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Rexroth R901212804 4WRTE35V1-1000L-46/6EG24ETK31/F1M 4WRTE35V1-1000L-4X/6EG24ETK31/F1M

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Address: RM 1902, EASEY BLDG., 253-261 HENNESSY ROAD, WANCHAI, HONGKONG

Contact name:Jason

Saar HK Electronic Limited

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Rexroth R901212804 4WRTE35V1-1000L-46/6EG24ETK31/F1M 4WRTE35V1-1000L-4X/6EG24ETK31/F1M

Country/Region	china
City & Province	shanghai hongkong
Categories	Solar Chargers

Product Details

Rexroth High-response directional valves, pilot operated, with electrical position feedbackand integrated electronics (OBE) 4WRTE

Size 10 … 35
Component series 4X
Maximum operating pressure 350 bar
Maximum flow 3000 l/min
Nominal flow 25 … 1000 l/min

Features
Reliable - proven and robust design
Safe
- Automatic pressure compensation in the control chambers of the main stage bythe pilot controlvalve
- Control spool of the main stage in the springcentered centralposition and/or in the offset position
- Optionally with spool position monitoring
Flexible - suitable for position, velocity and pressure control
Precise - high response sensitivity and little hysteresis

Technical data

For appliSAARions outside these parameters, please consult us!

general

Type		4WRTE
Size		10	16	25	27	32	35
Component series		4X
Installation position		any, preferably horizontal
Earth	kg	8.7	11.2	16.8	17	31.5	34
Ambient temperature range	°C	-20 … +50
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 g_RMS / 30 g peak / 30 min / 3 axes
Transport shock according to DIN EN 60068-2-27		15 g / 11 ms / 3 shocks / 3 axes
MTTF_D values according to EN ISO 13849 ¹⁾	Years	150
Damp heat according to DIN EN 60068-2-30		Variant 2: +25 °C … +55 °C, 90 % … 97 % relative humidity, 2 cycles á 24 hours

¹⁾	With symbol E, E1, W6 and W8; in longitudinal control spool direction, there is sufficient positive overlap without shock/vibration load; observe the installation orientation with regard to the main direction of acceleration.

hydraulic

Type				4WRTE
Size				10	16	25	27	32	35
Maximum operating pressure			bar	350			270	350
Maximum operating pressure	Port P		bar	350			270	350
	Port A		bar	350			270	350
	Port B		bar	350			270	350
Maximum operating pressure	Pilot control valve	Pilot oil supply ¹⁾	bar	25 … 315
Maximum return flow pressure	Port T	Internal pilot oil supply		static < 10 bar
	Port T	External pilot oil supply	bar	315	250		210	250
	Port Y			static < 10 bar
Nominal flow ²⁾			l/min	25 50 100	125 150 200 220	220 350	500	400 600	1000
Maximum flow			l/min	170	460	870	1000	1600	3000
Pilot flow ³⁾			l/min	7	14	20		27	29
Pilot volume 0 … 100%			cm³	1.1	2.9	6.8		17.7	33.9
Hydraulic fluid temperature range			°C	-20 … +80
	preferably		°C	+40 … +80
Viscosity range			mm²/s	20 … 380
	preferably		mm²/s	30 … 45
Maximum admissible degree of contamination of the hydraulic fluid, cleanliness class according to ISO 4406 (c) ⁴⁾				Class 18/16/13 according to ISO 4406 (c)
Hysteresis			%	≤ 0.1
Response sensitivity			%	≤ 0.05
Temperature drift			%/10° C	< 0.3

¹⁾	For perfect system behavior, we recommend an external pilot oil supply for pressures above 210 bar.
²⁾	qV nom ±10% with Δp = 5 bar/control edge; flow for deviating Δp see formula.
³⁾	At port X or Y with stepped input signal from 0 to 100% (315 bar)
⁴⁾	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		ClassifiSAARion	Suitable sealing materials	Standards	Data sheet
Mineral oils		HL, HLP, HLPD, HVLP, HVLPD	NBR, FKM	DIN 51524	90220
Bio-degradable	Insoluble in water	HETG	NBR, FKM	ISO 15380	90221
	Insoluble in water	HEES	FKM	ISO 15380
	Soluble in water	HEPG	FKM	ISO 15380
Flame-resistant	Water-free	HFDU, HFDR	FKM	ISO 12922	90222
Flame-resistant	Containing water	HFC (Fuchs Hydrotherm 46M, Petrofer Ultra Safe 620)	NBR	ISO 12922	90223
Important information on hydraulic fluids: For further information and data on the use of other hydraulic fluids, 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 40 K higher than the maximum solenoid surface temperature. ▪ Flame-resistant – containing water: ▪ Maximum operating pressure 210 bar ‐ Maximum pressure differential per control edge 175 bar ‐ Pressure pre-loading at the tank port >20% of the pressure differential, otherwise increased cavitation erosion ‐ Life cycle as compared to operation with mineral oil HL, HLP 50 … 100% ‐ Maximum hydraulic fluid temperature 50 °C ‐

electrical

Type			4WRTE
Voltage type			Direct voltage
Power supply	Nominal voltage	VDC	24
	Lower limit value	VDC	18
	Upper limit value	VDC	35
Maximum admissible residual ripple ¹⁾		Vpp	2.5
Maximum current consumption	of the amplifier	A	1.6
Maximum current consumption	of the amplifier (impulse current)	A	2.7
Maximum coil temperature ²⁾		°C	150
Duty cycle		%	100
Maximum power consumption			72 VA (average = 24 VA)
Required fuse protection		A_T	4 (time-lag)
Protection class according to DIN EN 60529			IP65 (with mating connector mounted and locked)
Zero point calibration ³⁾		%	≤ 1
Voltage input "A1" (differential input)	Measurement range	VDC	-10 ... +10
Voltage input "A1" (differential input)	Input resistance	Ω	100
Current input "F1"	Input current	mA	4 ... 20
Current input "F1"	Input resistance	Ω	100
Enable input "A5"	Low level	VDC	0 ... 2
Enable input "A5"	High level	VDC	> 11

¹⁾	Observe the absolute limit values of the supply voltage.
²⁾	Due to the surface temperatures of the solenoid coils, the standards ISO 13732-1 and ISO 4413 (contact protection) must be observed.
³⁾	Related to the pressure-signal characteristic curve (symbol V), ex works

Inductive position switch: Electrical connection

The electrical connection is realized via a 4-pole mating connector (separate order, see "Accessories") with connection thread M12 x 1.

Inductive position switch: Switching logics

Position switch on side A, monitored spool position "0"

➀	Central position (mechanical control spool overlap)
➁	Valve opening P→B
➂	Valve opening P→A

SAAR specialized in pumps, motors, valves, bearings, couplings, gearbox, engine spare parts, filter elements, fittings, connectors, electronic components and accessories, mobile equiupment spare parts.

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Saar HK Electronic Limited
Add: Rm 1506,28# Moyu Rd,Shanghai,China,201805
Tel: +86-21-5956 1370
Fax:+86-21-5012 3536
Email: jason@hydraulicpumpvalve.com
Skype: jason.saar
Mobile/WhatsApp: +8613918187448