A valve is designed to control the direction of movement of a work cylinder or the direction of rotation of a fluid motor. It has one way for pump p, one for reservoir r or tank t and two for the inlet to the actuator. Wh directional spool valves, direct operated with solenoid actuation. Actuation by proportional solenoids with a central tube and removable coil. Directional controls soft shift directional control valve. We is a solenoid operated directional spool valve influencing the switching time. Rexroth we directional valves are between the hydraulic control system and electrical control system conversion elements, it utilizes the suction of both ends of the solenoids to achieve the movement of the spool in valve house, in order changing the on or off of the oil tunnels, which called direction control. We specialize in daikin directional control valves also called flow control valves that securely control hydraulic fluid flow. A directional control valve is the extend and retract control for your hydraulic cylinders. Directional spool valves, direct operated, with solenoid. These valves can vary in size depending on the diameter of the production bore or annulus bore.
Spool switching is by on off solenoids with a central tube and removable coil. Poppet type valves are known for their extremely low. The most common directional control valve is a 43way valve, which means the valve has four working ports and three spool positions, in accordance with din iso 1219. Hydraulic valves industrial standard parker hannifin. Directional control valves for hydraulic and pneumatic systems are similar in design and operation. They can be double acting or spring actuated gate valves. As the coil sitting on the operator tube is supplied with sufficient electric current the plunger is lifted. They direct the flow of fluid along different paths from one or more supplies. All feature adjustable differential poppet relief and all feature a load check.
Directional control manufacturers, service companies and distributors are listed in this trusted and comprehensive vertical portal. These directional valves basically consist of housing. Proportional solenoid operated directional spool valve. A 3position, 4way valve stops an actuator or allows it to float. Dg3vp3, dg4vp3, cvua6 20 design solenoid operated poppet type directional valve dg34vp3 subplate mounted model.
The valve is adaptable to many types of service applications. At northern hydraulics we stock a variety of cross hydraulic control valves and valve replacement parts. Cross valves in this series feature up to a 30 gpm flow capacity and up to 3000 psi working. Directional controls manually operated directional valves e manually operated directional valves. Hyquip supply the entire range of directional valves by bosch rexroth for use on a wide range of industrial manufacturing applications. What is the flow pattern for a double acting system. Cross b series directional control valves northern hydraulics. Directional control valve hydraulic valves and parts. Rexroth 4we6j6xew110n9dk25 hydraulic valve directional r9000212464 new they control the start, stop, and direction of a flow. Vickers directional controls directional control valves. Series d3 hydraulic directional control valves are high performance, direct operated 4way valves, available in. Mass flow rate control valve proportional valve pneumatic valve work port these keywords were added by machine and not by the authors. Electrohydraulic type weh hydraulic type wh for subplate mounting porting pattern to iso 4401 and nfpa t3.
The dg4s40160s series valve is a solenoid operated directional control valve using special solenoids, a unique spool configuration and a rectifier package. Added to the catalog are the new series do10br and do15br miniature. This opens the valve seat in the pilot valve and pilot air is fed to the left side of the spool. Pilot pressure range 1,000 to 9,000 psi, pilot connection. Directional control valves are designed for a variety of applications, companies might use a single type of valve for any specific task, or they might use a combination of multiple types of directional control valves to carry out a particular task. Rexroth 4we6j6xew110n9dk25 hydraulic valve directional. Directional control valve credits oceaneering gate valves. Ruggedness of design, manufacturing quality, and worldwide parts and service availability maximize uptime, resulting in greater profits for your company. Directional spool valves connect or isolate the connections by moving a control spool in a housing bore. Proportional directional control valves springerlink. Solenoid controlled pilot operated directional control valve these valves are composed of a solenoid operated pilot valve and a pilot operated slave valve. Two position valves consist of one coil and spring, three position valves utilise two coils and two springs.
We6 directional spool valves, direct operated with solenoid actuation. This version is a directional valve with 2 spool positions and 2 electronic solenoids without detent. Hydac offers a comprehensive product portfolio of directional valves spool and poppet type, operated directly or pilotoperated and with different operating modes. Bushing valve bud bu050x0375 from checkall valve mfg. Rexroth 4we6 3position j spool cmaflodynehydradyne. The different sections inside the body of the main valve are separated by seals pressing onto the spool green. The bushing valve is a check valve with a standard bushing housing. Pressure port size list price q35103a1m1 q35fsn103a1m1 40 lpm 10 us gpm 300 bar 4350 psi 34 uno q35. A b p t a b p t ab p t ab p t 2b2a 2b3a 2b4a 2b40a 2b5a 2b6a 2b60a 2b7a 2b8a 2b9a 2b10a 2b11a 2b12a 2b2b 2b3b 2b4b 2b40b 2b5b 2b6b 2b60b 2b7b 2b8b 2b9b 2b10b 2b11b 2b12b valve type valve type graphic symbols graphic symbolsmodel dmt03 dmg03 dmt. Basic fourway sliding spool directional valve construction vickers valve bodies have a precision machined bore in. If the valve is to be screwed directly into a hydraulic cylinder, please order vsm 11. Manually operated directional valves houston hydraulic. Without spring return with of detent only possible with symbols a, c and d. It provides a flow path from the pump to the cylinders and a return path from.
It has very little restriction and produces a low pressure drop. This process is experimental and the keywords may be updated as the learning algorithm improves. The rectifier package is enclosed within the terminal box and is protected against electrical surges with a m. The main valve is piloted by a direct acting 32way normally closed poppet valve that is supplied with air. Directional valves type we are solenoid operated directional spool valves. Directional control valves rd5000 series directional. Directional spool valves, direct operated, with solenoid actuation features 43, 42 or 32 dir ectional design highpo wer solenoid p orting pattern according to iso 44010504005 and nfpa t3. Solenoid controlled pilot operated directional valve.
The return port of a hydraulic valve is ported through a return line to the reservoir, while the similar port of a pneumatic valve, commonly referred to as the exhaust port, is usually vented to the atmosphere. It provides a flow path from the pump to the cylinders and a return path from the cylinders to the fluid reservoir. We10 directional spool valves, direct operated with solenoid. China rexroth directional valves manufacturer, rexroth. All spools are pressurebalanced for smooth, positive valve actuation. Directional spool valves, direct operated, dimensions 18 with. Hydraulic valve division elyria, ohio 44035 usa bulletin hy142597b1us 2597b1. Proportional directional control valves oleosistemas. The most common form of directional control valve is a cylindrical body with a spool inside that is moved in and out by either mechanical, electrical or hydraulic me.
If the valve is to be combined with the directional valve of a power pack please order vsm 21 see photo on page 38. In basic position air is allowed to flow from 1 to 2. The new version has increased by 50 percent to 144 pages, and covers many of the most popular directional control valve lines. To download the appropriate instruction manual please click on the desired series. The comprehensive directory provides access to full contact and ability information for sourcing professionals, engineers and researchers wishing to get information on valves. Pilot operated highresponse 43 directional control valve size 10 to size 27, with control spool and bushing in servo quality. Bis valves products directional control valve 6b37h.
Technical data 33way 44way size 10 spool type series 1010 3030solenoid coils with thread connection no codewith spring return. Sep 29, 2016 this feature is not available right now. The valve without spring return at the control spool 3 has no defined basic position in the deenergized condition. A 5way valve performs the same function as a 4way valve. A four port valve is normally required for double acting systems. Pilot operated directional control valves are designed to achieve a high flow rate of up to 600 l min. A 3position, 4way valve is more common in hydraulic circuits. Direct solenoid operated spool valve, standard version. Directional control valves explained epneumatic blog. Model code recommended maximum flow recommended max. Directional control valves are one of the most basic components in any hydraulic circuit. The valve solenoids can be driven by a variable current power supply or by use of external power amplifier cards designed to maximize the valves performance. Optional externallyadjustable relief valves are available for working pressures up to 5,000 psig 345 bar. Directional valves are devices used to change the flow direction of fluid within a hydraulic circuit.
All these designs are divided into designs, like a spool, sliding seal, poppet, diaphragm and rotary. The 5way valve is found most frequently in air circuits. If the valve actuator requires pressure to either open and close the valve, then such type of valve is called double acting valve. We series directional control valves are solenoid operated directional spool valves, these valves are used to the start, stop and direct flow. It controls the start, stop and direction of a flow. Cross b series valves are 3position, 4way valves with 1 to 3 spools. Directional control valves smc corporation of america.
Chapter 4 structure and function of directional valves. We10 directional spool valves, direct operated with solenoid actuation. Manual levercamplunger valves these valves are available in. Specific examples of control valves we carry include. The main valve is piloted by a direct acting 32way normally closed poppet valve that is supplied with air from the main valve. Vickers directional valves offer versatility of applciation for the many directional control requirements of hydraulic machinery. Besides that ports 4 and 5 exhaust port are connected. Valve plate is installed between the valve and the supply manifold. A directional control valve comprises at least two spool switching positions and two working ports. Continental hydraulics proportional valves directional. Yuken hydraulic products yuken solenoid directional. Directional control valve options provided by energy. Directional control valve flow control valve all world. Solenoid directional control valves cetop03 ng6 description the 4we6 valve consists of a steel body, a control spool with two centering springs and operating solenoid coils.
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