Description Size 6 Component series 6X Maximum operating pressure 315 bar Maximum flow 60 l/min Area of application in accordance with the Explosion Protection Directive 2014/34/EU: I M2; II 2G Area of application according to technical rules EAC TR CU 012/2011: I M2; II 2G Type of protection valve: – Ex h I Mb X according to EN 80079-38 – Ex h IIC T4 Gb X according to EN 80079-36 Type of protection, solenoid coil: – Ex db I Mb nach EN 60079-1 – Ex db IIC T4 Gb nach EN 60079-1 Solenoid coil certified according to IECEx Features 4/3-, 4/2- or 3/2-way version For intended use in potentially explosive atmosphere Porting pattern according to ISO 4401-03-02-0-05 Wet-pin DC solenoids Electrical connection with individual connection and cable gland With manual override Product description Directional valves of type WE are solenoid-actuated directional spool valves. They control start, stop and direction of a flow. The directional valves basically consist of housing (1), one or two solenoids (2), control spool (3), and one or two return springs (4). In the de-energized condition, control spool (3) is held in the central position or in the initial position by the return springs (4) (except for impulse spools). The control spool (3) is actuated by wet-pin solenoids in hydraulic fluid (2). For unobjectionable functioning, the hydraulic system has to be bled properly. The force of solenoid (2) acts via plunger (5) on control spool (3) and pushes the latter from its rest position to the required end position. This enables the necessary direction of flow from P → A and B → T or P → B and A → T. After solenoid (2) was de-excitated, the return spring (4) pushes the control spool (3) back to its rest position. A manual override (6) allows control spool (3) to be moved without solenoid energization. Without spring return "O" (only possible with symbols A, C and D) This version is a directional valve with two spool positions and two solenoids without detent. In the de-energized condition, there is no defined spool position. Without spring return, with detent "OF" (impulse spool, only possible with symbols A, C and D) This version is a directional valve with two spool positions, two solenoids and one detent. It alternately locks the two spool positions and the solenoid therefore does not need to be permanently energized. Notice: For design reasons, internal leakage is inherent to the valves, which may increase over the life cycle. Type 4WE 6 E6X/.B..NXDZ2/V Throttle insert The use of a throttle insert is required when, due to prevailing operating conditions, flows occur during the switching processes which exceed the performance limit of the valve. Type code 01 02 03 04 05 06 07 08 09 10 11 12 13 14 WE 6 6X / B G24 N XD Z2 / 01 3 main ports 3 4 main ports 4 02 Directional valve WE 03 Size 6 6 04 Symbols; for the possible version, see "Symbols/Circuit diagrams" 05 Component series 60 … 69 (60 … 69: unchanged installation and connection dimensions) 6X 06 With spring r
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