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4WMM10P3X/V

Manufacturer: Bosch Rexroth

Material #: R978909360

Model : 4WMM10P3X/V

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$1,579.00 USD

Availability: Backordered

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Delivered as early as December 11, 2026

This product is eligible for factory repair.

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4/3-, 4/2- or 3/2-way version Porting pattern according to ISO 4401-05-04-0-05 Type of actuation: hand lever

Valves of type WMM are manually actuated directional spool valves.

They control the start, stop and direction of a flow.

The directional valves basically consist of housing (1), one type of actuation (2.1) (hand lever), control spool (3) and one or two return springs (4).

When de-energized, the control spool (3) is held in the central position or in the initial position by the return springs (4) (except for version "O").

The control spool (3) is moved to the desired spool position by means of the types of actuation.

Type 4WMM 10 D5X/F/... (with detent)

Type 4WMM 10 E5X/...

Throttle insert

The use of a throttle insert is required when, due to prevailing operating conditions, flows occur during the switching processes which exceed the performance limit of the valve.

01	02	03	04	05		06		07	08	09	10	11
	WMM	10		5X	/		/				–	*

01	3 main ports			3
	4 main ports			4
Types of actuation
02	Manually: hand lever			WMM
03	Size 10			10
04	Symbols e. g. C, E, EA, EB, etc.; for the possible version, see Symbols and Types of actuation
05	Component series 50 … 59 (50 … 59: unchanged installation and connection dimensions)			5X
06	With spring return			no code
	With detent			F
Corrosion protection
07	Standard corrosion protection			no code
	Improved corrosion protection (720 h salt spray test according to EN ISO 9227)			J4
Throttle insert1)
08	Without throttle insert			no code
	With throttle insert:
	Connection	Throttle Ø in mm
		0,8 mm	1,0 mm	1,2 mm
	P	B08	B10	B12
	A	H08	H10	H12
	B	R08	R10	R12
	A and B	N08	N10	N12
	T 2)	X08	X10	X12
	Further throttle insert diameters upon request.
Seal material
09	NBR seals			M
	FKM seals			V
	Seals for HFC hydraulic fluids			MH
	Observe compatibility of seals with hydraulic fluid used.
Pilot oil port
10	Whitworth pipe thread G1/4			‒
11	Further details in the plain text			*

	1) When the admissible valve performance limit is exceeded, throttle inserts are to be installed (see Performance limits).
	2) When throttle inserts are used in channel T, the pressure in the working ports and in case of connection to the tank chambers must not exceed 210 bar.

general

Size			10
Weight	Valve with one actuation cylinder	kg	3.6
Weight	Valve with two actuation cylinders	kg	3.6
Operating force	with detent "F"	N	30 … 40
Operating force	With spring return	N	18 … 20
Installation position			any
Ambient temperature range	NBR seals	°C	-20 … +70
Ambient temperature range	FKM seals	°C	-15 … +70
Storage temperature range		°C	-20 … +50

hydraulic

Size			10
Maximum operating pressure	Port P	bar	350
	Port A	bar	350
	Port B	bar	350
	Port T 1)	bar	210
Maximum flow		l/min	160
Hydraulic fluid			see table
Hydraulic fluid temperature range 2)	NBR seals	°C	-20 … +80
Hydraulic fluid temperature range 2)	FKM seals	°C	-15 … +80
Viscosity range		mm²/s	2.8 … 500
Maximum admissible degree of contamination of the hydraulic fluid 3)			Class 20/18/15 according to ISO 4406 (c)

1)	With symbols A or B, port T must be used as leakage oil connection if the operating pressure exceeds the admissible tank pressure.
2)	at the valve working ports of the valve
3)	The cleanliness classes specified for the components must be adhered to in hydraulic systems. Effective filtration prevents faults and simultaneously increases the life cycle of the components. For the selection of the filters, see www.boschrexroth.com/filter.

Hydraulic fluid		Classification	Suitable sealing materials	Standards
Mineral oils and related hydrocarbons		HL, HLP, HLPD, HVLP, HVLPD	NBR, FKM	DIN 51524
Bio-degradable	Insoluble in water	HETG	NBR, FKM	VDMA 24568
	Insoluble in water	HEES	FKM	VDMA 24568
	Soluble in water	HEPG	FKM	VDMA 24568
Containing water	Water-free	HFDU, HFDR	FKM	ISO 12922
Containing water	Containing water	HFC (Fuchs Hydrotherm 46M, Petrofer Ultra Safe 620)	NBR	ISO 12922
Important information on hydraulic fluids! For further information and data on the use of other hydraulic fluids, please refer to data sheet 90220 or contact us! There may be limitations regarding the technical valve data (temperature, pressure range, life cycle, maintenance intervals, etc.)! Flame-resistant – containing water: Maximum pressure differential per control edge 50 bar. Pressure pre-loading at the tank port >20% of the pressure differential; otherwise, increased cavitation Life cycle compared to operation with mineral oil HL, HLP 50 to 100 %

For applications outside these parameters, please consult us!

(measured with HLP46, ϑOil = 40 ±5 °C)

Δp-qV characteristic curves

Symbol	Direction of flow
Symbol	P ‒ A	P ‒ B	A ‒ T	B ‒ T
A; B	6	6	‒	‒
C	1	2	5	7
D	2	2	5	7
E	17	16	19	21
F	2	3	22	23
G	4	4	24	24
H	14	14	20	21
J	3	3	9	11
J73	22	21	23	24
L	3	3	9	9
M	14	14	6	8
P	17	14	20	23
Q	16	17	4	8
R	18	21	18	24
T	18	4	10	24
U	3	3	6	11
V	17	17	18	20
W	upon request

Central position:
Symbol	Direction of flow
Symbol	P ‒ A	P ‒ B	B ‒ T	A ‒ T	P ‒ T
H	12	12	13	13	15

Notice!

The specified performance limits are valid for use with two directions of flow (e. g. from P to A and simultaneous return flow from B to T).

Due to the flow forces acting within the valves, the admissible performance limit may be considerably lower with only one direction of flow (e. g. from P to A while port B is blocked)!

In such use cases, please consult us!

Performance limits (measured with HLP46, ϑOil = 40 ±5 °C)

With spring return “–”
Characteristic curve	Symbol
1	C, D, E, J, J73, L, M, Q, U, V, W
2	H
3	T, G

With detent "F"
Characteristic curve	Symbol
4	C, D, E, J, J73, L, M, Q, U
5	T, G, H

1)	Example:Symbol E with spool position “a” → ordering code ..EA..Symbol E with spool position “b" → ordering code ..EB..

Size 16

Dimensions in mm

1	Valves with 2 spool positions, symbol B and .B
2	Valves with 2 switching positions, symbol A, C, D .A
3	Valves with 3 switching positions
4	Cover and hand lever
5	Name plate
6	Identical seal rings for port A, B, P, TA, TB
7	Additional port TB can optionally be used
8	Porting pattern according to ISO 4401-05-04-0-05

Notices!

Deviating from ISO 4401, port T is called TA and port T1 is called TB in this data sheet. For valves with 2 switching positions and symbols B and .B, the hand lever is installed on valve side B. The dimensions are nominal dimensions which are subject to tolerances.