ofdelivery.

3)Forspoolsymbolsandexamplesseepage3and4.4) The external parts made of metal are galvanized, treated

with corrosion protection or made of stainless steel. This designisalsosuitableforon-wallapplications.

5)LocatingpinISO8752-3x8-St,materialno.R900005694, separate order

6) Used for volume flow > performance limit of the valve, effective in channel P.

7)Onlyforvalveswith2spoolpositions,notfor“J”design

Standard types and standard units are contained in the EPS (standard price list).

Spool symbols

= A

= C

= D

A B

P T

a b a b

A B

P T

a b a b

A B

P T

A B

P T

= B 2)

= Y 2)

= R

= T

= U

= V

= W

= P

= Q

= L

= M

= E 1)

= F

= G

= H

= J

= E1- 3)

= .B 1)

= .A 1)

A B

P T

a 0 a 0

A B

P T

A B

P T

0 b 0 b

A B

P T

A B

P T

a 0 a 0

A B

P T

b b

Hydraulics Bosch Rexroth AGRE 22280/04.10 WMR, WMRZ, WMU, WMM and WMD(A) 3/12

1) Example: –SpoolEwithspoolposition“a”→orderingcode..EA.. –SpoolEwithspoolposition“b”→orderingcode..EB..2)OnlyWMR/WMUandWMMtypesavailable.3) Symbol E1-:P→A/Bpre-opening

Attention!Caution due to pressure intensification in conjunction with single-rodcylinders!


1) Seespoolsymbolpage32) Onlyas2positionvalvepossible

Codification Type of actuation

Spoo

l sy

mbo

l

Actu

atin

g si

de

Dete

nt Roller plungerTypeWMRZ 2)

Roller plungerTypeWMR,WMU

Handle-operated leverTypeWMM

Rotary knobTypeWMD,WMDA

A, C, D,

EA, JA, GA

../F.. a b

A B

P T

a b

A B

P T

a 0

A B

P T

a b

A B

P T

a b

A B

P T

B, Y,

EA, JA, GA

0 b

A B

P T

a b

A B

P T

a b

A B

P T

../F.. a b

A B

P T

E1–, E, F, G, H, J, L M, P, Q, R, T, U, V, W

“a”1)

= .A

../F.. a 0

A B

P T

a 0

A B

P T

a 0

A B

P T

“b”1)

= .B

../F.. 0 b

A B

P T

0 b

A B

P T

0 b

A B

P T

../F.. 0 ba

A B

P T

0 ba

A B

P T

0 ba

A B

P T

0 b

A B

P T

a

Types of operation

P


A T B(P)

2 1 3 4

A T B(P)

2 1 3 4

A T B(P)

2 1 3 4

A T B(P)

1 3 42

Function, sectionTypeWM..valvesaremechanical,manuallyactuateddirec-tional spool valves.Theycontrolthestart,stopanddirectionofaflow.Directionalvalvesbasicallyconsistofhousing(1),oneactu-atingelement(2)(rollerplunger,hand-controlledlever,rotaryknob),controlpiston(3),andoneortworeturnsprings(4).Inde-energizedcondition,thereturnsprings(4)maintainthecontrolpiston(3)incenterorinitialposition-iftherotaryknobis actuated with a detent.The control piston (3) is moved to the desired spool position bymeansofactuatingelements.DetentDirectionalvalveswithrotaryknobaregenerallydesignedwithdetent.Directionalvalveswithhandle-operatedleverareoptionallyavailableas2or3positionvalveswithdetent. Directionalvalveswithrollerplungeraregenerallyde-signed without detent. If actuating elements with detent are used,eachspoolpositioncanbelocked,dependingonthevalvetype.Throttle insertThe use of a throttle insert is required when due to prevail-ing operating conditions, flows can occur during the switching processes, which exceed the performance limit of the valve.It is inserted in channel P of the directional valve.

Type 4WMR 6 E5X/…

Type 4WMM 6 D5X/F

Type 4WMDA 6 E5X/F

Type 4WM. 6 ..5X/..B..

Type 4WMRZ 6 D6X/…


Technical data (For applications outside these parameters, please consult us!)

hydraulicMaximum operating pressure

– PortA,B,P bar[psi] 315 [4569]

– Port T: •WMM,WMD,WMDA bar[psi]

160 [2320]

WithsymbolsAorB,portTmustbeusedasleakageportiftheoperatingpressureexceedsthepermissibletankpressure. •WMR,WMRZ,WMU bar[psi] 60 [900]

Maximum flow l/min [US gpm] 60 [16]

Flowcross-section –SpoolsymbolQ 6%ofthenominalcross-section–SpoolsymbolW 3%ofthenominalcross-section

Hydraulicfluid Mineraloil(HL,HLP)accordingtoDIN515241); fastbiodegradablehydraulicfluidsaccordingtoVDMA24568(seealsoRE90221);HETG(rapeseed oil) 1);HEPG(polyglycols)2);HEES(syntheticesters) 2);otherhydraulicfluidsuponrequest

Hydraulicfluidtemperaturerange °C [°F] –30 to +80 [–22 to +176] (NBRseals) –20 to +80 [–4 to +176] (FKM seals)

Viscosityrange mm2/s [SUS] 2.8to500 [35 to 2320]

Maximumpermitteddegreeofcontaminationofthehydraulicfluid-cleanliness class according to ISO 4406 (c)

Class20/18/153)

1)SuitableforNBRand FKM seals2)Suitableonly for FKM seals3) The cleanliness classes specified for the components must beadheredtoinhydraulicsystems.Effectivefiltrationpre-vents faults and at the same time increases the service life of the components.

generalWeight kg[lbs] approx. 1.4 [3.1]

Installation position Any

Ambienttemperaturerange °C [°F] –30 to +80 [–22 to +176] (NBRseals) –20 to +80 [–4 to +176] (FKM seals)

Fortheselectionoffilters,seedatasheets50070,50076,50081,50086,50087and50088.

Calculation formula for the actuating force at the roller plunger (FR)incaseoftankpressure:FR = Fwithouttankpressure + pTx1.4N/bar

Actuating force/torque

Type WMR/WMU

Type WMM

Type WMD

Type WMRZ

Operating pressure

–PortA,B,P bar[psi] 100 [1450]

200 [2900]

315 [4600]

315 [4600]

Actuating force at the roller plunger

–withouttankpressure N [lbs] 100 [22.5]

112 [25.2]

121 [27.2]

30 [6.7]

–withtankpressure N [lbs] 184 [41.4]

196 [44.1]

205 [46.1]

160 [36]

(tankpressure, max. pT) bar[psi] 60bar [900 psi] – corre-sponds to 1.4 N [0.022 lbs] perbar[psi]oftankpressure

210 [47.2]

Maximum actuating torque Ncm [lb-in] – 150 [13.3]

Actuating force

–withouttankpressure,with/withoutdetent N [lbs] 20 [4.5] –– at atankpressureof150bar[2175 psi] N [lbs] 30 [6.7] –

0 20 40 60

2

4

6

8

10

7 8 10 6

5

391

2

4

30 5010[0]

[20]

[40]

[60]

[80]

[100]

[120]

[140]

[160] 11

[0] [4] [8] [12][2] [6] [10] [14]

100

2

200

300

6

1

7

3

5

4

8

315

0 20 40 6030 5010

[0] [4] [8] [12][2] [6] [10] [14]

[0]

[4000]

[1000]

[2000]

[3000]

[4569]


Characteristic curves(measuredwithHLP46, Oil=40°C±5°C[104 °F ± 9 °F])

Performance limits(measuredwithHLP46, Oil=40°C±5°C[104 °F ± 9 °F])

Spool symbols

Flow directionP–A P–B A–T B–T

A 3 3 – –B 3 3 – –C 1 1 3 1D 5 5 3 3E 3 3 1 1F 1 3 1 1G 6 6 9 9H 2 4 2 2J 1 1 2 1L 3 3 4 9M 2 4 3 3P 3 1 1 1Q 1 1 2 1R 5 5 4 –T 10 10 9 9U 3 3 9 4V 1 2 1 1W 1 1 2 2Y 5 5 3 3

7Spoolsymbol“R”inspoolposition“b”(A→B)8Spoolsymbols“G”and“T”incenterposition(P→ T)

∆p-qV characteristic curvesPressuredifferentialin

bar[p

si] →

Flow in l/min [US gpm] →

Operatingpressureinbar[p

si] →


Type WMR, WMRZ, WMU

Character-istic curve

Spool symbol

1 A,B2 C,D,Y,E,E1–,H,M,

Q,U,W3 F, P4 G5 J,L6 R8 V7 T

The specified switching power limits are valid for operation with two directions of flow (e.g. from P to A and simultaneous returnflowfromBtoT).Due to the flow forces acting within the valves, the permis-

sibleswitchingpowerlimitsmaybeconsiderablylowerwithonlyonedirectionofflow(e.g.fromPtoAwhileportBisblocked)!In such cases, please consult us.

315

0 20 40 6030 5010

[0] [4] [8] [12][2] [6] [10] [14]

100

1

200

300

3

5

4

[0]

[4000]

[1000]

[2000]

[3000]

[4569]

2

0 20 40 6030 5010

[0] [4] [8] [12][2] [6] [10] [14]

315

100

8200

300

6

1

7

35

4

9

[0]

[4000]

[1000]

[2000]

[3000]

[4569]

3, 5

2

315

0 20 40 6030 5010

[0] [4] [8] [12][2] [6] [10] [14]

100

2

200

300

6

1

7

35

4

8

[0]

[4000]

[1000]

[2000]

[3000]

[4569]

4, 5


Performance limits(measuredwithHLP46, Oil=40°C±5°C[104 °F ± 9 °F])


si] →

Type WMD, WMDA


Spool symbol

1 E,E1–,M,H,C,D,Y,Q,U,W

2 J,L3 A,B4 G,P5 F6 V7 R8 T



si] →

Type WMM - with detent


Spool symbol

1 E1–,M,H,C,D,Y2 E,J,Q,L,U,W3 A,B4 G,T5 F6 V7 P8 R9 T



si] →


Type WMM - spring return


Spool symbol

1 E,E1–,M,J,L,Q,U,W,C,D,Y,G,H,R

2 A,B3 V4 F, P5 T

A BT

P

11

40

147

30,8

23

45,7 75,5

138

47 51

Ø9,4

Ø5,3

50

2222

aba b00 b

a

a b

A, C, D

.. A ..B, Y

.. B ..

18

52,9 44

A, C, D 1)b

0

0

0 a

..A.. 1)

b

b..B..2)

0 (b)

ab

9090

42

Ø25

0

a

a

1

8

9

3

2

12

13

11

10

7

64

2,8

6,5

F1 F2

F3F4

G

[2.0] 50 [2.0]

[Ø0.984]

[1.5

7]

[5.8

]

[1.2

1]

[0.9

1]

[1.79] [2.97]

[5.43]

[1.6

54]

[1.8

5]

[2.0

08]

[ 0.37]

[ 0.209]

5530

2

Ø43

ca. 104

53

[1.6

9]

[2.2]

[1.2]

[0.08] [2.0

9]

[4.09]

[1.7

3]

[2.0

8]

[2.51]

[0.433][0.2

56]

[0.7

09]

6

5

6

5

[0.11] 2,8 [0.11]

0,01/100[0.0004/4.0]

Rzmax 4


Unit dimensions (dimensions in mm [inch])

Type WMM Type WMD

Type WMDA

1) b→a/0→a:Clockwiserotationby90°2)0→b:Counterclockwiserotationby90°

1 Nameplate2 Porting pattern according to DIN 24340 form A

(without locating hole), ISO4401-03-02-0-05 and NFPAT3.5.1R2-2002D03 (with locating hole for locatingpinISO8752-3x8-St, material no. R900005694, separate order)

3 IdenticalsealringsforportsA,B,P,andT5 2 position valve6 3 position valve

Type WMM7 Spoolposition“a”8 Spoolposition“b”9 Spoolposition“0”,“a”and“b”

(aandbfor2 position valves)Type WMD, WMDA10 Spoolposition“a”11 Spoolposition“0”and“b”(bfor2 position valves)12 Spoolposition“b”13 Switching angle 90° to the right and 90° to the left for

3 position valves

Requiredsurfacequalityofthevalve mounting face

57

74,3

6

Ø16

2,8

[2.92]

[2.24]

[0.2

36]

[ 0.63]

[0.11]2,8 [0.11]

74,3

max. 30

[2.92]

1

2,8

ab0b a

10

14

1112

56

[0.039]

[0.11]2,8 [0.11]

69,2

13,6

22

38

960

,5

2023

4942 (2

2)

62,5

AT

B

P

F1 F2

F3F4

9,4

5,3

[ 0.37]

[ 0.209][1

.654

]([0

.866

])

48,4

64

[1.89]

[2.52]

[2.46]

[0.535]

[2.45]

[0.3

54]

[0.8

7]

[1.5

0]

7[0

.276

]

[0.9

1]

[1.9

3]

2

1

34

9+1

[2.3

8]

[ 0.79]

[0.53+0.039]

0 a/b16 15

104,5 [4.11]

17

22[0.87]

90,4 [3.56]


Unit dimensions (dimensions in mm [inch])

Type WMR Type WMU Type WMR, WMU

Type WMRZ

1 Nameplate2 Porting pattern according to

DIN 24340 form A (without locating hole), ISO4401-03-02-0-05 and NFPA T3.5.1R2-2002D03 (with locating hole for locating pin ISO8752-3x8-St,materialno.R900005694, separate order)

3 Identical seal rings for ports A, B,P,andT

4 Alternative clamping length (): 22mm(onlytypeWMRZ)

Type WMR, WMRZ, WMU5 2 position valve6 3 position valve

10 Spoolposition“a”11 Spoolposition“0”and“b”(bfor

2 position valves)12 Spoolposition“b”14 Excessivestroke,cannotbe

usedasworkingstroke15 Spoolposition“a”or“b”16 Spoolposition“0”17 ActuationonsideB(depending

on the piston)

Subplates and valve mounting screws see page 11.


Subplates accordingtodatasheet45052 (separate order)(withoutlocatinghole) G341/01(G1/4) G342/01(G3/8) G502/01(G1/2)(withlocatinghole) G341/60(G1/4) G342/60(G3/8) G502/60(G1/2) G 341/12 (SAE-6) 1)

G 342/12 (SAE-8) 1)

G 502/12 (SAE-10) 1)

1) On request

Valve mounting screws (separate order)– Clamping length 42 mm:

4 cylinder bolts, metric ISO 4762 - M5 x 50 - 10.9-flZn-240h-L (friction coefficient µtotal = 0.09 to 0.14); Tightening torque MA = 7 Nm [5.2 ft-lbs] ±10 %; Material no. R913000064 or 4 cylinder bolts ISO 4762 - M5 x 50 - 10.9 (own procurement) (friction coefficient µtotal = 0.12 to 0.17); Tightening torque MA = 8.1 Nm [6 ft-lbs] ±10 %

4 hexagon socket head cap screw UNC 10-24 UNC x 2” ASTM-A574 (friction coefficient µtotal = 0.19 to 0.24); Tightening torque MA = 11 Nm [8.2 ft-lbs]±15%, (friction coefficient µtotal = 0.12 to 0.17); Tightening torque MA = 8 Nm [5.9 ft-lbs] ±10 %; Material no. R978800693

– Clamping length 22 mm: 4 cylinder bolts, metric ISO 4762 - M5 x 30 - 10.9-flZn-240h-L (friction coefficient µtotal = 0.09 to 0.14); Tightening torque MA = 7 Nm [5.2 ft-lbs] ±10 %; Material no. R913000316 or 4 cylinder bolts ISO 4762 - M5 x 30 - 10.9 (own procurement) (friction coefficient µtotal = 0.12 to 0.17); Tightening torque MA = 8.1 Nm [6 ft-lbs] ±10 %

4 cylinder bolts UNC 10-24 UNC x 1 1/4” (friction coefficient µtotal = 0.19 to 0.24); Tightening torque MA = 11 Nm [8.2 ft-lbs]±15%, (friction coefficient µtotal = 0.12 to 0.17); Tightening torque MA = 8 Nm [5.9 ft-lbs] ±10 %; Material no. R978802879

Unit dimensions

BoschRexrothAG HydraulicsZumEisengießer197816LohramMain,Germany Phone +49(0)9352/18-0 Fax +49(0)9352/[email protected] www.boschrexroth.de

© This document, as well as the data, specifications and other informa-tionsetforthinit,aretheexclusivepropertyofBoschRexrothAG.Itmaynotbereproducedorgiventothirdpartieswithoutitsconsent.Thedataspecifiedaboveonlyservetodescribetheproduct.Nostate-mentsconcerningacertainconditionorsuitabilityforacertainapplica-tioncanbederivedfromourinformation.Theinformationgivendoesnotreleasetheuserfromtheobligationofownjudgmentandverification.Itmustberememberedthatourproductsaresubjecttoanaturalprocessof wear and aging.


Notes

unit dimensions 11 [inch] 4/3, 4/2 and 3/2 directional

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