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R901195742 4WRZ16EA150-7X/6EG24N9ETK4/M-674 4WRZ16EA150-71/6EG24N9ETK4/M-674 Proportional Directional Valve

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M-674 Proportional Directional Valve

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Brand Name :	Rexroth
Model Number :	R901195742 4WRZ16EA150-7X/6EG24N9ETK4/M-674 4WRZ16EA150-71/6EG24N9ETK4/M-674
Price :	On request
Payment Terms :	T/T, Western Union
Supply Ability :	100PCS per month
Delivery Time :	7-10days

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R901195742 4WRZ16EA150-7X/6EG24N9ETK4/M-674 4WRZ16EA150-71/6EG24N9ETK4/M-674 Proportional Directional Valve

Rexroth 4WRZ Series Proportional directional valves, pilot operated, without electrical position feedback, without integrated electronics (OBE)

Size 10, 16, 25, 32, 52
Component series 7X
Maximum operating pressure 350 bar
Maximum flow 2800 l/min

Features
Pilot-operated, 2-stage proportional directional valves with integrated electronics (OBE)
Control of the direction and magnitude of a flow
Operation by means of proportional solenoids with central thread and detachable coil
For subplate mounting: Porting pattern according to ISO 4401
Optional auxiliary operating device
Spring-centered control spool

For appliSAARions outside these parameters, please consult us!

Technical data

General

Type			4WRZ
Size			10	16	25	32	52
Installation position			any, preferably horizontal
Ambient temperature range		°C	-20 … +70
Storage temperature range		°C	-20 … +80
Weight	For subplate mounting	kg	7.8	11.9	18.2	42.2	79.5
	for flange connection	kg					77.5
	with "D3"	kg	8.3	12.4	18.7	42.7	80
Sine test according to DIN EN 60068-2-6			10 cycles, 10…2000.. 10 Hz with logarithmic frequency changing speed of 1 octave/min, 5 to 57 Hz, amplitude 1.5 mm (p-p), 57 to 2000 Hz, amplitude 10g, 3 axes
Noise test according to DIN EN 60068-2-64			20…2000 Hz, amplitude 0.05g2/Hz (10gRMS) 3 axes, testing time 30 min per axis
Shock test according to DIN EN 60068-2-27			Half-sine 15g / 11 ms, 3 times in positive and 3 times in negative direction per axis, 3 axes
Damp heat according to DIN EN 60068-2-30			Variant 2: +25 °C … +55 °C, 90 % … 97 % relative humidity, 2 cycles á 24 hours

Hydraulic

Size				10	16	25	32	52
Maximum operating pressure			bar	315	350
Operating pressure range	External pilot oil supply		bar	30 … 100				20 … 100
	Pilot control valve without "D3", internal pilot oil return		bar	30 … 100
	Internal pilot oil supply		bar	100 … 315	100 … 350
Maximum return flow pressure	Port T and R, external pilot oil return		bar	315	250		150	250
	Port T, internal pilot oil return		bar	30
	Port Y		bar	30
Maximum flow			l/min	170	460	870	1600	2800
Nominal flow			l/min	25 50 85	100 125 150 180	220 325	360 520	1000
Pilot flow	input signal 0 → 100%	Port X and Y	l/min	3.5	5.5	7	15.9	7
Pilot volume	switching process 0 → 100%		cm³	1.7	4.6	10	26.5	54.3
Hydraulic fluid temperature range			°C	-20 … +80
	preferably		°C	-40 … +50
Viscosity range			mm²/s	20 … 380
	preferably		mm²/s	30 … 46
Maximum admissible degree of contamination of the hydraulic fluid, cleanliness class according to ISO 4406 (c) ¹⁾	Pilot control valve			Class 18/16/13 according to ISO 4406 (c)
	Main valve			Class 20/18/15 according to ISO 4406 (c)
Hysteresis			%	≤ 6

¹⁾	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.

Electrical

Size			10	16	25	32	52
Voltage type			Direct voltage
Command value overlap		%	15
Maximum solenoid current		A	1.5
Solenoid coil resistance	Cold value at 20 °C	Ω	4.8
	Maximum hot value	Ω	7.2
Actuated time		%	100
Maximum coil temperature ¹⁾		°C	+ 150
Protection class according to DIN EN 60529			IP65 (with mating connector mounted and locked)
Power supply		V	24
Supply voltage range		V	19.4 … 35

¹⁾	Due to the surface temperatures occurring at the solenoid coils, the European standards ISO 13732-1 and EN 982 need to be adhered to.

Hydraulic fluid	ClassifiSAARion	Suitable sealing materials	Standards
Mineral oils and related hydrocarbons	HL, HLP	NBR / FKM	DIN 51524
Flame-resistant - containing water	HFC (Fuchs HYDROTHERM 46M, Petrofer Ultra Safe 620)	NBR	ISO 12922
Important information on hydraulic fluids: For more information and data on the use of other hydraulic fluids please contact us. There may be limitations regarding the technical valve data (temperature, pressure range, life cycle, maintenance intervals, etc.). The flash point of the process and operating medium used must be 40 K over the maximum solenoid surface temperature. Flame-resistant - containing water: Maximum pressure differential per control edge 175 bar Pressure pre-loading at the tank port > 20 % of the pressure differential, otherwise increased cavitation Life cycle as compared to operation with mineral oil HL, HLP 50 % to 100 %

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
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Email: jason@hydraulicpumpvalve.com
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R901195742 4WRZ16EA150-7X/6EG24N9ETK4/M-674 4WRZ16EA150-71/6EG24N9ETK4/M-674 Proportional Directional Valve

R901195742 4WRZ16EA150-7X/6EG24N9ETK4/M-674 4WRZ16EA150-71/6EG24N9ETK4/M-674 Proportional Directional Valve

Technical data

General

Hydraulic

Electrical

R901195742

Directional Rexroth Hydraulic Valves

R901195742 4WRZ16EA150-7X/6EG24N9ETK4/M-674 4WRZ16EA150-71/6EG24N9ETK4/M-674 Proportional Directional Valve