BFW,BFWN type built-in proportional directional valveDetailed product description：

BFW, BFWN type built-in proportional directional valve technical parameters:

Overview	Valve model		BFW	BFWN
	Installation location		Any, it is recommended to prioritize horizontal installation
	Storage temperature	℃	-20~80
	Environmental temperature for use	℃	-20~70	-20~50
	Weight Kg	Diameter DN6	two	two point two
		Diameter DN10	six point six	six point eight
Hydraulic parameters	Work pressure port	Oil ports A, B, P	Up to 315
		Oil port T	Up to 210
	Rated flow rate qvnomAt p=10 bar	Diameter DN6 L/min	7, 15, and 26
		Diameter DN10 L/min	30，60
	Allow maximum flow rate Flow	Diameter DN6 L/min	42 (dual flow circuit can reach up to 80)
		Diameter DN10 L/min	75 (dual flow circuit can reach 140)
	Hydraulic oil	Mineral oil (HL, HLP) that complies with DIN51524 standard can be used with other fluids. Please consult us!
	Range of oil content in the medium	℃	-20~80 (preferably 40~50)
	Range of medium viscosity	mmtwo/s	20~380 (preferably 30~46)
	Oil cleanliness	The highest pollution level of oil is recommended according to NAS 1638 Level 9, with a filtration accuracy of β x ≥ 75 X=10
	hysteresis	％	≤5
	Response error	％	≤1
	sensitivity	％	≤0.5

Electrical parameters of electromagnet:

Valve model			BFW	BFWN
Voltage type			DC power supply
Equipped with BFWN setpoint signal	Voltage input A	V	±10	±10
	Current input F1	MA	4~20	4~20
Maximum current of each electromagnet		A	two point five	two point five
Electromagnetic coil resistance	Cold value at 20 ℃	Ω	two	two
	Maximum calorific value	Ω	three	three
Electricity rate	％		one hundred
Maximum coil temperature 2)		℃	Up to 150
Electrical wiring can be found on page 3		BFW	Equipped with sockets that comply with DINEN 175 301-803 and ISO440 standards
		BFWN	The plug complies with DINEN 175 301-803 and ISO440 Equipped with sockets that comply with EDIN 43563-AM6-3 standard
The protection form of the valve complies with the standard DIN40050			IP65

Electrical parameters of amplifier:

BFW type	European standard amplifier 3)		VT-VSPA2-1-1X/... parameter (RE) RC30112
	European standard digital amplifier 3)		VT-VSPD-1-1X Reference (RE) RC30123
BFWN type	Analog instruction module		As for the inside of the valve, refer to page 4
power supply voltage	Rated Voltage	VDC	twenty-four
BFWN	lower limit	V	21/22	nineteen
BFW1	upper limit	V	thirty-five
Current consumption of amplifier	/mqx	A	one point eight	one point eight
	Maximum pulse current	A	three	three

BFW, BFWN type built-in proportional directional valve