Proportional directional valve (BFWE 2X)

The 4/2-and 4/3-way directly operated Proportional directional valves,
Spool with electrical position feedback.

Nominal sizes DN6 and DN10
Component series 2X
Maximum operating pressure 315bar
Maximum flow 80L/min (DN6)
Maximum flow 180L/min (DN10)

Proportional Directional Valve (BFWE 2X)


Technical data (For application outside these parameters please consult with us)

Specification BFWE BFWNE
Installation position Optional, preferably horizontal
Storage temperature range (°C) -20~80
Ambient temperature range (°C) -20~70 -20~50


Tested under the condition of (P=100bar, Mineral oil HLP4+, 40°C±5°C)

Operating pressure (bar) Ports A, B, P 315
Port T 100

Nominal flow

Qvnom Max at p=10bar (L/min)

DN6 8 16 32
DN10 25 50 75
Flow (Max. Permissible) (L/min) DN6 80
DN10 180
Pressure fluid Mineral oil (HL, HLP) to DIN 51 524; For other fluid please consult with us.
Fluid temp. Range (°C) -20~80 (+40~+50 is preference)
Viscosity range (mm²/s) 20~380 (30~46 is preference)
Hysteresis (%) ≤0.1
Reversal span (%) ≤0.05
Response sensitivity (%) ≤0.05
Zero displacement will vary in pressure oil temperature and working temperature. %/100 (K) 0.15
%/100 (bar) 0.1
Cleanliness Maximum permissible degree of pressure fluid contamination to NAS 1638 to class 9 Recommended filter β10≥75



Voltage type Direct voltage
BFWN Command signal Voltage input “A1” (V) ±10 ±10
Current input “F1” (mA) 4~20 4~20
Max. Current per solenoid (A) 2.5 2.5
Solenoid coil Resistance (Ω) Cold value at 20°C 6DN2.7 10DN3.7
Max. Warm value 6DN4.05 10DN5.55
Duty cycle (%) 100
Max. Coil temperature2) (°C) up to 150
Electrical connection socket as per DIN EN 175 301-803 and ISO 4400 with component plug to DIN EN 175301-803 and ISO 4400 socket as per DIN EN 43 563-AM6-3 with component plug to DIN 43 563-BF6-3/Pg11
Insulation of valve to DIN 40 050 IP 65


Control electronics

BFW (type) Analogue amplifier in Eurocard format3) Details refer to proportional amplifier
Digital amplifier in Eurocard format3) Details refer to proportional amplifier
BFWN (type) Analogue command value module Integrated into the valves A1.4
Supply voltage



Rated voltage VDC 24
Lower limiting value V 21/22 19.4
Upper limiting value V 35
Amplifier current consumption Imax A 2 2
Max. Impulse current A 3 3


1) With HOYEA control amplifier.

2) Due to the occurring surface temperature of the solenoid coils, the European Standards DIN EN 563 and DIN EN 982.

3) Separate order.

See more...