Proportional directional valve

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The two position four-way and three position four-way proportional directional valves are directly controlled and have a plate structure; Operated by a proportional electromagnet with a central thread, the coil can be disassembled separately, and the control of the electromagnet can be achieved through an external amplification board (model 4WRE) or an integrated amplification board (model 4WREE).

Product advantages

Directly controlled proportional directional valve with displacement electrical feedback and integrated amplification board (OBE) (for model P4WREE); Closed loop control of flow direction and magnitude; The control of the valve is achieved through a proportional electromagnet with a central thread, and the coil can be disassembled separately; For bottom plate installation: The installation surface shall be ordered separately according to ISO 4401 bottom plate; The control valve spool is centered by a spring; Electric controller P4WREE; Integrated amplifier board (OBE) with voltage input or current input (A1 resp. F1); P4WRE (three digit four-way model), separately ordered: digital or analog amplifier, European card standard; Modular analog amplifier; P4WRE... A (two-way four digit model), ordered separately: modular analog amplifier.

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产品介绍

Product Overview

Technical Parameter

Technical parameter
Summary
Path diameter			6	10
Installation location			Any, it is recommended to prioritize horizontal installation
Storage temperature range		℃	-20~+80
Usage environment	P4WRE	℃	-20~+70
Temperature range	P4WREE	℃	-20~+50
Weight	P4WRE	Kg	2.2	6.3
	P4WREE	Kg	2.4	6.5
Hydraulic (measured at P=100bar, HLP46,=40 ℃± 5 ℃)
Maximum work pressure	Oil ports A, B, P	bar	315
	Oil port T	bar	210
When the nominal flow rate is ∆ p=10 bar		L/min	8,16,32	25,50,75
Maximum allowable traffic		L/min	80	180
Oil fluid			Mineral oils (HL, HLP) that comply with DIN51524 standards and other fluids, please consult our company!
Liquid temperature		℃	-20 to+80 (priority is given to+40 to+50)
Viscosity range		/s	20 to 380 (preferably 30 to 46)
The maximum allowable pollution level for viscous oil According to ISO4406 (c)			Grade 20/18/15
Hysteresis loop		%	≤ 0.1
Reverse interval		%	≤ 0.05
Reaction sensitivity		%	≤ 0.05
Zero displacement will depend on the pressure oil Changes in temperature and operating temperature		%/10K	0.15
		%/100bar	0.1

Electrical parameters
Path diameter			6	10
Voltage type			DC
Command value signal Model P4WRAE	Voltage input, A1 "	V	±10
	Current input, F1 "	mA	4 bis 20
Electromagnetic coil resistance	At 20 ℃	Ω	2.7	3.7
	Max	Ω	4.05	5.55
Electricity rate		%	100
Maximum coil temperature		℃	150
Electrical connection	P4WRE		Equipped with sockets that comply with DIN EN 175301-803 and ISO 4400 standards
			The plug complies with DIN EN 175301-803 and ISO 4400
	P4WREE		Equipped with sockets that comply with DIN EN 175201-804 standard
			The plug complies with DIN EN 175201-804
Valve protection level according to EN 60529			IP 65 plug installed and locked

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