Singlestage proportional directional valve main stage with position control had 6512 inhalt table of contents 1 features 1 ordering code 2 symbols 3 function, section 4 function, section, valve particularities 5 technical data for applications. The 3way pressure reducing valve type 3drep is directly operated. Proportional servo valves sign in register for free. Directional control valve 4wrpeh 522 re 29121, edition. The function of this valve design basically corresponds to the valve with three spool positions. Flow control valve 2frm, 2frh, 2frw 516 re 28389, edition. Proportional pressure reducing valves, direct operated. They are actuated by proportional solenoids with an integrated linear feedback to assure accurate positioning related to a command signal. Counterbalance valves introduction they are modulating valves which allow free flow into the actuator and then block the reverse flow until they feel a pilot pressure inversely proportional to the load in the pilot line. The pilot control stage consists of a proportional solenoid 1, the poppet 2 and the valve. Pvg 100 high flow options meet the increased demands for high efficiency and high flow solutions. Choose from a wide range of servo valve accessories, including supply pressure compensators and discharge isolator pressure compensators.
By means of these valves, the pressure to be limited can be continuously adjusted depending on. Wrh hydraulics bosch rexroth ag 524 function, section throttle insert see page 24 pilot valve type 3drep 6 the pilot valve is a proportional solenoid operated 3way pres. Basically, these valves consist of a pilot valve 1 installed in a common housing, with proportional solenoid 2 and the main spool insert 3. Troubleshooting proportional valves gpm hydraulic consulting inc. Valve types fese are pilot operated 2way proportional throttle valves for block installation for the infinitely variable control of a flow. They reduce the required wiring and simplify handling, with their integrated electronics obe, whilst providing exact reproducibility and a. They are used to limit the pressure in hydraulic systems. Progress fluid proportional valve rexroth bosch group george constantin. Typical control system of a proportional valve adapted from ref. Atos dhz0tl, dpz0le, erite bosch rexroth 4wreh6, 4wrp6, 3drep, 3drepe, 3fere50, 3wrc, 4wra, 4wrb, 4wrdd, 4wre, 4wrk, 4wrl, 4wrp, 4wrq. They basically consist of housing, proportional solenoid with. Please contact us if you dont see your unit listed, chances are we can still assist you. Our knowledge and expertise is invaluable in assisting your company with old and new series bosch rexroth servo and proportional valve repairs, as well as any of the standard directional, flow and pressure control valve repair and replacement needs.
Bosch rexroth proportional directional valves hydraulics online. This valve regulates pressure in proportion to the electrical command value. Size 6, porting pattern to din form a and iso, valve for reducing a system pressure. Bosch rexroth proportional and servo valves hydraulics.
Bosch rexroth proportional servo valve test equipment. General description each amplifier is identified as to the type of valve it was designed to control. May also be used as a 3way valve 5 different coils available to meet your requirements valve electronics are available separately standard plugin euro card design or integrated into the valve valve with integrated electronics are adjusted and tested as a unit ra 29 58606. General design spool valve, direct operated, with steel sleeve actuation proportional solenoid with position control, obe type of connection subplate mounting, porting pattern according to. Rexroth, the worlds most recognized manufacturer of. Proportional, highresponse and servo valves bosch rexroth. The supply and return flow to and from the actuator can be controlled with the help of an additional rectifier sandwich plate of type z4s 6 under the proportional flow control valve. They can control a flow, which is determined by an electrical command value, in a pressure and largely temperaturecompensated way. Rexroth proportional valve suppliers reliable rexroth.
Hydraulic proportional and servo valve operation, uses and types. The function of this valve version is basically the same as that of the valve with 3 switched positions. The pvg 100 distributes flow to multiple machine functions proportional to. Instead of the 2nd proportional solenoid, there is a plug screw 10. Check valve sandwich mounting ng10 qmax100lmin pmax350bar opening pressure0,5bar seal fkm leak free block in channel b b1 b2 bosch rexroth piloted check valve subplate mounting ng06 external pilot oil drain qmax60lmin pmax315bar opening pressure1,5bar seal nbr. We want to provide you with the best information possible. They reduce the required wiring and simplify handling, with their integrated electronics obe, whilst providing exact reproducibility and a low manufacturing tolerance at the same time. The pvg 16 is a hydraulic load sensing proportional valve group designed to give maximum flexibility in design and build concept.
Changes to the valves with spool position monitoring. If you must mount the valve rexroth type code of 4wra. A detailed model of a high power servomechanism containing a threestage nonlinear electro hydraulic proportional servo valve was designed by simulation, taking into account the real geometry of. Proportional valve spools nominal flows pressure drops power limits performance terms 4. Ets has over 25 years of sales and service experience with the bosch rexroth group in the u. Rexroth r900955887 hydraulic proportional pressure control. The supply and return flow to and from the actuator can be controlled with the help of an additional rectifier sandwich plate of type z4s under the proportional flow control valve. Goto proportional valves ships in 10 business days. Introduction to proportional servo valves full lecture. Bosch rexroth proportional and servo valves hydraulics online. Bosch rexroth free cad models proportional directional.
A plug 11 is fitted in place on the 2nd proportional solenoid. The model fec 2way electronic proportional cartridge valve is an adjustable orifice, the opening stroke of which is preset by means of an electronic input signal to the proportional solenoid. Rexroth analog amplifier of proportional valves vt50xx. In the cover 3 is the sleeve 4 with the main spool 5, the. Send us a qualifying competitors proportional valve and we will give. The 2 switched position valves are however, only fitted with solenoid a 5. Bosch rexroth r901115874 proportional directional valve jaes company. Check valve 5 allows the free return flow from b to a. Proportional directional valve, direct operated, with. Pdf designing the controller of a servo valve by simulation. Sep 24, 2016 well examine proportional valve performance data, specifically, flow rate as a function of applied voltage and discuss dead band, hysteresis, overlapped, and line to line spools, and observed non. All rights integrated valve electronics for type 4wrae. If one of the two solenoids 2 or 3 is excited, the magnetic force will move the valve control spool 4 towards the spring 5 or 6.
Your spare parts source in hydraulics, which is an international trading firm, in the netherlands, with extensive experience in worldwide sourcing and supplying of components of hydraulics and electronics. Dbeta proportional pressure relief valves are for high performance applications up to 5 lpm. They are used to limit the operating pressure in hydraulic systems. Pvg 100 proportional valves see how to tackle heavy loads. Repair your broken rexroth part we can repair your rexroth vt5012s in our facility. By varying the current to the valve coil the position of the spool changes. The 42 and 43 proportional directional valves are designed as direct operated devices in plate design. Proportional valves below is a list of proportional valve units we commonly stock and repair. Our portfolio includes proportional directional valves, proportional pressure valves, proportional flow valves, highresponse valves, servo valves and complemented by the valve accessories. Rexroth vt5012s proportional amplifiercard control system labs. Bosch rexroth r901115874 proportional directional valve. The valve consists basically of a housing 1, proportional solenoid 2 with inductive posistional transducer 3, valve seat 4 and valve poppet 5. The 2 spool position valves are, however, only equipped with solenoid a 7. Dbeta proportional pressure relief valve bosch rexroth usa.
Analog amplifiers in eurocard format for installation in 19 rack. The pvg 16 is designed as a load sensing directional control valve which will lead to increased application efficiency, reducing cooling requirements and fuel saving compared to conventional directional control valves. These valves basically consist of a pilot control stage and a main stage. In design terms it is a direct operated pressure relief valve of poppet design. Proportional directional valve, direct operated without electrical. The 42 and 43 proportional valves are directly controlled components of subplate mounting design. Are the solenoids pole tubes for directional valves, we6, sed610 and sew610 interchangeable. Available for solidworks, inventor, creo, catia, solid edge, autocad, revit and many more cad software but also as step, stl, iges, stl, dwg, dxf and more neutral cad formats.
Proportional flow control valve with integrated pressure. The digital onboard electronic is situated in a robust. Rexroth r978017756 directional hydraulic solenoid valve for. Electrohydraulic 4way directional servo valve model 4 ws 2. Jul 03, 2018 bosch rexroth r901115874 proportional directional valve jaes company. They are used to maintain a constant flow, mostly independent of pressure and temperature. Let our skilled technicians get your proportional amplifiercard back in operation quickly. A 2 1 t p b 14 9 7 3 5 6 4 8 12 11 418 4wree proportional directional valve bosch rexroth ag, re 29105, edition. Proportional, highresponse and servo valve accessories. Bosch rexroth amplifier cards for proportional valves. Bosch rexroth proportional, high response servo valves are used as directional valves, pressure valves and flow control valves. Find great deals for rebuilt rexroth 3drep 6 c25a24nzmr control.
The valves are available with either external control electronics model wrp or by integrated valve. With bosch rexroth industrial hydraulics you will always find the right solution. Rexroth hydraulic valve r electrically controlled proportional pressure control. Dbe6x proportional pressure relief valve, pilot operated. The ramps can be controlled by external voltage signals. Rts2stv is suitable for controlling servo solenoid pilot operated twostage valves. In a nonactuated state both actuators are connected to the tank. The 42 and 43 proportional directional valves are direct operated components of subplate. We provide rexroth proportional valve, rexroth servo valve, proportional servo valve. Use our convenient form at right to email us your question. Bosch proportional servo valve 0811 404 750 rexroth proportional valve 4wrpe 10 ea 80sj2xg24koa1m rexroth proportional valve 4wree 6 e0822g24k31a1v rexroth proportional valve 4wrle 16 v90p3xg24k0a1m bosch 0811 404 263. Model 4 ws, requires separate electronic amplifier to control this valve an external electronic control servo.
Proportional pressure relief valves onics catalog h142550us dd, ddp b10 parker hannin corporation hydr alv division elyr b general description series re06t ng6 proportional pressure relief valves are direct operated proportional solenoid valves with integral control electronics. The valve is supplied as a unit ready to install, in a standard logic cavity. Proportional servo valves bosch rexroth check valve sandwich mounting ng06 qmax40lmin pmax350bar opening pressure0,5bar seal fkm leak free block in channel t t1 t2. Pilot remote pressure control on axial piston pumps drg control a4v, a10v, a15v. Bosch rexroth proportional directional valves bosch rexroth proportional directional valves can be used as pressure valves and flow control valves with their integrated electronics obe they reduce wiring and simplify handling whilst providing exact reproducing and a low manufacturing tolerance at the same time. Electrohydraulic type weh hydraulic type wh for subplate mounting porting pattern to iso 4401 and nfpa t3.
For our customer, this eliminates the need for field nulling, biasing and tuning of a universal card to match requirements of the valve. Send us a qualifying competitors proportional valve and we will give you an additional 25% discount when you order. Size,6,10,component series,2x,maximum operating pressure,315 bar,4550 psi,maximum flow,42 lmin,11. Can a poppet valve, sed610 or sew610 be ordered with ac voltages or conduit boxes. The pilot control valve mainly consists of the housing 1, the proportional solenoid 2 and 3, the valve control spool 4 and springs 5 and 6.
Proportional pressure control valves bosch rexroth. Rexroth proportional servo valves, rexroth proportional valve. Is a poppet valve, sedsew, considered leak free in all conditions. Electrohydraulic 4way directional servo valve model 4 ws. Step 2 print the rma form and put it in a box with the parts for repair. The two purposes of a blocking valve in a proportional valve system the setting and troubleshooting of the hydraulic power supply components. Check valve 6 allows the free return flow from b to a. With their integrated electronics obe they reduce the required wiring and simplify the handling while at the same time providing exact reproducibility and. The valve can be ordered in conjunction with a separate electronic amplifier card model 4 ws, or it can also be ordered with the electronics integrated into the valve model 4 wse depending on what is best for the application.
Proportional directional valves hydac proportional directional valves are spool valves which continuously influence the path of a flowing medium depending on the electrical current. Proportional pressure reducing valve, direct operated. Servo and proportional valve repair precision fluid power. This keeps air bubbles from being trapped in the solenoid tube causing spool oscillation. How a four position, direct sol enoid operated proportional valve works. They employ a check valve for the free flow direction, a relief. Series changes valve upgrades bosch rexroth corporation hydraulics. Proportional valves pilot operated poppet type, 2way flow regulator not compensated common cavity, size 08 re 1832372 edition. The most common applicaton is 25 bar 360 psi on the 4wrze 1032 proportional directional valve. Step 1 click the green button above to add the part and complete the rma form. Directional seat valve hylogic cover ng16 with position switch. With these valves it is possible to steplessly adjust the system pressure to be limited depending on the electrical command value. Rexroth valves 4wrae, one of the 42 and 43 proportional directional valves, are designed as direct operated devices in plate design. The new pvg 100 high flow postcompensated valve raises port flows with less work pump margin of 15 bar 217 psi and lowers the return pressures.
Bosch rexroth hydraulics proportional servo valves. What documentation is available to aid in the selection of new series proportional or servo valves, to replace previous series, or obsolete. Generally, the valves consist of housing 1, orifice. Catalog h142550us proportional pressure relief valves onics. Function, section symbols proportional flow control valve simplified detailed rectifier sandwich plate. The dual solenoid modelc regulates port a or port b.
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