Description Size 6, 10 Component series 3X Maximum operating pressure 315 bar Maximum flow 180 l/min Nominal flow 4 … 75 l/min Features Direct operated high-response directional valve with integrated control electronics (OBE) for the control of flow direction and size Suitable for position and velocity control Operation by means of control solenoids Electrical position feedback High response sensitivity and low hysteresis Integrated electronics (OBE) For subplate mounting: Porting pattern according to DIN 24340 form A and ISO 4401 Product description The 4/3 directional control valves are designed as direct operated devices in plate design. Operation is effected by means of control solenoids. The solenoids are controlled via integrated control electronics (OBE). Set-up: The valve basically consists of: Housing (1) with connection surface Control spool (2) with compression springs (3 and 4) Solenoids (5 and 6) Position transducer (7) integrated control electronics (OBE) (8) Zero point adjustment accessible via Pg9 cover (9) With de-energized solenoids (5 and 6), central position of the control spool (2) by compression springs (3 and 4) Direct operation of the control spool (2) by energization of a control solenoid Displacement of the control spool (2) to the left, proportionally to the electric input signal Connection from P → A and B → T via orifice-type cross-sections with linear flow characteristics Switching off the solenoid (6) Functional description: e.g. control solenoid "b" (6) The compression spring (3) brings the control spool (2) back into the central position In the de-energized condition, the control spool (2) is held in a mechanical central position by the return springs of the solenoids. With control spool symbols “V” and “Q”, this position does not correspond to the hydraulic central position! When the electric valve control loop is closed, the control spool (2) is positioned in the hydraulic central position. 4WRSE 10 Type code 01 02 03 04 05 06 07 08 09 10 11 12 13 4WRS E ‒ 3X / G24 K0 / V * 01 High-response directional valve 4WRS 02 With integrated control electronics E 03 Without sleeve no code 04 Size 6 6 Size 10 10 05 Symbols; for the possible version, see "Symbols/Circuit diagrams" V, V1-, Q2- Installation side of the inductive position transducer 06 no code C Rated flow at 10 bar valve pressure differential 07 Size 6 4l/min 04 1) 10 l/min 10 20 l/min 20 35 l/min 35 Size 10 25 l/min 25 50l/min 50 75 l/min 80 08 Component series 30 ... 39 (30 ... 39: unchanged installation and connection dimensions) 3X Supply voltage of the control electronics 09 Direct voltage 24 V G24 Electrical connection 10 Without mating connector, connector according to DIN EN 175201-804 K0 Electrical interface 11 Command value input ±10 VDC A1 Command value input 4 ... 20 mA F1 Seal material 12 FKM seals Suitable for mineral oils (HL, HLP) according to DIN 51524 and phosphoric acid ester (HFD-R) V 13 Further details in the plain text * 1) Only for symb
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