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Technical Parameter

Industry Application

• Pilot operated bipolar valve, used for controlling flow rate and flowing direction of fluid

• Control valve spool spring centering alignment

• Optional built-in amplifier

• Thread connected proportional electromagnet with detachable coil

• Suitable for metallurgical industry, etc.

ADD: Address: No. 81, Zhuhang Road, Minhang District, Shanghai（Shanghai Lixin Hydraulics Co 91精品国产综合久久香蕉蜜桃. , Ltd. ).

TEL: 021-31616718 Tel: 021-31616718, ext 国产91精品新入口. 8000 ( reception ).

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Proportional/Servo Valve
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GeneraL
Valve type				WRZ		WRZE
Installation				Optional,preferably horizontal
Storage temperature range			℃	-20 to +80
Ambient temperature range			℃	-20 to +70		-20 to +50
Weight		NS 10	kg	7.8		8
		NS 16	kg	13.4		13.6
		NS 25	kg	18.2		18.4
		NS 32	kg	42.2		42.4
Hydraulic (measured with HLPAG.p=100bar : 40 ℃ ± 5 ℃)
Size				10	16	25	32
Operating pressure	Pilot valve	External pilot oil supply	bar	30 to 100 bar
		Internal pilot oil supply	bar	100 to 350 with "D3" only
	Main valve		bar	to 315	to 350	to 350	to 350
Return pressure	Port T (Port R) (external pilot oil drain))		bar	to 315	to 250	to 250	to 150
	Port T (internal pilot oil drain)		bar	to 30	to 30	to 30	to 30
	Port Y		bar	to 30	to 30	to 30	to 30
Pilot oil volume input signal 0- 100 %			cm³	1.7	4.6	10	26.5
Pilot oil flow in port X and Y with a stepped input signal 0- 100 %				3.5	5.5	7	15.9
Flow of the main valve			L/min	to 170	to 460	to 870	to 1600
Hydraulic fluid			L/min	Mineral oil (HL, HLP) to DIN 51524 Further fluids on enquiry
Hydraulic fluid temperature range			℃	-20 to +80(preferably +40 to +50)
Viscosity range			mm²/s	20 to 380(preferably 30 to 46)
Degree of contamination	Maximum permissible degree of contamination of the pressure fluid is to NAS 1638 or ISO 4406(c)				A filter with a minimum retention rate of βx ≥ 75 is recommended
Pilot valve	NAS 1638 class 7				x=5
Main valve	NAS 1638 class 9				x=15
Hysteresis			%	≤6
Electrical
Valve type				WRZ		WRZE
Type of protection of the valve to EN 60529				IP65 with cable socket mounted and locked
Voltage type				DC
Command value overlap			%	15
Max. current			A	1.5
Solenoid coil resisance	Cold value at 20℃		Ω	4.8		2
	Max. warm value		Ω	7.2		3
Cyclic duration factor			%	100
Coil temperature			℃	to 150
Valve protection to EN 60529				IP65
Control electronics
External amplifier for type WRZ				VT- VSPA2-1 C-1X/...
Command value signal		-Voltage input "A1"	V	10
		--Current input "F1"	mA	4 to 20

Mining Truck

Horizontal Directional Drilling

Truck Crane

Excavator

Concrete Pump

Aerial Work Platform

Forging Presses

CNC Bending Machines

Die Casting Machine

Injection Molding Machines

Metallurgy

Port Machinery

Offshore Equipment

Wind Power

Water Conservancy Industry

Wet Spraying Machine

Shield tunneling

© 2023 Shanghai Lixin Hydraulics Co., Ltd. copyright

ICP: hu13042344

4WRZ/H(E) Series

Pilot Operated Proportional Directional Valve

• DN 10, 16, 25, 32• Maximum flow rate: 1,600 L/min• Maximum pressure: 350 bar

Download： Sample download

Product Advantages

Technical Parameter

Industry Application

Metallurgy

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• DN 10, 16, 25, 32
• Maximum flow rate: 1,600 L/min
• Maximum pressure: 350 bar