Description Size 6, 10 Component series 3X Maximum operating pressure 315 bar Maximum flow 180 l/min Nominal flow 4 … 100 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, velocity and pressure control purposes 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 With Fail-safe position for 4/4-directional control valve Product description 4/4 directional design In principle, the function of these valves corresponds to the function of the 4/3-way version. With de-energized solenoid, the control spool is, however, held in a fail-safe position by a compression spring. The 4/4 directional control valves are designed as direct operated devices in plate design. Operation is effected by means of control solenoid. The solenoid is controlled via integrated control electronics. Set-up: The valve basically consists of: Housing (1) with connection surface Control spool (2) in sleeve (3) with compression springs (4) Solenoid (5) and cover (6) Position transducer (7) Integrated control electronics (8) Zero point adjustment accessible via Pg9 (9) With de-energized solenoid (5), fail-safe position of the control spool (2) by compression spring (4) Direct operation of the control spool (2) by energization of a control solenoid (5) Displacement of the control spool (2) proportionally to the electric input signal Connection from P to A and B to T via orifice-type cross-sections with continuous or inflected linear flow characteristics Switching off the solenoid (5) The compression spring (4) brings the control spool (2) back into the fail-safe position Functional description: e.g. control of the solenoid The 4/3 and 4/4 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. Set-up: The valve basically consists of: Housing (1) with connection surface Control spool (2) in sleeve (3) with compression springs (4 and 5) Solenoids (6 and 7) Position transducer (8) Integrated control electronics (9) Zero point adjustment (10) accessible via Pg9 With de-energized solenoids (6 and 7), mechanical central position of the control spool (2) by compression springs (4 and 5) 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 to A and B to T via orifice-type cross-sections with continuous or inflected linear flow characteristics Switching off the solenoid (7) The compression spring (4) brings the control spool (2) back into the central position Functional description: 4/3 directional design e.g. control soleno
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