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The PROPORTIONAL DIRECTIONAL VALVE 4WRAE6W07-2X/G24K31/F1V is another example of a high-pressure pneumatic valve designed for demanding industrial applications requiring precise control and motion. Produced by German manufacturer Festo, this proportional direction valve belongs to their DLP series of digital proportional valves. The 4WRAE6W07-2X/G24K31/F1V offers several key features including digital input/output signals, integrated diagnostics, and intelligent software functions for enhanced operation and maintenance. It also boasts excellent flow characteristics, low leakage, and fast response times, making it suitable for a wide range of applications ranging from mobile robotics and automation equipment to aerospace testing facilities. Like most festo valves, the 4WRAE6W07-2X/G24K31/F1V operates via a modulated pulse width signal (MPWM) which allows for simple interface integration with various types of controllers and drives. However, it's worth noting that due to its high price point, this type of valve might not be feasible for every project unless there is a clear need for its precision capabilities and extensive functionality. Always consider whether the added costs of these higher-end components are justified based on the specific demands of your application and budgetary constraints before deciding upon them.
The Bosch Rexroth 4WRAE6W07-2X/G24K31/F1V (R900778280) is a high-performance industrial hydraulic valve that offers reliable control of oil flow direction in accordance with its spool symbol W. This direct-actuated spool valve features integrated electronics for electrical actuation and a concealed manual override for auxiliary actuation. It is designed for subplate mounting with a connection pattern conforming to ISO standards and utilizes a connector pole PE for its electrical connections as per EN requirements. This valve operates by utilizing proportional solenoids with central threads and detachable coils, which are controlled via the integrated electronics, ensuring precise manipulation of the control spool in proportion to the electrical input signal. The device has two spool positions and is capable of switching from P to A and B to T through orifice-type cross-sections, providing progressive flow characteristics. The 4WRAE6W07-2X/G24K31/F1V is equipped with FKM seals, making it suitable for use with various hydraulic fluids such as HL, HLP, HLPD, HVLP, HVLPD, HETG, HEES, HEPG, HFDU, and HFDR. It offers analog connectivity with a command value range of 4-20 mA and operates on a supply voltage of 24 VDC. Its design ensures maximum operating pressure up to bar and can handle nominal flow rates efficiently. This valve's construction includes a housing with connection surfaces, a spring-centered control spool supported by compression springs for stable operation in the neutral position when deenergized. The product is part of Component series X and comes in size , making it versatile for various industrial applications where precise flow control is required without electrical position feedback.
PROPORTIONAL DIRECTIONAL VALVE 4WRAE6W07-2X/G24K31/F1V
Size 6, symbol W, electrical with integrated electronics, 24 V DC
Industrial hydraulic valve in a high performance range, reliable control of oil flow direction according to hydraulic symbol.
Unpacked Weight: 2.220 kg
The 4/2 and 4/3 proportional directional valves are designed as direct operated devices in plate design. Operation by means of proportional solenoids with central thread and detachable coil. The solenoids are controlled via integrated electronics.
The valve basically consists of:
Housing (1) with connection surface Control spool (2) with compression springs (3 and 4) Solenoids (5 and 6) with central thread Integrated electronics (7)
With de-energized solenoids (5 and 6), central position of the control spool (2) due to compression springs (3 and 4) Direct actuation of the control spool (2) by energization of one proportional solenoid, e. g. energization of solenoid "b" (6) Control spool (2) is moved to the left in proportion to the electrical input signal Connection from P to A and B to T via orifice-type cross-sections with progressive flow characteristics Switching off of the solenoid (6) Control spool (2) is returned to the central position by the compression spring (3) 
The function of this valve version basically corresponds to the valve with three spool positions. This 2 spool position valve is, however, only equipped with solenoid “a”. Instead of the 2nd proportional solenoid, there is a plug screw (8.1) with NG 6 or a cover (8.2) with NG10.
The tank line must not be allowed to run empty. With corresponding installation conditions, a preload valve (preload pressure approx. 2 bar) must be installed.
