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Accessories for R901430250

CONTROL THROTTLE 2WFCE32S320L-1X/M/24G1

Manufacturer: Bosch Rexroth

Material #: R901430250

Model : 2WFCE32S320L-1X/M/24G1

***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Bosch Rexroth directly.***
The Bosch Rexroth 2WFCE32S320L-1X/M/24G1 (R901430250) is a high-performance industrial hydraulic valve designed for precise and reliable oil flow control. This pilot-operated proportional directional spool valve features integrated electronics, including a position transducer and an analog interface, to ensure high accuracy by providing internal piston position feedback. With its robust construction, the valve can withstand pressures up to a maximum operating pressure of 350 bar and can operate in environments with ambient temperatures reaching up to 50°C. The model is equipped with a spool symbol A → B, B → A for directional control and includes a connector pole PE according to DIN EN standards for its electrical connections. The nominal flow rate is tailored for efficient performance, while the cartridge valve type of connection ensures easy integration into hydraulic systems. The unit operates on a supply voltage of 24 VDC and features multiple switching positions for versatile application. With CE conformity marking, this valve adheres to electromagnetic compatibility regulations set by the EU. It's suitable for use with various hydraulic fluids including HL, HLP, HLPD, HVLP, HVLPD, and HFC types. Seals made from NBR (nitrile butadiene rubber) provide durability against wear and potential fluid leakage. In terms of safety and reliability, this model is engineered to default to a failsafe position in case of power failure or unexpected disconnections. This feature ensures that the main stage blocks flow between ports A and B securely. Additionally, when paired with a pressure compensator, it allows for pressure-compensated flow control. The Bosch Rexroth 2WFCE32S320L-1X/M/24G1 valve is designed to deliver high response sensitivity with minimal hysteresis and is vibration resistant in accordance with DIN EN standards. Its standardized installation dimensions comply with ISO specifications for ease of replacement or system upgrades.

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This product is eligible for factory repair.

Repairs from $851.00

CONTROL THROTTLE 2WFCE32S320L-1X/M/24G1

Size 32, A → B, B → A, integrated electronics, 24 V DC

Industrial hydraulic valve in a high performance range. Reliable oil flow control to command value signal. High accuracy thanks to internal piston position feedback

Unpacked Weight: 4.78 kg

2/2-way version Robust:
- Pressure resistance up to 420 bar
- High vibration resistance (acc. to DIN EN60068-2)
- Ambient temperature up to +60 °C Precise:
- High response sensitivity and little hysteresis Reliable:
- High-quality and proven design Normalized:
- Installation dimensions according to ISO 7368
- Connectors/interfaces Flexible:
- In connection with a pressure compensator pressure-compensated flow control possible Safe:
- Fail-safe position of the main stage in case of power failure, cable break or disconnected enable

Set-up

The pilot-operated proportional directional valve type 2WFCE basically consists of:

Cover (1) Main stage (2) Pilot control valve with proportional solenoid (3) Integrated electronics with position transducer and analog interface (4) or external control electronics as module amplifier

The electronics (integrated or external) compare the specified command value to the position actual value of the control spool of the main stage (2). In case of control deviations, the solenoid of the pilot control valve (3) is activated. In this way, the control spool is adjusted. Depending on the control deviation, the control chamber of the main stage (2) is either pressurized with pilot oil (the main stage closes) or unloaded (the main stage opens). Stroke and orifice cross-section are controlled proportionally to the command value until the control deviation is remedied.

For proper function, the following has to be observed:

Direction of flow A → B (X connected to A) Direction of flow B → A (X connected to B) Port Y depressurized to the tank

Failure of supply voltage

If the minimum supply voltage fails or is fallen below, the enable is disconnected (only interfaces B1 and G1) and in case of a cable break of the solenoid conductor, the electronics will de-energize the solenoid of the pilot control valve (3). The control spool of the main stage (2) moves securely to its seat using the pressure available at port X and the force of the main stage spring and blocks the flow between A and B.

Flow control function

In connection with a pressure compensator, the pilot-operated proportional directional valve can be used for the pressure-compensated control of a flow.

Spool valve
Pilot-operated
CE according to EMC Directive 2014/30/EU
Component series 1X
Maximum operating pressure 420 bar
Size 16, 25, 32, 40, 50
Maximum flow 1500 l/min

Data Sheet	Download Data Sheet
3D CAD	Download 3D CAD
Manual	Download Manual
Manual	Download Manual
Manual	Download Manual
Manual	Download Manual
Manual	Download Manual

Connection diagram	ISO 7368-BC-09-2-A
Max. pressure	420
Spool symbol	A → B, B → A
Type of connection	Cartridge valve
Nominal flow	320
Size	32
Type of actuation	Electrical with integrated electronics
Number of ports	2
Number of switching positions	2
Supply voltage	24 VDC
Electrical connector	Connector 12-pole (11 + PE)
Electrical connection description	Connector 12-pole (11 + PE) according to EN 175201-804
Connectivity	Analog, command value 4 … 20 mA
Conformity description	CE – electromagnetic compatibility 2014/30/EU
Conformity	CE
Hydraulic fluid	HL,HLP,HLPD,HVLP,HVLPD,HFC
Seals	NBR
Productgroup ID	9,10,11,12,13,14
Weight	4.78

01	02	03	04	05	06	07		08		09		10	11	12	13
2	WFC	E		S		L	-	1X	/		/				*

01	2 main ports	2
02	Pilot-operated proportional directional valve (cartridge valve)	WFC
03	With external control electronics	no code
03	With integrated electronics (OBE)	E
04	Size 16	16
	Size 25	25
	Size 32	32
	Size 40	40
	Size 50	50
05	Seat control spool	S
Rated flow at 5 bar pressure differential
06	– Size 16
	125 l/min 1)	125
	160 l/min 2)	160
	– Size 25
	220 l/min 1)	220
	330 l/min 2)	330
	– Size 32
	320 l/min 1)	320
	650 l/min 2)	650
	– Size 40
	500 l/min 1)	500
	940 l/min 2)	940
	– Size 50
	1000 l/min 1)	1000
	1500 l/min 2)	1500
Flow characteristic
07	Linear	L
08	Component series 10 ... 19 (10 ... 19: unchanged installation and connection dimensions)	1X
Seal material (observe compatibility of seals with hydraulic fluid used, see "Technical data")
09	NBR seals	M
09	FKM seals	V
Electrical connection (With external control electronics)
10	3-pole connector (2+PE) according to DIN EN 175301-803	K4 3)
11	Without supply voltage (With external control electronics)	no code
11	Supply voltage 24 V (With integrated electronics (OBE) "E")	24
Electrical interface (With integrated electronics (OBE) "E")
12	0 ... 10 V DC (connector 6+PE)	A1 3)
	0 ... 10 V DC (connector 11+PE)	B1 3)
	4 ... 20 mA (connector 11+PE)	G1 3)
13	Further details in the plain text	*

1)	Control spool Linear (standard)
2)	Control spool Linear–Progressive
3)	Mating connectors, separate order, see "Accessories"

For applications outside these parameters, please consult us!

general

Size			16	25	32	40	50
Weight (approx.)	"2WFCE"	kg	3.5	4.6	5.8	7.9	10.5
	"2WFC"	kg	3.3	4.4	5.6	7.7	10.3
Installation position			Any
Ambient temperature range	NBR seals	°C	-30 … +60
	FKM seals	°C	-20 … +60
Maximale Lagerzeit			1 year (if the storage conditions are observed; refer to the operating instructions 07600-B)
Vibrationsbeständigkeit	Sine test according to DIN EN 60068-2-6		10 ... 2000 Hz / maximum 10 g / 10 cycles / 3 axes
	Noise test according to DIN EN 60068-2-64		20 ... 2000 Hz / 10 gRMS / 30 g peak / 30 min / 3 axes
	Transport shock according to DIN EN 60068-2-27		15 g / 11 ms / 3 axes
Maximale relative Feuchte (keine Betauung)		%	95
Maximum surface temperature of the coil		°C	150
MTTFD values according to EN ISO 13849 1)		Years	75

1)	For further details, see data sheet 08012

hydraulic

Size				16	25	32	40	50
Maximum operating pressure		Anschluss A	bar	420
		Port B	bar	420
Minimaler Betriebsdruck 1)		Port A (A → B)	bar	12
		Port B (B → A)	bar	20
Maximum pilot pressure		Port X	bar	420
Maximum return flow pressure		Port Y	bar	100 1)
Nominal flow 2)		Linear	l/min	125	220	320	500	1000
		Linear–Progressive	l/min	160	330	650	940	1500
Maximum pilot flow 3)			cm³	3	5	7	9
Leakage flow	Pilot control valve	at 100 bar	l/min	< 0.15	< 0.2		< 0.4
	Main stage	Interface A1 (0 V) 4) 5)		A → B / B → A locked in a leak-free manner (valve in seat position)
		Interface B1 (0 V)		depending on ∆p, see characteristic curves
		Interface G1 (4 mA)		depending on ∆p, see characteristic curves
		Interface B1, G1 4) 5) 6)		A → B / B → A locked in a leak-free manner (valve in seat position)
Pilot volume 2)		Main stage	cm³	1	2.7	6.4	12.6	24.5
Direction of flow 1)	Internal pilot oil supply	A → B		A connected to X
		B → A		B connected to X
	External pilot oil supply	A → B		Pressure in X ≥ pressure in A
		B → A		Pressure in X ≥ pressure in B
Hydraulic fluid				see table "Hydraulic fluid"
Viscosity range		Recommended	mm²/s	20 … 100
		Maximum admissible	mm²/s	15 … 380
Hydraulic fluid temperature range		flown-through	°C	-20 … +60
Maximum admissible degree of contamination of the hydraulic fluid, cleanliness class according to ISO 4406 (c) 7)				Class 18/16/13

1)	Counter pressure in port Y; values correspond to Y depressurized to the tank.
2)	With Δp = 5 bar/control edge; flow with deviating Δp see formula.
3)	Stepped input signal (seat position at 100%, pilot pressure 100 bar)
4)	Internal pilot oil supply: Observe leakage flow A → X or B → X via pilot control valve to Y (see technical data leakage flow – pilot control valve)
5)	External pilot oil supply: Leakage flow from A or B via the pilot control valve is avoided; a minimum leakage flow X → B up to 0,03 l/min is, however, possible
6)	Pin 3: 0 V (release not set)
7)	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	Data sheet
Mineral oils		HL, HLP, HLPD, HVLP, HVLPD	NBR, FKM	DIN 51524	90220
Bio-degradable	Insoluble in water	HETG	FKM	ISO 15380	90221
	Insoluble in water	HEES	FKM	ISO 15380
	Soluble in water	HEPG	FKM	ISO 15380
Flame-resistant	Water-free	HFDU (glycol base)	FKM	ISO 12922	90222
		HFDU (ester base)	FKM
		HFDR	FKM
	Containing water	HFC (Fuchs Hydrotherm 46M, Fuchs Renosafe 500, Petrofer Ultra Safe 620, Houghton Houghto Safe 620, Union Carbide HP5046)	NBR	ISO 12922	90223
Important information on hydraulic fluids: For more information and data on the use of other hydraulicfluids, please refer to the data sheets above or contact us. There may be limitations regarding the technical valve data (temperature, pressure range, life cycle, maintenance intervals, etc.). The ignition temperature of the hydraulic fluid used must be 50 K higher than the maximum surface temperature. Bio-degradable and flame-resistant – containing water: If components with galvanic zinc coating (e.g. version "J3" or "J5") or parts containing zinc are used, small amounts of dissolved zinc may get into the hydraulic system and cause accelerated aging of the hydraulic fluid. Zinc soap may form as a chemical reaction product, which may clog filters, nozzles and solenoid valves - particularly in connection with local heat input. Flame-resistant - containing water: Due to increased cavitation tendency with HFC hydraulic fluids, the life cycle of the component may be reduced by up to 30% as compared to the use with mineral oil HLP. In order to reduce the cavitation effect, it is recommended - if possible specific to the installation - to back up the return flow pressure in ports T to approx. 20% of the pressure differential at the component. Dependent on the hydraulic fluid used, the maximum ambient and hydraulic fluid temperature must not exceed 50 °C. In order to reduce the heat input into the component, the command value profile is to be adjusted for proportional and high-response valves.

static / dynamic

Size		16	25	32	40	50
Hysteresis	%	< 0.2
Range of inversion	%	< 0.1
Response sensitivity	%	< 0.1
Manufacturing tolerance 1)	%	≤ 10
Temperature drift	%/40 K	< 1
Zero compensation 2)	%	± 1

1)	qVmax (control spool Linear)
2)	ex works

electrical, integrated electronics (OBE)

Size			16	25	32	40	50
Relative duty cycle 1)		%	100
Protection class according to EN 60529			IP65 (If a suitable and a correctly mounted mating connector are used.)
Power supply	Nominal voltage	V DC	24
	Lower limit value	V DC	18
	Upper limit value	V DC	36
	Maximum admissible residual ripple 2)	Vpp	2.5
Current consumption	Maximum	A	2
	Impulse current	A	3
Maximum power consumption		W	50
Functional earth and screening			see connector pin assignment (CE-compliant installation)
Required fuse protection	External		2.5 A time-lag
Adjustment			calibrated in the plant, see "characteristic curves"
Conformity			- CE according to EMC directive 2014/30/EU, tested according to EN 61000-6-2 and EN 61000-6-3 - RoHS directive 2015/65/EU - REACH ordinance (EC) no. 1907/2006

1)	Continuous operation
2)	Observe the absolute limit values of the supply voltage.

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

Size 16

Flow/signal function

Version "125" (A → B; B → A; linear)

Flow/signal function

Version "160" (A → B; B → A; linear-progressive)

Leakage as a function of the pressure differential

(Command value: A1 – 0.5 V; B1 – 0 V; G1 – 4 mA)

Transition function with stepped electric input signals

(pA = pB = 100 bar; port B closed)

Frequency response

(pA = 100 bar)

Size 25

Flow/signal function

Version "220" (A → B; B → A; linear)

Flow/signal function

Version "330" (A → B; B → A; linear-progressive)

Leakage as a function of the pressure differential

(Command value: A1 – 0.5 V; B1 – 0 V; G1 – 4 mA)

Transition function with stepped electric input signals

(pA = pB = 100 bar; port B closed)

Frequency response

(pA = 100 bar)

Size 32

Flow/signal function

Version "320" (A → B; B → A; linear)

Flow/signal function

Version "650" (A → B; B → A; linear-progressive)

Leakage as a function of the pressure differential

(Command value: A1 – 0.5 V; B1 – 0 V; G1 – 4 mA)

Transition function with stepped electric input signals

(pA = pB = 100 bar; port B closed)

Frequency response

(pA = 100 bar)

Size 40

Flow/signal function

Version "500" (A → B; B → A; linear)

Flow/signal function

Version "940" (A → B; B → A; linear-progressive)

Leakage as a function of the pressure differential

(Command value: A1 – 0.5 V; B1 – 0 V; G1 – 4 mA)

Transition function with stepped electric input signals

(pA = pB = 100 bar; port B closed)

Frequency response

(pA = 100 bar)

Size 50

Flow/signal function

Version "1000" (A → B; B → A; linear)

Flow/signal function

Version "1500" (A → B; B → A; linear-progressive)

Leakage as a function of the pressure differential

(Command value: A1 – 0.5 V; B1 – 0 V; G1 – 4 mA)

Transition function with stepped electric input signals

(pA = pB = 100 bar; port B closed)

Frequency response

(pA = 100 bar)

With external control electronics

"2WFC"

With integrated electronics (OBE)

"2WFCE"

Notices:

Representation according to DIN ISO 1219-1. Direction of flow A → B (X connected to A) B → A (X connected to B)

Integrated electronics (OBE)

Function

1. Switch-on procedure/Fault behavior

After applying the supply voltage of 24 V, the electronics are ready for operation provided that the following conditions are met:

Supply voltage UB > 18 V DC Connection to solenoid not interrupted Command value line not interrupted and command value > 2.7 mA (interface "G1" only)

If one of the conditions is not met, the controllers and the output stage will be blocked and the ready for operation signal to pin 11 (interface "B1" and "G1" only) will be set to 0 V.

2. Actual value output signals

Electrical interfaces "A1" (pin F) and "B1" (pin 6) "A1": 0.35 V … +10 V corresponds to 0% … 100% valve opening; control spooll in seat position if actual value < -2.5 V "B1": 0 V … +10 V corresponds to 0% … 100% valve opening; control spool in seat position if actual value < -1.5 V Electrical interface "G1" (pin 6) 4 mA … +20 mA corresponds to 0% … 100% valve opening; control spool in seat position if actual value < 2.7 mA

Block diagram / controller function block

Version 6 + PE

Block diagram / controller function block

Version 11 + PE

Notices:

Electrical interface "A1" in opening direction: Valve active if command value ≥ 0.5 V in closing direction: Valve deactivated if command value ≤ 0.3 V ("on seat") Electrical interfaces "B1" and "G1" in opening direction: Valve active if enable pin 3 is set, command value > -1 V ("B1") or > 2 mA ("G1") in closing direction: Valve deactivated if enable pin 3 is not set, command value < -1 V ("B1") or < 2 mA ("G1") ("on seat")

Command value	"B1" and "G1"	"A1"
Without enable		–
0 V
>0 V … 0.35 V
>0.35 V … <0.5 V
>0.5 V

Connector pin assignment

Pin		Core marking 1)	Interface assignment
6 + PE	11 + PE	Core marking 1)	"A1" (6 + PE)	"B1" (11 + PE)	“G1” (11 + PE)
A	1	1	Supply voltage 24 VDC
B	2	2	GND
C	3	3	Reference potential actual value	Enable input 24 VDC (high ≥12 V; low ≤5 V)
D	4	4	Command value 0 … 10 V		Command value 4 … 20 mA
E	5	5	Reference potential command value
F	6	6	Actual value 0 … 10 V		Actual value 4 … 20 mA
	7	7		Reference potential actual value
	8	8	–
	9	9	–
	10	10	–
	11	11	–	Switching output 24 V – fault-free operation (supply voltage -1 V)/fault (0 V) or power circuit signal), maximum 50 mA
PE	PE	green-yellow	Functional ground (directly connected to valve housing)

1)	Core marking of the connection lines for mating connector with cable set, see "accessories"

With integrated electronics (OBE)

Dimensions in mm

1	Cover
2	Main stage
3.1	Name plate NG16
3.2	Name plate NG25 … 40
3.3	Name plate NG50
4	Pilot control valve with proportional solenoid
5.1	Integrated electronics with position transducer and analog interface
6	Space required to remove the mating connector
7.1	Mating connectors for valves with round connector, 6-pole, separate order, see "Accessories"

NG	ØD1	ØD2	H1	H2	H3	L1	L2	L3	L4	B1	B2
	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm
16	24	32	286	215	56	32.5	83	175	42	65	47
25	34	45	302	231	72	42.5	93	175	42	85	47
32	45	60	315	244	85	50	100	175	42	100	-
40	55	75	335	264	105	62.5	125	190	45	125	-
50	68	90	352	281	122	70	140	190	38	140	-

Notice:

The dimensions are nominal dimensions which are subject to tolerances.

With external control electronics

Dimensions in mm

1	Cover
2	Main stage
3.1	Name plate NG16
3.2	Name plate NG25 … 40
3.3	Name plate NG50
4	Pilot control valve with proportional solenoid
5.2	External control electronics with position transducer. Mating connectors for valves with "M12" connector (separate order, see "Accessories")
6	Space required to remove the mating connector
7.2	Mating connectors for valves with connector "K4", separate order, see "Accessories"

NG	ØD1	ØD2	H3	L1	L2	L4	L5	B1
	mm	mm	mm	mm	mm	mm	mm	mm
16	24	32	56	32.5	83	42	36	65
25	34	45	72	42.5	93	42	36	85
32	45	60	85	50	100	42	36	100
40	55	75	105	62.5	125	45	42	125
50	68	90	122	70	140	38	46.5	140

Notice:

The dimensions are nominal dimensions which are subject to tolerances.

Valve mounting screws (separate order)

Size	Quantity	Hexagon socket head cap screws	Material number
16	4	ISO 4762 - M8 x 30 - 10.9 Tightening torque MA = 35 Nm ±5 Nm	R913022205
25	4	ISO 4762 - M12 x 40 - 10.9 Tightening torque MA = 105 Nm ±15 Nm	R913022052
32	4	ISO 4762 - M16 x 50 - 10.9 Tightening torque MA = 265 Nm ±25 Nm	R913015664
40, 50	4	ISO 4762 - M20 x 60 - 10.9 Tightening torque MA = 500 Nm ±50 Nm	R913022102

Installation bore

(Dimensions in mm)

8	Port X
9	Port Y
10	Locating hole for locking pin
11	Depth of fit
12	Control dimension
13	Port B may be positioned around the central axis of port A. However, it must be observed that the mounting bores and the control bores are not damaged.
14	If a different diameter is used for port B than indicated, the distance from the cover support surface to the bore center must be calculated.

Installation dimensions according to DIN ISO 7368

NG		16	25	32	40	50
ØD1H7	mm	32	45	60	75	90
ØD2	mm	16	25	32	40	50
ØD3	mm	16	25	32	40	50
ØD3 max	mm	25	32	40	50	63
ØD4H7	mm	25	34	45	55	68
ØD5		M8	M12	M16	M20	M20
ØD6 max	mm	4	6	8	8	10
ØD7H13	mm	4	6	6	6	8
H1	mm	34	44	52	64	72
H1 1)	mm	29.5	40.5	48	59	65.5
H2	mm	56	72	85	105	122
H3	mm	43	58	70	87	100
H4	mm	20	25	35	45	45
H5 min	mm	11	13	13	15	17
H6	mm	2	2.5	2.5	3	3
H7 min	mm	20	30	30	30	35
H8	mm	2	2.5	2.5	3	4
H9 min 2)	mm	0.5	1	1.5	2.5	2.5
H10	mm	8	8	8	8	8
L1	mm	65	85	100	125	140
L2	mm	83	93	100	125	140
L3	mm	32.5	42.5	50	62.5	70
L4	mm	46	58	70	85	100
L5	mm	25	33	41	50	58
L6	mm	10.5	16	17	23	30
L7	mm	23	29	35	42.5	50

1)	Bore center at ØD3 max
2)	Control dimension

Size	Installation dimensions according to DIN ISO 7368
16	ISO 7368-BA-06-2-A
25	ISO 7368-BB-08-2-A
32	ISO 7368-BC-09-2-A
40	ISO 7368-BD-10-2-A
50	ISO 7368-BE-11-2-A

Notice:

Tolerances according to: General tolerances ISO 2768-mK

Valve amplifier
for proportional directional cartridge valve type 2WFC

VT-MRPA1-2X…WFC

Valve amplifier
for proportional directional cartridge valve type 2WFC

VT-MRPA1-2X…WFC

Component series 2X Suitable to control the pilot-operated proportional directional cartridge valve type 2WFC One amplifier for all valves of type 2WFC-1X Easy selection of the valves to be controlled according to sizes Characteristic curves of the valves stored in the device

Data sheet

Operating instructions

Spare parts & repair

Mating connectors for valves with connector “K4”, without circuitry, standard

3P Z4

Mating connectors for valves with connector “K4”, without circuitry, standard

3P Z4

For valves with connector “K4” according to EN 175301-803 and ISO 4400, 2-pole + PE, “large cubic connector” Mating connectors for valves with one or two solenoids (individual connection)

Data sheet

Spare parts & repair