The following is a sample of the range of huade valves. Because hydraulic actuated systems are manufactured in a variety of. The rexroth type h controlair valves are a family of pneumatic pressure regulating, directional valves. If control components are not properly selected, the entire system will fail to deliver the required output. Pressure valves influence the system pressure in a system by means of mechanical or hydraulic modification of crosssections. 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. Sun hydraulic valves can operate at 5000 psi assembled in a steel manifold, steel sandwich body or an inline threaded steel body. If aluminum is used, the assembly will be limited to 3000 psi.
Control components in hydraulic system one of the most important functions in any fluid power system is control. The pressure reducing valves basically comprise of a main valve 1 with main spool insert 3 and pilot control valve 2 with pressure adjustment element. Check valves and prefill valves are a type of nonreturn valve. Valves are used on hydraulic pumps and air compressors to control fluid direction, pressure, and flow rate. Directional spool valves, direct operated, with solenoid. Hydraulic valve repair, bosch, continental, denison, parker. With sequence valves, you can rest easy knowing that neither actuator will result in damage to the other. This page is just a snapshot of the valves we carry and that are on the market. Double relief valves hydraulic valves dalton hydraulic. Rexroths valves for pneumatics come in an array of shapes and sizes that can serve a variety of purposes. This is where we come in our valve departments have the technical expertise and necessary equipment to repair and remanufacture hydraulic valves at a substantial cost savings compared to new. Pdf digital hydraulics is an ongoing trend that offers many interesting advantages and. In the case of stationary hydraulics, however, mainly solenoid valves are used. Use this comprehensive vertical portal to find gas hydraulic valves, as well as marine, mobile, proportional and used hydraulic valves.
Versatile three and fourway pressure regulating valves or a combs nation of pressure regulating and nonregulating threeway valves. We also supply the complete range of huade hydraulic valves. We have a broad range of hydraulic valves including air operated hydraulic valves, 2 way, 3 way, aviation and electric hydraulic valves. Counterbalance valves can be used with paired cylinders. Features internal adjustment ideal for tamperproof applications. The hydac pressure valve programme encompasses practically all pressure control functions which are used in hydraulics. Even if a system features no risk of actuator damage, a sequence valve is a great way to simply control the actions of the actuators themselves. Bosch rexroth pneumatic valves bosch rexroth is a technology and engineering manufacturer that creates components for various hydraulic systems and applications. The sun hydraulic family of hydraulic cartridge valves includes directional, pressure, and flow control. Electronic loadsensing for tractors rwth publications. The valve opens when the system pressure exceeds the pressure at which the valve is set.
Bosch rexroth ag is an engineering firm based in lohr am main in germany. Compact hydraulics product selection guide bosch rexroth. Harmonisation of product range rexroth onoff valves. Hydraulic valves hydraulic ball, cartridge, spool, solenoid.
Hyquip supply the entire range of prefill valves by bosch rexroth for use on a wide range of industrial manufacturing applications. The flash point of the hydraulic fluid used must be 40 k higher than the maximum solenoid surface temperature. Pdf investigation of a digital hydraulic actuation system on an. January 2016 page 1 of 2 hydraforce relief valve selection guide this document is 2015 hydraforce inc. Our mining hydraulic valves are developed to suite general water supply, fire protection and irrigation needs. Hydraulic pilot operated check valves 36 double throttle check valves of sandwich plate design 38. Hydraulic cartridge valves sun screwin valves rexroth din. Hydraulic and pneumatic valves minneapolis, mn rapid city, sd.
This unit is a direct acting, screw in cartridge style, spool type, adjustable, soft shift shock free, hydraulic hilo pressure sequence valve. With our combined expertise, capabilities, and inventories we have the largest offering in the industry of remanufactured, aftermarket, and oem hydraulic components and parts. Solenoid operated directional spool valves directional valves type we are solenoid operated directional spool valves. Pressure valves type dr are pilot operated pressure reducing valves that are controlled from the secondary circuit. The authorisation is conditional upon the sale of boschs radial piston pumps business to prevent a dominant position in the market for hydraulic piston pumps. Rexroth hydraulic valves attica hydraulic exchange, inc. The following is a list of the latest product catalogs from mobile hydraulics. Hydac offers both direct acting and pilotoperated pressure valves in this area. Rexroth learnworld, whether special practical training or also blended learning. We should remember always that hydraulic systems are high pressure systems and pneumatic systems are low pressure systems. Welcome to the premier hydraulic valves industrial resource.
Directional valves controlling the flow direction and thus the direction of movement or rotation of hydraulic actuators directional seat valves or spool valves, direct operated or pilot operated. Merger of mannesmann rexroth ag and bosch automation technology to form bosch rexroth ag. Use and operation made up by 2 relief valves, the double relief valve provides overload protection in 2 lines hydraulic circuits with 1 tank. The main component designed as a cartridge valve 1 is inserted into a cavity which is standardised to din iso 7368 and is sealed by the control cover 2. Compact hydraulics offers a complete range of screwin type cartridge valves designed to meet any request of mobile and industrial applications such as construction, agriculture, material handling, commercial and municipal. The brand hydraulic inline relief valve is a readytoinstall adjustable ball springtype relief valve that wont jam, lock or seize and always opens to help protect your hydraulic system from excess pressure. The els app developed by bosch rexroth enables the hydraulic. At bosch rexroth you will find the largest intelligent and connectable hydraulics portfolio, from hydraulic components to complete system solutions with controls. A relief valve is placed at the entrance to a separate tube and is set to only open when a certain amount of pressure is applied, which can only be applied if there is too much liquid or gas in the chamber or pipe. These units give smooth, quiet operation and builtin pilot flow filter provides trouble free operation. We are ready to help assemble your energy efficient, flexible, and smart solution for serial. Our full line of standard valves, high response proportional. Hydraulic valve repairs on industrial applications. Product catalogs industrial hydraulics of bosch rexroth at a glance.
Bosch rexroth oil control manufactures a variety of valves which combine a counterbalance function with regenerative circuit. They control the start, stop, and direction of a flow. Hand, foot or mechanically operated, these valves control both pressure and flow of air. The diagram shows a few of the vast range of hydraulic valves available. Elements for the control of energy and other control in fluid power system are generally called valves. Hydraulic relief valve, pilot operated model rv cross. Rexroths industrial hydraulics division located in bethlehem. Mobile hydraulic systems move on wheels or tracks, for example, unlike stationary hydraulic systems which remain firmly fixed in one position. European commission press release details page brussels, december 2000 the european commission today authorised the acquisition by robert bosch gmbh of rexroth, a subsidiary of mannesmann. The 2way cartridge valves for pressure control functions are pilot operated poppet or spool valves. Contract manufacturer, distributor, service company.
Hydraulex is a family of attica hydraulic exchange, flint hydrostatics, hydraulic repair and design and metaris hydraulics. Afp carries a vast line of hydraulic valves, including directional, pressure control and flow control with an excellent line of manufacturers to choose from. Brand hydraulic inline relief valve 25 gpm flow rate. Therefore on each consumer or valve block pressure sensors are placed, which simultaneously signal the load pressures to the. Wh series hydraulic operated directional valves can be used to change the direction of hydraulic oil by moving the main spool when the valve receives a hydraulic signal from the pilot hydraulic oil. Raphael valves is leading the worldwide valves industry. Hydraulic relief valve model rv the cross rv series pilot operated relief valves have been designed to provide a good response with low differential between opening and full flow pressures. Bosch rexroth ag table of contentsindustrial hydraulics 3 page pum ps 7 valves 36 valves 41 valves. Below is a brief history of bosch rexroth, spanning more than 200 years. Hydraulic relief valves protect hydraulic systems from being exposed to high pressures that exceed the mechanisms specified limits. Directional spool valves, direct operated with solenoid actuation. Hydraulic valves can be a costly component to replace with lead times from manufacturers unsatisfactory. It allows 2 different pressure setting adjustments.
Series 665 relief valves are adjustable, inline direct acting relief valves. Rexroth is a key industrial hydraulics provider, delivering high quality hydraulic products e. Multi purpose oils industry combine at least two requirements for a fluid. Valves are found in most industrial processes including. Hydraulic valve is a kind of automation components operation with pressure oil, these valves are usually very heavy duty to stand up to high pressures. Onoff valves 36 valves 41 valves 47 valves 57 valves 61 valves logic elements 64 valves proportional, highresponse and servo valves 66, 86 valves 72 valves 80.1440 285 683 599 1126 1017 866 1518 517 693 23 268 1495 967 726 1024 1073 885 865 708 148 863 1483 987 983 942 1483 737 238 716 1290 651 1107 907 1040 16 432