Oct 27, 2019 china rexroth hydraulic pison pump a4vso series china hydraulic pump, a4vso regarding supply of pressurized oil for rexdoth electrohydraulic control of the combustion process in a large engine, ruggedness and a high level of efficiency are the critical factors. Jul 31, 2019 with the proven swashplate design of the a4vso axial piston pump, rexroth has established itself as market aa4vso for large 2stroke engines. Swash plate design infinitely variable displacement good self priming suction characteristics. Nominal pressure 5100 psi 350 bar peak pressure 5800 psi 400 bar model a4vso71 a4vso125 a4vso180 a4vso250 a4vso355 a4vso500 a4vso750. For rexroth a4vso, we provide displacement size as a4vso 40, a4vso 71, a4vso 125, a4vso 180, a4vso 250, a4vso 355, a4vso 500, a4vso 750, a4vso. Axial piston variable pump aa4vso engineering technology. For operation in continuous compensated mode, please note advise on bearing flushing in ra 92 050. The variant f2 type code position 07 is without external bearing flushing. The variable pump a a4vso is suitable for operation on. Axial piston variable pump aa4vso series 10, 11 and 30 for. Rexroth axial piston variable pump a4vso description robust high pressure pump for industrial applications. Rexroth a4vso125dr30rvzbn00 axial piston variable pump. Axial piston variable pump a4vso for explosive areas part ii. Axial piston variable pump a4vso series 10, 11 and 30 for hfc.
See main brochure a4vso re 92050, a4vsh re 92110 and a4vsg re 92100 for details, unit sizes and technical data of the variable displacement pump. A wide variety of rexroth a4vso hydraulic pump options are available to you, such as local service location, application, and warranty. Bosch rexroth ag, rea 9205020200228 6 a a4vso serie 1x and 30 axial piston variable pump hydraulic fluids hydraulic fluids the a4vso, a4vslo variable pump is designed for operation with hlp mineral oil according to din 51524. For the sizes 250 and 355 with operation on hfcfluids, the a4vso f must be used. Sep 05, 2019 the variable pump a a4vso is suitable for operation on. Rexroth a4vso axial piston variable pump a4vso125dr30rvzbn00. Variable displacement axial piston pump a a4vso in swashplate design is available for open circuit applications. We do not grant any warranty for defects due to assembly, maintenance or repair not effected by the bosch rexroth ag or their repair stations. The flow is proportional to the input drive speed and displacement. Old damaged end covers for a6vm, a7vo and a8vo can be reworked and hardened, back to specs. Application instructions and requirements for hydraulic.
Axial piston variable pump a4vg series 32 high pressure pump for applications in closed circuits size 28 125, such as a4vg 28 nvd32r, a4vg 40 hd3d32r, a4vg 56 hwd32r, a4vg 71 da1d32r, a4vg 90 ez1d32r, a4vg 125 ep4d32r. Axial piston variable pump a4vso series 10, 11 and 30 for. Axial piston variable pump a7vo bosch rexroth parts. Rexroth axial piston variable pump a4vg heash technique b. Variable pump with axial piston rotary group in swash. Closed circuit a stepbystep guide explanation of symbols, see below left basic system with variable pump and variable motor.
Direct mounting at the through drive on a4vso g or a4csg is possible, see the technical data sheet of the relevant pump. A4vso series 10, 11 and 30 re type code for standard program. Also observe the instructions for the other system components. Variable displacement pumps, open circuit, a4vso re 92 050 size 40 variable displacement pumps, closed circuit, a4vsg re 92 100 size 40 variable displacement pumps, semiclosed circuit, a4vsh re 92 110 size 40 250 re 92 06405. Regarding supply of pressurized oil for the electrohydraulic control of the combustion process in a large engine, ruggedness and a high level of efficiency are the critical factors. The case drain piping, or hose, should be sized to accept the full flow of the charge pump at the maximum anticipated drive speed, with minimal pressure. Variable displacement pump a4vso haazen hydrauliek. Rexroth axial piston variable pump a4vso heash technique. Axial piston variable pump a4vso for explosive areas ii. Gunnery school of nuln pdf more than 10, pumps have gone into service sinceensuring uninterrupted reliable operation of large engines with electrohydraulic a4vvso. Jun 19, 2007 service and repair works have to be carried out by the bosch rexroth ag or their repair stations only. Rexroth application engineer prior to finalizing the design. Axial piston variable pump a4vso for explosive areas part. Rexroth axial piston variable pump a4vso heash technique b.
For rexroth axial piston variable pump a4vso, the competitive price is from heash technique b. Application instructions and requirements for hydraulic fluids should be taken from the following data sheets. H024 a4vsg with an attachment pump for the boost circuit. Power controllers lr2, lr3 and lr2n variable displacement.
Features ial piston pump in swash plate design for hydrostatic ax drives in open circuit operation. Variable axial piston pump of swashplate design for. The variable displacement axial piston pump type a4vso in swashplate design is designed. This opens up completely new possibilities for your stateoftheart drive. Visit our website, find out your interested components. Read these hydraulic fluid for operation with rexroth axial piston units and. Further information on the a4vso axial piston variable pump, its installation and operation can be found in the rexroth documents listed in the following table. Rexroth a4vso250 hydraulic pump, buy various high quality rexroth a4vso250 hydraulic. Rexroth a4vso series axial piston variable pump model list. Rexroth axial piston variable pump a4vg description. Flow is proportional to the drive speed and displacement. If not explicitly specified, permissible tightening torques for the bolted connections are to be found in chapter 10 settings. Axial piston variable pump a4vsg series 1x and 3x gcc.
The variable pump a4vso for explosive areas can also be ap. Size 40, such as a4vso 40dr, a4vso 71dp, a4vso 125dfr, a4vso 180lr, a4vso 250ma, a4vso 355em, a4vso 500hm, a4vso 750hs, a4vso hd, a4vslo 750dr. As illustrated by the picture under functional purpose they basically consist of a housing 1, control pistons 2 located inside cylinder barrel, drive shaft 3. This control is used for 2point control systems or as a base unit for controls with proportional valves an additional electric feed.
Sep 24, 2019 rexroth pump a4vso price regarding supply of pressurized oil for the electrohydraulic control of the combustion process in a large engine, ruggedness and a high level of efficiency are the critical factors. An auxiliary pump for replenishment of leakage oil and control of the pump. Nominal pressure 5100 psi 350 bar peak pressure 5800 psi 400 bar model a4vso71 a4vso125 a4vso180 a4vso250 a4vso355 a4vso500 a4vso750 features. If a gear or radial piston pump is to be fitted in the factory, please consult us. Therefore, the pump only delivers as much fluid, as required by the actuators. Axial piston variable pump aa4vso series 10, 11 and 30 for hfc. The v g minstop for the variable displacement pump a a4vso for open circuits is to be adjusted, so that with blocked pressure port b, a minimum pressure of 290 psi. Mar 29, 2020 rexroth hydraulic pison pump a4vso series. The core element of the hydraulics more than 10, pumps have gone into service sinceensuring uninterrupted reliable operation of large engines with.
Axial piston with variable displacement robust pump, high pressure for industrial applications. Axial piston variable displacement pump a4vso is of swashplate. Rexroth a4vso pump with diagram of hydraulic power unit 3. Oct 06, 2019 bosch rexroth a4vso 250dr30rppbnoo piston pumps for the ship to move in reverse, the large 2stroke engine has to change the direction of rotation. Nominal pressure 5100 psi 350 bar peak pressure 5800 psi 400 bar model a4vso71. When operating on hfd or ecologically acceptable fluids, limitations to the technical data and seals according to re 90223 and re 90221 must be observed. With the proven swashplate design of the a4vso axial piston pump, rexroth has established itself as market leader for large 2stroke engines. Hydraulictraining axial piston units basic principles. Blank without charging pump, l with impeller, only for port option 25. The case drain line should be connected to the highest case drain port t1 or t2 so that the pump case always remains full of oil.
Brueninghaus hydromatik rexroth a4vso pump hydraulic pump. The variable pump a7vo is not suitable for operation on hfa fluids. A4vso robust high pressure pump for industrial applications size 355 nominal pressure 350 bar maximum pressure 400 bar open circuit metric. The axial piston unit is designed and built for the generation, the control and the regulation of a hydraulic fluid flow.
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